85 entries | Generated 2026-08-20 08:05 | Source: LNM01332026.pdf
| Category | Item | Description |
|---|---|---|
| Bridges | Beverly Channel – Bass River/General/Bridges/Temp Deviation | Construction of a temporary Hall-Whitaker Bridge is ongoing and anticipated to be complete no later than May 29, 2030. Until construction is complete, the Hall-Whitaker Bridge over the Bass River in Beverly, MA at mile 0.6 will remain in the closed position. Smaller vessels with adequate clearance beneath the existing moveable bridge in the closed position will be able to pass. Mariners are advised to exercise caution when transiting the area. Any concerned traffic can contact the project manager (MAS Building & Bridge) at (508) 918-3133, or Mass DOT Highway Division at (857) 443-6594. |
| Hazards To Navigation | Beverly Channel – Bass River/General/Hazards To Navigation/Shoaling Reported | MA-SALEM AND LYNN HARBORS (CHART 13275)-BASS RIVER Severe shoaling has been reported between Bass River Channel Buoy 2 (LLNR 10325)-Bass River Channel Buoy 9 (LLNR 10355) and there is a severe decrease in the channel’s width. Mariners should proceed with caution while transiting the area. |
| Bridges | Beverly Channel – Danvers River/General/Bridges/Repairs, Painting, Or Fender Replacement | General/Bridges/Repairs, Painting, Or Fender Replacement From: 2026-06-20 To: 2026-10-03 Location: 42-32-35.304N/070-53-53.880W Bridge Name: Kernwood Ave Bridge MASSACHUSETTS– DANVERS RIVER– SALEM AND BEVERLY- KERNWOOD BRIDGE – Bridge Fender System Repairs and Full channel closures MassDOT and SPS New England Inc will be conducting emergency repairs to the fender system at the Kernwood Bridge located at mile 1 of the Danvers River between Salem and Beverly Massachusetts. Work will commence Sunday June 21st, 2026, and continue through Friday October 2nd, 2026. Sunday work hours will be 11:00 p.m. to 5:00 a.m. Monday through Thursday work hours will be 9:00 p.m. to 5:00 a.m. During this maintenance project a full channel closure will be in effect during the timeframes listed above. Vessels will be unable to transit through the bridge during the closure. On scene equipment will consist of a 30×60 tug and barge with associated dive equipment and one safety vessel. Mariners should contact the on-scene Harbormaster boat on VHF Channel 13/16 for guidance. Questions may be addressed to MassDOT Mr. Thomas Gallagher at (978) 886-3724 or SPS New England project manager Ms. Laura Hood at (978) 606-7673. Mariners are advised to plan accordingly and exercise caution. when transiting the area. Chart 13275 |
| Bridges | Block Island Sound And Gardiners Bay – Long Island Sound Eastern Part/General/Bridges/Rehabilitation | General/Bridges/Rehabilitation From: 2025-04-16 To: 2026-12-01 Location: 41.176728° N / 73.176352° W Bridge Name: Stratford Ave Bridge CONNECTICUT – PEQUONNOCK RIVER – Bridge Rehab – From April 21, 2025 through November 30, 2026 contractors will be utilizing a under bridge work platform truck to access the Stratford Avenue Bridge across Pequonnock River at mile 0.1. This truck is required for rehabilitation of the bridge. The work platform will not be in the navigational channel. Questions may be directed to Superintendent Wesley Sousa Santos at (860) 622-8410. Mariners are advised to exercise caution when transiting the area. |
| Marine Construction (Excluding Bridges) | Block Island Sound And Gardiners Bay – Long Island Sound Eastern Part/General/Marine Construction (Excluding Bridges)/Survey Operations | General/Marine Construction (Excluding Bridges)/Survey Operations From: 2026-07-16 To: 2026-08-26 Location: 41-15- 56.520N/072-19-36.372W University of Connecticut Avery Point, Dept of Marine Science will be deploying marine science equipment attached to a small white and blue mooring buoy approximately 2.25nm south of the mount of the Connecticut River in position 41 13 26.76N, 72 19 53.04W, from July 21, 2026, to Aug 25, 2026, 24 hours a day, seven days a week. Equipment on scene will be a 2ft round white and blue mooring ball as surface expression, with a 210ft long mooring, subsurface floats 65ft off the bottom. 3 small collection chambers at 50ft off the bottom. |
| Bridges | Boston North Channel – President Roads/General/Bridges/Repairs, Painting, Or Fender Replacement | General/Bridges/Repairs, Painting, Or Fender Replacement From: 2025-12-11 To: 2026-09-01 Location: 42-22-18.210N/071-07- 58.500W Bridge Name: Eliot Bridge MASSACHUSETTS – BOSTON HARBOR – CHARLES RIVER – BASIN – ELLIOT BRIDGE – Bridge Repairs Mariners are advised that Northern Construction Service, LLC has been contracted by the State to perform repairs to the Elliot Bridge over the Charles River. The ongoing repairs are scheduled to be completed by August of 2026. Periodically each of the three spans will be closed to vessel traffic at no time will more than one arch be closed to vessel traffic. Work hours are 7:00 a.m. to 4:00 p.m. Monday through Friday. On scene equipment will consist of a moveable spud barge and tending vessel. The equipment will be staged in portions of the navigable channel during the repairs and unable to move without advanced notification. Repair work is currently on-going in the Boston Arch, and it is anticipated that the equipment will remain staged in the Boston Arch until the Spring of 2026 at which time it will be repositioned to facilitate final repairs to the bridge substructure. For more information Mariners may contact Mr. Jay Krutiak at (413) 770-1723. On scene support vessels may be contacted via VHF-FM Ch 13/16. Mariners are advised to plan accordingly and use caution when transiting the area. Chart:13272 |
| Bridges | Boston North Channel – President Roads/General/Bridges/Repairs, Painting, Or Fender Replacement | General/Bridges/Repairs, Painting, Or Fender Replacement From: 2026-05-11 To: 2026-12-01 Location: 42-22-06.276N/071-04- 25.680W MASSACHUSETTS – BOSTON INNER HARBOR – LOWER CHARLES RIVER –BROAD CANAL DRAWBRIDGE – Bridge Repairs Mariners are advised that SPS New England Inc will be conducting bridge repairs and structural steel replacement on the Broad Canal Bridge in the Lower Charles River basin. Bridge repair operations will commence on May 11, 2026, and continue through December 1, 2026. Work Hours will be Monday through Friday for 8 hours per day varying between day and night shifts subject to Mass DOT approval. On scene equipment will consist of a push boat and a 20′ x 50′ Barge. The equipment will be staged in the navigable channel during work hours, reducing the horizontal clearance of the channel to 20 feet. Vessels requiring the entire 40-foot navigable channel are asked to provide 24-hour advanced notification to the on-scene contractor. All support vessels and work barges will be staged outside the navigable channel during non-working hours. For more information, mariners may contact SPS New England Marine Manager Mr. Greg Bashaw at (978) 360-0262 or the project manager Mr. Andrew Chamberland at (508) 328-8828. On-scene support vessel will be monitoring VHF-FM Ch 13. Mariners are advised to use caution and transit at slow speed to minimize wake when transiting the area. |
| Hazards To Navigation | Boston North Channel – President Roads/General/Hazards To Navigation/Hazards | General/Hazards To Navigation/Hazards From: 2026-08-10 To: 2026-08-31 Location: 42-19-52.644N/070-57-41.184W Woods Hole Group plans to deploy a short-term surface buoy in Boston Harbor, Massachusetts, approximately 0.2 miles northwest of Long Island, from August 10 through August 31, 2026. The buoy will support continuous, 24-hour water quality monitoring for Massport. The deployment location is 42°19’52.65″N, 70°57’41.19″W, in approximately 25 feet mean lower low water. Equipment will include a yellow foam-hull lighted floating buoy with a water quality instrument mounted in a fixed cage 3 feet below the water surface, secured with 60 feet of mooring scope and two 125-pound pyramid anchors. Mariners are advised to avoid contact with the buoy, but no vessel movement or special passing arrangements are expected to be necessary. The point of contact is Katie Lavallee, Woods Hole Group, at 508-495-6224 or [email protected] |
| Marine Construction (Excluding Bridges) | Boston North Channel – President Roads/General/Marine Construction (Excluding Bridges)/Boring and Core Samples | General/Marine Construction (Excluding Bridges)/Boring and Core Samples From: 2026-08-10 To: 2026-09-30 Location: 42-22- 09.516N/071-03-55.008W 42-22-07.284N/071-03-52.452W 42-22-06.564N/071-03-53.820W 42-22-09.480N/071-03-57.348W 42-22- 09.516N/071-03-55.008W MASSACHUSETTS – BOSTON INNER HARBOR – CHARLES RIVER – Boring Operations Mariners are advised that Skanska Civil Northeast/Koch JV (Skanska) will be conducting boring operations in the vicinity of the MBTA Draw One Bridge over the Charles River. Operations will commence on August 10, 2026, and continue through September 25, 2026. Work will be conducted between 7:00 a.m. and 4:00 p.m. daily for the duration of the project. On-scene equipment will consist of a 22′ x 40′ steel pontoon barge and one assist vessel. All boring operations will occur outside the navigational channel. For additional information, mariners may contact Skanska representative Mr. Edward Breed at (617) 981-0215. The on-scene support vessel will monitor VHF-FM Channels 13 and 16. Mariners are advised to exercise caution and proceed at a slow speed to minimize wake while transiting the area. |
| Marine Events | Boston North Channel – Regatta | MA – WINTHROP – PRESIDENT ROADS – JFK REGATTA – REGATTA – The Cottage Park Yacht Club is hosting the JFK Regatta on August 23, 2026, from 11:00 AM to 4:00 PM in and around the area of President Roads, 1 mile west of Deer Island, Boston Harbor. The event will consist of approximately 15 sailing vessels all ranging from 20’ to 40’ in length. The person responsible for on-scene safety can be reached at 617-306-8287. For more information, please contact Suzanne Hardy at 617-306-8287. Chart 13270 |
| General | Boston North Channel – Rowing Event | Boston North Channel – President Roads/General/Marine Events/Regatta (Race) | Marine Events | MA – BOSTON – CHARLES RIVER – MASS AVE BRIDGE TO NORTHEASTERN BOATHOUSE – HEAD OF THE CHARLES – ROWING RACE – The Cambridge Boat Club is hosting the Head of the Charles Rowing Race from October 16th. 2026 to October 18th, 2026, from 7:30 AM to 4:30 PM on the Charles River from the Mass Ave Bridge to the Northeastern University Boathouse.. The event will consist of over 500 rowing craft varying in length. The person responsible for on scene safety can be reached at 617-799-6980. For more information, please contact Steven Hines at 617-799-6980. Chart 13267 |
| Marine Events | Boston South Channel – Swim | MA – BOSTON – BOSTON HARBOR ISLANDS – BOSTON LIGHT DOUBLE SOLO SWIM – SWIM The Mass. Open Water Swimming Association is hosting a Boston Light Double Solo Swim on Wednesday August 19, 2026, from 6:00 AM to 6:00 PM. Weather date 20AUG26. The event will consist of a solo swimmer leaving from M Street beach in South Boston swimming out to Boston Light, and returning to M St Beach. A Safety vessel will be on scene and escorting the swimmer. The vessel responsible for on scene safety will be monitoring VHF Ch. 16 and 72 or 617-259-0172. For more information, please contact Elaine Howley at 508-736-6268. Chart 13267 |
| General | Boston South Channel – Swim | Boston South Channel – Boston North Channel/General/Marine Events/Swim | Marine Events | MA – BOSTON – BOSTON HARBOR ISLANDS – BOSTON LIGHT DOUBLE SOLO SWIM – SWIM The Mass. Open Water Swimming Association is hosting a Boston Light Double Solo Swim on September 16, 2026, from 6:00 AM to 4:00 PM. Weather dates are September 17 and 18, 2026. The event will consist of a solo swimmer leaving from M Street beach in South Boston swimming out to Boston Light, and returning to M St Beach. A Safety vessel will be on scene and escorting the swimmer. The vessel responsible for on scene safety will be monitoring VHF Ch. 16 and 72 or 617-259-0172. For more information, please contact Elaine Howley at 508-736-6268. Mariners are requested to keep a sharp lookout and avoid the swimmer and their support craft. |
| ATON Changes | Buzzards Bay Main Channel – Mattapoisett Harbor/ATON/ATON Changes | ATON/ATON Changes From: 2026-08-18 To: 2026-10-17 Location: 41-38-20.508N/070-45-46.008W Aid Name: Angelica Point Light 2 LLNR: 17070 Action: CHANGE Action Type Change Light System Primary from 24 Meters to 7 Meters. |
| Hazards To Navigation | Buzzards Bay Main Channel – Westport Harbor/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-08-30 To: 2039-12-31 Location: Westport Channel has experienced significant shoaling, with considerable narrowing of the federal channel. Aids to navigation have been relocated outside the federal channel, to mark best water. Mariners are advised that shoaling has been identified and is unpredictable outside the federal channel, affecting both commercial and recreational vessels. Mariners without local knowledge are advised to transit with extreme caution and only during plus tides. Mariners are urged to use caution while transiting the area. |
| Hazards To Navigation | Buzzards Bay Main Channel – Westport Harbor/General/Hazards To Navigation/Shoaling Reported | MA-MARTHA’S VINEYARD TO BLOCK ISLAND (Chart 13218)-WESTPORT HARBOR Shoaling exists in Westport Harbor in the vicinity of Westport Harbor Channel LB 14 (LLNR 17490) and Westport Harbor Channel Buoy 17 (LLNR 17505). There are other areas of shoaling throughout the Westport Harbor Channel reducing the available depth of water. Mariners are advised to use caution while navigating this area |
| Bridges | Buzzards Bay Main Channel – Weweantic River/General/Bridges/Construction | Massachusetts Department of Transportation (MassDOT) will conduct bridge demolition and replacement operations on the Route 6 Bridges over the Weweantic River in Marion and Wareham, MA. Beginning May 1, 2026 through September 10, 2028, multiple work boats, barges, cranes, and support equipment will be operating in the vicinity of the bridges. Construction activities may occur within multiple spans and channels; however, a navigable channel will remain open at all times. Construction equipment, including barges, cofferdams, and work platforms, will be present within and adjacent to the navigable channel. Short-term channel restrictions may occur during active construction operations, including pile driving, sheeting, and erection activities, and will be limited to periods when such operations are in progress. Mariners are advised to exercise caution and reduce wake when transiting the area. Mariners with questions or concerns may contact the contractor via VHF-FM Channels 13/16 or call Don Smith (413) 262-3687 or Jay Krutiak (413) 770-1723. |
| Marine Construction (Excluding Bridges) | Buzzards Bay Main Channel – Weweantic River/General/Marine Construction (Excluding Bridges)/Dredging | General/Marine Construction (Excluding Bridges)/Dredging From: 2026-06-17 To: 2026-10-01 Location: 41-44-57.768N/070-42- 18.216W AGM Marine Contractors, will be conducting dredging operations in the Wareham River, Wareham, Massachusetts, in position 41-44-57.75N, 070-42-18.21W. The project is scheduled to run from July 1, 2026, through September 31, 2026, and will operate continuously, seven days a week, 24 hours per day. The equipment involved includes the Dredge Triton, crane, scow, and tugs. To ensure safe navigation, vessels in the area can contact the operation on radio frequency 66 and are advised to provide a 15-minute notice for passing arrangements, with the dredging vessel remaining out of the channel when necessary. |
| Discrepancy | Cape Ann Light | Aid status: sound signal inoperative (SS INOP); Light List number: 295; Aid type: Federal aid (FD) |
| Discrepancy | Cohasset Gangway Lighted Bell Buoy 1G | Aid status: off station (OFF STATION); Light List number: 12220; Aid type: Federal aid (FD) |
| Marine Events | Cohasset Harbor – Rowing Event | MA – COHASSET – SANDY BEACH TO MINOT’S LIGHT – MINOT LIGHT ROUNDABOUT – ROW – The Cohasset Maritime Institute is hosting the Minot Light Roundabout on September 12, 2026, from 8:00 AM to 2:00 PM (Rain date of September 13, 2026). The event will consist of a 4.5 mile row from Sandy Beach, Cohasset out and around Minot’s Light and returning. The event will have approximately 30 rowing craft from 15’ to 36’ in length. The person responsible for on scene safety can be reached on at 413-695-7369. For more information, please contact Laurie Kelly at 781-490-2621. Chart 13269 |
| Discrepancy | Cohasset Western Channel Daybeacon 5 | Aid status: missing (MISSING); Light List number: 12170; Aid type: Federal aid (FD) |
| Discrepancy | Essex Bay Entrance Lighted Bell Buoy 1 | Aid status: rbn improper characteristic / buoy damaged (RBN IMCH/BUOY DMGD); Light List number: 9480; Aid type: Federal aid (FD) |
| Hazards To Navigation | Gardiners Bay South Entrance – Shelter Island Sound South Channel/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-05-28 To: 2027-05-01 Location: 40-53-31.488N/072-17-10.608W Sound and the Sea, LLC will conduct scientific research focused on marine mammal detection and monitoring in the Atlantic Ocean south of Long Island, New York, off Mecox Bay. Four bottom-mounted passive acoustic monitoring devices will be deployed at specified coordinates: Sensor 1 (40°53’31.499″ N, 72°17’10.612″ W), Sensor 2 (40°52’33.985″ N, 72°18’8.856″ W), Sensor 3 (40°52’34.698″ N, 72°19’44.666″ W), and Sensor 4 (40°51’37.181″ N, 72°20’42.911″ W). Each device will be moored to the seafloor with a footprint of approximately one square foot and a line floating up to eight feet above the seafloor, at depths between 50 and 60 feet. The monitoring will be continuous, operating 24/7 from June 7, 2026, to May 1, 2027. |
| Hazards To Navigation | Georges Bank And Nantucket Shoals – Chatham Harbor Approach/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-08-30 To: 2039-12-31 Location: Shoaling has been reported in Old Harbor between buoys 6 and 8. Mariners are advised to use extreme caution while transiting the area. |
| Hazards To Navigation | Georges Bank And Nantucket Shoals – New Inlet/General/Hazards To Navigation/Shoaling Reported | MA-MARSHFIELD-NEW INLET Shoaling has been reported from the North River junction buoy towards the #2 buoy South River. This area is reported as approx. 3.0 feet during the low tide. Mariners should use caution while transiting the area, especially during astronomical low tides. |
| Marine Events | Gloucester Harbor – Rowing Event | MA – GLOUCESTER – GLOUCESTER INNER HARBOR – GLOUCESTER INTERNATIONAL DORY RACES – ROWING RACE – The Gloucester International Dory Racing is hosting the Gloucester International Dory races on September 5, 2026, from 9:00 AM to 12:00 PM in Gloucester Inner Harbor North Channel. The event will consist of 2 rowing dories 20’ in length. Boat traffic will be paused during the race segments in the north channel. Normal boat traffic will be allowed during the non-race segments. The person responsible for on scene safety can be reached at 978-317-7489. For more information, please contact Rachael Cecilio at 978-317-7489. |
| Discrepancy | Hingham Harbor Approach Buoy 7 | Aid status: sinking (SINKING); Light List number: 11995; Aid type: Federal aid (FD) |
| Bridges | Hog Island Channel – Cape Cod Canal Eastern Entrance/General/Bridges/Maintenance | Atlas Painting and Sheeting Corp. will be conducting bridge sandblasting and painting operations on the Buzzards Bay Railroad Bridge over the Cape Cod Canal beginning 9 March 2026 through 31 December 2026. Scaffolding will reduce the vertical clearance from 135 feet to 130 feet MHW. Questions concerning the project should be directed to the Duty Marine Traffic Controller, US Army Corps of Engineers, Cape Cod Canal Field Office at 978-318-8500 or VHF Channel 14. Mariners should exercise caution while transiting the area. |
| Marine Construction (Excluding Bridges) | Hog Island Channel – Cape Cod Canal Eastern Entrance/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes | General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes From: 2026-03-09 To: 2027-02-17 Location: 41-44-30.948N/070-36-48.816W Atlas Painting and Sheeting Corp. will be conducting bridge sandblasting and painting operations on the Buzzards Bay Railroad Bridge over the Cape Cod Canal beginning 9 March 2026 through 31 December 2026. Scaffolding will reduce the vertical clearance from 135 feet to 130 feet MHW. Questions concerning the project should be directed to the Duty Marine Traffic Controller, US Army Corps of Engineers, Cape Cod Canal Field Office at 978-318-8500 or VHF Channel 14. Mariners should exercise caution while transiting the area. |
| Bridges | Long Island Sound Eastern Part – Bridgeport Harbor/General/Bridges/Closure (Scheduled Or Emergency) | General/Bridges/Closure (Scheduled Or Emergency) From: 2026-07-30 To: 2026-09-29 Location: 41-10-45.370N/073-11-08.860W Bridge Name: Stratford Ave Bridge CONNECTICUT – PEQUONNOCK RIVER – Temporary Deviation – The Coast Guard has issued a temporary deviation from the regulation governing the operation of the Stratford Avenue Bridge across Pequonnock River at mile 0.1. Under this temporary deviation the Stratford Ave (Route 130) Bridge may remain closed to mariners beginning August 10, 2026 through October 5, 2026. Questions may be directed to Brian Brinsmade at (203) 389-3173. Mariners are advised to exercise caution when transiting the area. |
| Marine Events | Long Island Sound Eastern Part – Fireworks | General/Marine Events/Fireworks From: 2026-07-02 To: 2026-09-10 Mariners are advised that a repeating fireworks display is scheduled to be held every Saturday night from July 04, 2026, through September 06, 2026, from 09:00 p.m. until 10:00 p.m., on Long Island Sound. In the event of foul weather, the fireworks display will shift to Sunday night. The fireworks launch site will be in approximate position 40° 57’ 60” N, 73° 40’ 06” W (NAD 83) in the vicinity of Rye Playland. Mariners are advised to keep a minimum safe distance of 600-feet from the shoreline to avoid pyrotechnic fallout. Location: 40-58-07.248N/073-39-59.976W 40-57-50.688N/073-39-49.932W 40- 57-48.348N/073-40-11.424W 40-58-04.908N/073-40-14.808W 40-58-07.248N/073-39-59.976W |
| Bridges | Long Island Sound Eastern Part – Housatonic River/General/Bridges/Repairs, Painting, Or Fender Replacement | General/Bridges/Repairs, Painting, Or Fender Replacement From: 2026-07-01 To: 2027-12-31 Location: 41-12-19.044N/073-06- 34.776W Bridge Name: Devon Railroad Bridge CONNECTICUT – HOUSATONIC RIVER – Bridge Repairs – Beginning July 20, 2026, Connecticut Department of Transportation will be performing interim repairs on the Devon Bridge across Housatonic River at mile 3.9. Contractor will be utilizing a barge in the navigational channel that will reduce the horizontal clearance to 41’-6” as well as installing a platform under the bridge outside of the navigational channel that will reduce the vertical clearance. Work is expected to be completed in December 2027. Mariners with any questions can contact the contractor via marine radio VHF-FM Ch 13/16 or call CTDOT Environmental Coordinator Brian Brinsmade at (203) 389-3173. Mariners are advised to exercise caution and reduce wake when transiting the area. |
| Hazards To Navigation | Long Island Sound Eastern Part – Long Island Sound Western Part/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-07-06 To: 2026-10-30 Location: 40-53-02.220N/073-43-50.340W The University of Connecticut Marine Sciences will conduct scientific research in New York Long Island Sound from July 2 to October 30, 2026. The project involves the deployment of four autonomous respiration chambers at four specific stations: Station 1 at 40°53’02.219″ N, 73°43’50.339″ W; Station 2 at 40°53’04.020″ N, 73°43’45.959″ W; Station 3 at 40°57’23.999″ N, 73°34’59.400″ W; and Station 4 at 40°57’24.420″ N, 73°34’57.960″ W. Each station is marked by surface buoys and a PVC marker with a yellow flag and radar-reflective tape, and the chambers are anchored to the seafloor. Stations 1 and 2 are approximately 900 feet northwest of the EXRX research buoy PATON 21436.000, while Stations 3 and 4 are about 230 feet west of the WLIS research buoy PATON 21336.000. |
| Hazards To Navigation | Long Island Sound Eastern Part – Long Island Sound Western Part/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-07-06 To: 2026-10-30 Location: 40-53-04.020N/073-43-45.948W The University of Connecticut Marine Sciences will conduct scientific research in New York Long Island Sound from July 2 to October 30, 2026. The project involves the deployment of four autonomous respiration chambers at four specific stations: Station 1 at 40°53’02.219″ N, 73°43’50.339″ W; Station 2 at 40°53’04.020″ N, 73°43’45.959″ W; Station 3 at 40°57’23.999″ N, 73°34’59.400″ W; and Station 4 at 40°57’24.420″ N, 73°34’57.960″ W. Each station is marked by surface buoys and a PVC marker with a yellow flag and radar-reflective tape, and the chambers are anchored to the seafloor. Stations 1 and 2 are approximately 900 feet northwest of the EXRX research buoy PATON 21436.000, while Stations 3 and 4 are about 230 feet west of the WLIS research buoy PATON 21336.000. |
| Hazards To Navigation | Long Island Sound Eastern Part – Long Island Sound Western Part/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-07-06 To: 2026-10-30 Location: 40-57-24.012N/073-34-59.412W The University of Connecticut Marine Sciences will conduct scientific research in New York Long Island Sound from July 2 to October 30, 2026. The project involves the deployment of four autonomous respiration chambers at four specific stations: Station 1 at 40°53’02.219″ N, 73°43’50.339″ W; Station 2 at 40°53’04.020″ N, 73°43’45.959″ W; Station 3 at 40°57’23.999″ N, 73°34’59.400″ W; and Station 4 at 40°57’24.420″ N, 73°34’57.960″ W. Each station is marked by surface buoys and a PVC marker with a yellow flag and radar-reflective tape, and the chambers are anchored to the seafloor. Stations 1 and 2 are approximately 900 feet northwest of the EXRX research buoy PATON 21436.000, while Stations 3 and 4 are about 230 feet west of the WLIS research buoy PATON 21336.000. |
| Hazards To Navigation | Long Island Sound Eastern Part – Long Island Sound Western Part/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-07-06 To: 2026-10-30 Location: 40-57-24.408N/073-34-57.972W The University of Connecticut Marine Sciences will conduct scientific research in New York Long Island Sound from July 2 to October 30, 2026. The project involves the deployment of four autonomous respiration chambers at four specific stations: Station 1 at 40°53’02.219″ N, 73°43’50.339″ W; Station 2 at 40°53’04.020″ N, 73°43’45.959″ W; Station 3 at 40°57’23.999″ N, 73°34’59.400″ W; and Station 4 at 40°57’24.420″ N, 73°34’57.960″ W. Each station is marked by surface buoys and a PVC marker with a yellow flag and radar-reflective tape, and the chambers are anchored to the seafloor. Stations 1 and 2 are approximately 900 feet northwest of the EXRX research buoy PATON 21436.000, while Stations 3 and 4 are about 230 feet west of the WLIS research buoy PATON 21336.000. |
| Marine Construction (Excluding Bridges) | Long Island Sound Eastern Part – New London Harbor/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes | General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes From: 2026-08- 10 To: 2026-09-01 Location: 41-20-51.000N/072-05-02.976W Construction operations on a floating work platform will take place from August 10, 2026 through September 1, 2026 from 7 a.m. to 2:30 p.m. each day in the Thames River at the approximate location 41° 20′ 51N, 072° 05′ 03W in New London, CT. Mariners are requested to maintain steerage and transit the area at a no wake, minimum safe speed. Mariners may contact personnel on the work platform on VHF Channel 8 for further information. |
| LAA/RNA | Long Island Sound Western Part – Larchmont Harbor East Entrance/General/LAA/RNA/Safety Zone – Fireworks | General/Marine Events/Fireworks From: 2026-06-26 To: 2026-07-04 Location: LARCHMONT, NY – LARCHMONT HARBOR – LONG ISLAND SOUND – FIREWORKS SAFETY ZONE Details: Mariners are advised that a safety zone will be enforced for a barge-based fireworks display, scheduled to be held on Larchmont Harbor, July 3, 2026, from 9:00 p.m. until 10:30 p.m. The fireworks barge will be in approximate position 40°55’25.47″N 73°44’32.23″W (WGS84) and the Safety Zone encompasses all waters within a 400- foot radius from the barge. Vessels may not enter, remain in, or transit through the Safety Zone during the enforcement period unless authorized by the Coast Guard Captain of the Port. Other Federal, State and local agencies may assist these personnel in the enforcement of the Safety Zone. |
| General | Long Island Sound Western Part – Little Bay/General/Bridges/Maintenance | Long Island Sound Western Part – Little Bay/General/Bridges/Maintenance | Bridges | General/Bridges/Maintenance From: 2026-04-17 To: 2026-11-01 Location: 40-47-57.520N/073-47-36.920W Bridge Name: Throgs Neck Bridge NEW YORK – EAST RIVER – Barge Placement –Beginning April 21, 2026 through October 31, 2026, contractors will be performing bridge painting at the Throgs Neck Bridge across East River at mile point 15.8. To perform this work contractors will be utilizing a barge 110’x 32’. At no time will the bridge be in the navigational channel. Mariners with any questions can contact Project Manager Steven V. D’Orazio at (646) 235-7518 or via marine radio VHF-FM CH 13/16. Mariners are advised to exercise caution when transiting the area. | Lat: 40° 47′ 58″ Lon: -073° 47′ 37″ |
| Hazards To Navigation | Long Island Sound Western Part – Milton Harbor/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-09-13 To: 2039-12-22 Location: 40.95282° N / 73.69544° W 40.95061° N / 73.69569° W 40.94138° N / 73.69947° W 40.94138° N / 73.69994° W 40.95266° N / 73.69569° W 40.95282° N / 73.69544° W NY-LONG ISLAND SOUND –MILTON HARBOR Severe Shoaling has been reported in Milton Harbor. Mariners are advised to proceed with caution while transiting the area. |
| Bridges | Long Island Sound Western Part – Saugatuck River/General/Bridges/Maintenance | General/Bridges/Maintenance From: 2026-07-02 To: 2026-08-31 Location: 41-07-10.092N/073-22-05.520W Bridge Name: Saugatuck River Railroad Bridge CONNECTICUT – SAUGATUCK RIVER – Bridge Maintenance – From August 1, 2026 to August 31, 2026, Metro-North Railroad will be performing bridge maintenance and repairs at the Saga Bridge across the Saugatuck River, mile 1.1, at Westport, CT.. During this time work platforms will be installed decreasing the horizontal clearance by 10’. Mariners with any questions or concerns may contact Colton Gray at (929) 260-8065 |
| General | Main Channel – Boat Parade | Main Channel – East River Main Channel/General/Marine Events/Boat Parade | Marine Events | General/Marine Events/Boat Parade From: 2026-08-22 To: 2026-08-23 Location: NY – LONG ISLAND SOUND, EAST RIVER, UPPER BAY, HUDSON RIVER, HARLEM RIVER – Boat Parade Details: Mariners are advised that boat parade is scheduled to occur from 12:00 a.m. to 4:00 p.m. on August 22, 2026. In the event of inclement weather, the boat parade will be held at the same times on August 23, 2026. A formation of approximately 35 vessels will start in Glen Cove, NY, in the Long Island Sound, then proceed through the East River, Upper Bay, Hudson River, Harlem River, then back along the East River and Long Island Sound to the point of origin. Interested mariners may contact the Event Coordinator via telephone at 203-918- 4661. |
| Bridges | Mystic River/General/Bridges | Mystic River/General/Bridges From: 2026-08-19 To: 2027-02-15 Location: 41.354728, -71.96871 Bridge Name: Rt 1 Bridge Due to mechanical issues the U.S. 1 Bridge, mile 2.8 across Mystic River, Mystic, CT, CTDOT is authorized closure of the drawbridge for emergency repair. Mariners that can transit without requesting an opening are advice to transit with caution. |
| Hazards To Navigation | Nahant Harbor – Lynn Harbor/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-08-30 To: 2039-12-31 |
| Hazards To Navigation | Nahant Harbor – Saugus River Approach Channel/General/Hazards To Navigation/Shoaling Reported | MA-SALEM AND LYNN HARBORS (Chart 13275)-SAUGUS RIVER APPROACH CHANNEL Severe shoaling has been reported in the Saugus River in the vicinity of Saugus River Approach Channel Lighted Buoy 5 (LLNR 10655). Mariners should proceed with caution while transiting the area. |
| Marine Construction (Excluding Bridges) | Nahant Harbor – Saugus River Approach Channel/General/Marine Construction (Excluding Bridges)/Boring and Core Samples | General/Marine Construction (Excluding Bridges)/Boring and Core Samples From: 2026-08-24 To: 2026-10-24 Location: 42-26- 43.764N/070-57-57.240W 42-26-43.368N/070-57-54.504W 42-26-32.568N/070-57-58.716W 42-26-32.964N/070-58-00.732W 42-26- 43.764N/070-57-57.240W MASSACHUSETTS – LYNN/REVERE – SAUGUS RIVER – GENERAL EDWARDS BRIDGE – Boring Operations Mariners are advised that New England Boring Contractors will be conducting boring operations in the vicinity of the General Edwards Bridge Rt 1A Lynn/Revere. Operations will commence on Monday August 24, 2026, and continue through Friday October 23, 2026. Hours of operations are 7:00 a.m. to 3:00 p.m. for the duration of the operations. On scene equipment will consist of the 18’x35’ jack- up barge Seismic Princess #7. All proposed boring locations are located outside of the navigable channel. For more information mariners may contact New England Boring Representative at (603) 828-6115 or (774) 259-2978. On scene vessel will be monitoring VHF-FM Ch 13/16. Mariners are advised to use caution and transit at slow speed to minimize wake when transiting the area. |
| Discrepancy | Nantasket Roads DRC Lighted Hazard Buoy A | Aid status: missing (MISSING); Light List number: 11411; Aid type: Private aid (PA) |
| General | NAVAREA IV/General/Marine Construction (Excluding Bridges)/Boring and Core Samples | NAVAREA IV/General/Marine Construction (Excluding Bridges)/Boring and Core Samples | Marine Construction (Excluding Bridges) | General/Marine Construction (Excluding Bridges)/Boring and Core Samples From: 2026-08-10 To: 2026-09-30 Location: 42-22- 09.408N/071-03-54.864W 42-22-07.968N/071-03-53.676W 42-22-07.392N/071-03-55.260W 42-22-09.120N/071-03-57.204W 42-22- 09.408N/071-03-54.864W MASSACHUSETTS – BOSTON INNER HARBOR – CHARLES RIVER – Boring Operations Mariners are advised that Skanska Civil Northeast/Koch JV (Skanska) will be conducting boring operations in the vicinity of the MBTA Draw One Bridge over the Charles River. Operations will commence on August 10, 2026, and continue through September 25, 2026. Work will be conducted between 7:00 a.m. and 4:00 p.m. daily for the duration of the project. On-scene equipment will consist of a 22′ x 40′ steel pontoon barge and one assist vessel. All boring operations will occur outside the navigational channel. For additional information, mariners may contact Skanska representative Mr. Edward Breed at (617) 981-0215. The on-scene support vessel will monitor VHF-FM Channels 13 and 16. Mariners are advised to exercise caution and proceed at a slow speed to minimize wake while transiting the area. |
| LAA/RNA | New Rochelle Harbor North Approach – Middle Channel/General/LAA/RNA/Temporary Regulated Navigation Zone | New Rochelle, NY – Long Island Sound – Safety Zone – Bridge Construction Mariners are advised that a safety zone will be enforced for construction work on the Glen Island Approach Bridge. The safety zone will be enforced from 7 a.m. until 5 p.m. each day starting on midnight December 2, 2024, through May 27, 2027. The safety zone will only be enforced during periods when construction operations at the Glen Island Bridge rehabilitation project are in progress. The Safety Zone encompasses all waters within a line beginning at 40° 53′ 18.58″N 73° 46′ 56.26″W; thence to 40° 53′ 22.08″N 73° 46′ 59.39″W; thence north along the shore to 40° 53′ 23.8″N 73°46′ 57.51″W; thence to 40° 53′ 19.15″N 73° 46′ 52.54″W and thence south along the shore back to the point of origin (WGS 84). You may not enter, remain in, or transit through the Safety Zone during the enforcement period unless authorized by the Coast Guard Captain of the Port. Other Federal, State and local agencies may assist these personnel in the enforcement of the Safety Zone. Mariners are urged to exercise caution while in the area. The anticipated dates for the windows of full channel closures: Date December 2, 2024, through December 20, 2024 February 3, 2025, through May 22, 2025 October 2, 2025 through 12 p.m. on May 22, 2026; from 7 a.m. on May 26, 2026, through 5 p.m. on May 29, 2026; and from 7 a.m. on June 22, 2026, through 5 p.m. on June 26, 2026. |
| Marine Events | Oak Bluffs Harbor – Fireworks | MA – VINEYARD SOUND – OAK BLUFFS END OF SUMMER FIREWORKS DISPLAY – FIREWORKS Mariners are advised that the Oak Bluffs End of Summer Fireworks Display is scheduled to be held from a barge in the vicinity of Ocean Park, Oak Bluffs, MA. The event will take place on Friday August 21, 2026 from 9:00 p.m. to 11:00 p.m. Mariners are required to maintain a minimum distance of 350 yards from the fireworks launching platform. Mariners may contact the person in charge by phone at (978) 375-9780. (Rain Date: August 23) |
| Bridges | Plum Island Sound – Merrimack River/General/Bridges/Repairs, Painting, Or Fender Replacement | General/Bridges/Repairs, Painting, Or Fender Replacement From: 2026-08-17 To: 2026-09-05 Location: 42-46-26.040N/071-04- 34.716W Bridge Name: Basiliere Bridge MASSACHUSETTS– HAVERHILL-MERRIMACK RIVER–BASILIERE BRIDGE– Temporary Gas Main Installation Mariners are advised that the Middlesex Corporation will be installing a temporary gas main beneath the west side of the bridge deck. In water work will commence Monday August 17, 2026, and continue through Friday September 4, 2026. Installation of the gas main will be conducted from a 40×40 barge with a man lift, an assist tug, and multiple work skiffs. All work will be conducted outside of the navigational channel. Barges and tending vessels will be secured outside of the navigational channel outside of work hours and lit on all four corners of the barge. Questions may be directed to Mr. Henry Mulvey (978) 429-1388 or Mr. Kyle Busgnell (978) 870-0423. On scene vessels can be reached via channel 13/16 VHF-FM. Mariners are urged to transit with caution. |
| Hazards To Navigation | Plum Island Sound – Merrimack River/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2025-09-03 To: 2026-09-03 THERE HAVE BEEN MULTIPLE REPORTS OF VESSELS GROUNDING IVO MERRIMACK RIVER LIGHTED BOUY 7 DUE TO SHIFTING SHOALING. MARINERS ARE ADVISED TO USE EXTREME CAUTION WHEN TRANSITING THIS AREA, PAYING PARTICULAR ATTENTION TO WATER DEPTH IN RELEATION TO VESSEL DRAFT. |
| Discrepancy | Plum Island Sound Entrance Buoy 8A | Aid status: sinking (SINKING); Light List number: 9328; Aid type: Federal aid (FD) |
| Hazards To Navigation | Plymouth Bay – The Nummet Channel/General/Hazards To Navigation/Shoaling Reported | MA-NUMMET CHANNEL (REVISED) The Coast Guard has received a report of shoaling in the vicinity of The Nummet Channel Buoy 7 (LLNR 12760). Mariners are advised to proceed with caution when transiting the area. |
| Discrepancy | Plymouth Harbor Channel Buoy 15 | Aid status: sinking / trub (SINKING/TRUB); Light List number: 12945; Aid type: Federal aid (FD) |
| Discrepancy | Pollock Rip Channel Buoy 5 | Aid status: missing (MISSING); Light List number: 13540; Aid type: Federal aid (FD) |
| Discrepancy | Pollock Rip Channel Lighted Buoy 8 | Aid status: missing (MISSING); Light List number: 13550; Aid type: Federal aid (FD) |
| Hazards To Navigation | Portsmouth To Cape Ann – Annisquam River/General/Hazards To Navigation/Shoaling Reported | Severe shoaling has been reported in the Annisquam River. Annisquam River channel buoy 24 (LLNR 9690) has been relocated due to recent shoaling in the area to mark best water. Mariners should proceed with caution while transiting the area |
| Hazards To Navigation | Portsmouth To Cape Ann – Plum Island Sound/General/Hazards To Navigation/Shoaling Reported | Shoaling exists in Plum Island Sound between Plum Island Sound Entrance buoy 4 (LLNR 9310) and Plum Island Sound Entrance buoy 6 (LLNR 9320), aids are not properly marking best water. Mariners are advised to use caution while navigating this area. All of Plum Island is particularly susceptible to shoaling, the area between 4 and 6 being the worst at the mouth of the channel. Last year the unit partnered with the harbor Master moving the aids to mark the best water. Even though the aids are in the best possible locations that water is still shallow at low tide and mariners should use caution while navigating in this area |
| Hazards To Navigation | Portsmouth To Cape Ann – Plum Island Sound/General/Hazards To Navigation/Shoaling Reported | Newburyport Harbor and Plum Island Sound – Plum Island Sound Entrance has experienced an increase in shoaling between Plum Island Sound Entrance Buoy 6 and 8. The shoaling was observed in approx. position 42-41.365N /070-45.169W and extends 100 yards west following the channel. Mariners are advised that at MLLW depths of 3′ could be seen. Mariners without local knowledge are advised to transit with extreme caution and monitor tidal stations prior to transiting. |
| Bridges | President Roads – Mystic River/General/Bridges/Rehabilitation | From May 1, 2026, to September 30, 2026, the Interstate-93 Bridge across the Mystic River, mile 4.3, in Medford MA will be undergoing substructure repairs. Repairs will be conducted Monday through Friday 6:00 a.m. to 2:00 p.m., with possible night shifts from 9:00 p.m. to 5:00 a.m. A temporary work platform will be suspended from the bridge adjacent to each bridge pier with a work barge underneath in the waterway. These work platforms will reduce the horizontal clearance of the bridge to 57 feet. Mariners requiring additional information may contact contractors on-scene via VHF-FM channel 13/16 or call (603) 365-9857. Mariners are advised to exercise caution when transiting this area. |
| Marine Events | Salem Channel – Beverly Channel/General/Marine Events/Other | MA – BEVERLY HARBOR – INDEPENDENCE PARK – BEVERLY 400th BATTLE REENACTMENT The Beverly 400 is hosting the Beverly 400 – Battle of the Hannah and Nautilus Reenactment on October 10th, 2026, from 9:00 AM to 11:00 AM in Beverly Harbor off Independence Park. The event will consist of two sailing vessels approximately 38.5’ and 50’ in length. The person responsible for on scene safety can be reached at 347-424-3173. For more information, please contact Scott White at 347-424-3173. Chart 13276 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Boat Parade | MA – ANNISQUAM RIVER / GLOUCESTER HARBOR – BOAT PARADE OF LIGHTS – BOAT PARADE Cape Ann Marina is hosting the Boat Parade of Lights on September 7, 2026, from 7:00 PM to 9:30 PM running from the Annisquam River, through the Blynman Bridge Canal and ending in Gloucester Inner Harbor. The event will consist of approximately 25 vessels ranging from 13’ to 50’ in length. The person responsible for on scene safety can be reached at 978-580-9559. For more information, please contact Tobin Dominick at 978-580-9559. |
| Hazards To Navigation | Sector Boston, Submerged Land Act (SLA) – Essex Bay/General/Hazards To Navigation/Shoaling Reported | Essex Bay entrance has experienced increased shoaling from Essex Bay Buoy 3 in approximate position 42-40.4N 070-42.7W to Essex Bay Buoy 3A in approximate position 42-40.3N 070-43.3W. Mariners are advised that shoaling has been identified and extends the entire width of the channel to a least depth of 2 feet mean low water (MLW). Mariners without local knowledge are advised to transit with extreme caution and only during plus tides. Essex Bay Channel Buoy 16 has been reported having increased shoaling. Mariners are urged to use caution while transiting the area. |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Fireworks | MA – GLOUCESTER – STAGE FORT PARK – GLOUCESTER SCHOONER FESTIVAL FIREWORKS – FIREWORKS – The Gloucester Fireworks Fund is hosting the Gloucester Schooner Fireworks on September 5th, 2026, from 9:00 PM to 11:00 PM. Rain date is September 7, 2026. The event will consist of a fireworks display launched from land at Stage Fort Park in Gloucester MA. There is a safety zone in effect on all waters of Gloucester Harbor within a 350-yard radius of the launch site on the beach located at position 42°36.3′ N, 070°40.5′ W. The person responsible for on scene safety can be reached at 978-375-9780. For more information, please contact Barry Pett at 978-815- 8327. |
| ATON Changes | Sector Boston, Submerged Land Act (SLA) – Plymouth Bay/ATON/ATON Changes | ATON/ATON Changes From: 2026-08-18 To: 2026-10-17 Location: 41-57-24.012N/070-34-54.984W Aid Name: ARII Plymouth Bay Wave Research Lighted Buoy LLNR: 12550 Action: RELOCATE TO: 41-57-24.000N, 070-34-55.000W. |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – CAPE ANN – EASTERN POINT YACHT CLUB PHRF SERIES – REGATTA – The Eastern Point Yacht Club is hosting the PHRF Series on Thursdays and Sundays from June 25th, 2026 to August 27th, 2026. Races on Thursday nights will be run from 6:00 PM to 8:00 PM, and Sunday races will be run from 12:00 PM to 2:00 PM. Races will follow a triangular course within Gloucester Outer Harbor. The event will consist of approximately 13 Sailboats from 19’ to 41’ in length. The person responsible for on scene safety can be reached on VHF CH 71 or 73. For more information, please contact Isaac Perry at 978-879-7951. Chart 13281 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – CAPE ANN – EASTERN POINT YACHT CLUB ROUND THE SALVAGES REGATTA – REGATTA – The Eastern Point Yacht Club is hosting the Round the Salvages Regatta on Saturday August 22nd, 2025 6from 12:00 PM to 5:00 PM. The race will start just outside Gloucester Harbor to Rockport Harbor and return. The event will consist of approximately 15 Sailboats up to 45’ in length. The person responsible for on scene safety can be reached on VHF CH 71 or 73. For more information, please contact Isaac Perry at 978-879-7951. Chart 13281 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – CAPE ANN – EASTERN POINT YACHT CLUB BOB VELTMAN MEMORIAL PURSUIT RACE – REGATTA – The Eastern Point Yacht Club is hosting the Bob Veltman Memorial Pursuit Race on September 5th, 2026 from 12:00 PM to 5:00 PM. Race will follow a triangular course outside of Gloucester Outer Harbor. The event will consist of approximately 15 Sailboats up to 45’ in length. The person responsible for on scene safety can be reached on VHF CH 71 or 73. For more information, please contact Isaac Perry at 978-879-7951. Chart 13281 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – MARBLEHEAD – MARBLEHEAD HARBOR – CORINTHIAN BANDIT SH RACE – REGATTA – The Corinthian Yacht Club is hosting the Corinthian Bandit SH Race on October 3rd, 2026, from 12:30 PM to 4:30 PM in and around the area between Cape Ann and Tinkers Gong. The event will consist of approximately 15 sailing vessels all ranging from 30’ to 40’ in length. The person responsible for on scene safety can be reached at 781-277-1151. For more information, please contact Dan Himes at 781-277-1151. Chart 13275 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – HINGHAM BAY / NANTASKET ROADS – THE GREAT CHASE – REGATTA – The Hull Yacht Club is hosting The Great Chase Regatta on September 19, 2026, from 12:00 PM to 4:30 PM in the vicinity of Hingham Bay and Nantasket Roads. The event will consist of approximately 135 vessels ranging from 20’ to 50’ in length. The person responsible for on scene safety can be reached at 781-820-4414. For more information, please contact Geoffrey Roth at 617-803-8344. Chart 13267 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – SCITUATE – SCITUATE SAILING WEDNESDAY SERIES – REGATTA – The Satuit Boat Club is hosting the Scituate Sailing Wednesday Series every Wednesday from May 20, 2025, to September 2, 2026 in and around Scituate Harbor from 6:00 PM until 9:00 PM. The event will consist of a weekly regatta, consisting of approximately 15 vessels, all 24’ – 50’ in length. The vessel responsible for on scene safety can be reached at 781-635-6589. For more information, please contact James Plassman at 781- 635-6589. Chart 13269 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – SCITUATE – SCITUATE SAILING WEDNESDAY LATE SUMMER SERIES – REGATTA – The Satuit Boat Club is hosting the Scituate Sailing Wednesday Late Summer Series every Wednesday from August 05, 2026, to September 02, 2026 in and around Scituate Harbor from 6:00 PM until 9:00 PM. The event will consist of a weekly regatta, consisting of approximately 15 vessels, all 24’ – 50’ in length. The vessel responsible for on scene safety can be reached at 781-635-6589. For more information, please contact James Plassman at 781-635-6589. Chart 13269 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Regatta | MA – SCITUATE – SCITUATE SAILING SUNDAY FALL SERIES – REGATTA – The Satuit Boat Club is hosting the Scituate Sailing Sunday Fall Series every Wednesday from September 06, 2026, to October 04, 2026 in and around Scituate Harbor from 1:00 PM until 5:00 PM. The event will consist of a weekly regatta, consisting of approximately 15 vessels, all 24’ – 50’ in length. The vessel responsible for on scene safety can be reached at 781-635-6589. For more information, please contact James Plassman at 781- 635-6589. Chart 13269 |
| Marine Events | Sector Boston, Submerged Land Act (SLA) – Swim | MA – BOSTON – BOSTON HARBOR ISLANDS – BOSTON LIGHT DOUBLE TANDEM SWIM – SWIM The Mass. Open Water Swimming Association is hosting a Boston Light Double Tandem Swim on September 18, 2026, from 6:00 AM to 2:00 PM. The event will consist of two swimmers leaving from M Street beach in South Boston swimming out to Boston Light, and returning to M St Beach. A Safety vessel will be on scene and escorting the swimmers. The vessel responsible for on scene safety will be monitoring VHF Ch. 16 and 72 or 617-817-4782. For more information, please contact Elaine Howley at 508-736-6268. |
| MSIB | Sector Boston, Submerged Land Act (SLA)/General/MSIB | General/MSIB From: 2026-05-05 To: 2026-11-01 Boston Harbor Approaches to Approaches to Scituate, Boston Harbor and Weymouth Fore River AIS assigned to all Aids to Navigation in the greater Boston marine area from Boston Harbor Approaches to Scituate Approaches landward to Boston Harbor and Weymouth Fore River are non-operational until further notice. |
| Hazards To Navigation | Sector Southeastern New England, Submerged Lands Act (SLA) – Buzzards Bay Main Channel/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-09-12 To: 2039-08-23 MA – CUTTYHUNK HARBOR – ENTRY CHANNEL Mariners are advised that the navigable width of the entry channel into Cuttyhunk Harbor has decreased to approximately 15 feet wide. This may cause navigability issues and restrict movement for two-way traffic. Mariners are urged to maintain a proper lookout and use extreme caution while transiting the area. You may contact the local harbormaster by phone at (508) 990-7578. |
| General | Sector Southeastern New England, Territorial Sea – Sector Southeastern New England, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Dredging | Sector Southeastern New England, Territorial Sea – Sector Southeastern New England, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Dredging | Marine Construction (Excluding Bridges) | General/Marine Construction (Excluding Bridges)/Dredging From: 2026-05-19 To: 2027-05-18 AGM Marine Contractors, Inc. is currently working on the removal of Collier Ledge and Southwest Rock rock pile rubble in Nantucket Sound, Massachusetts, in position 41° 35′ 44.4″ N, 70°21′ 08.2″ W and 41°36′ 26.6″ N, 70° 19′ 10.8″ W, for the U.S. Coast Guard. The operation is scheduled to take place between June 16, 2026 and May 2027, utilizing the dredge “PRONCKAI,” deck barge “THING 2,” and tug “SITKA.” Work will occur daily from 6 AM to 8 PM, weather permitting. The rock pile rubble will be deposited in the Yarmouth Offshore Reef Site in position 41-36-24.4N, 70-11-7.46W. All vessels will be monitoring VHF channels 13/16 and operating on channel 68. No passing arrangements are required. |
| Hazards To Navigation | Shelter Island Sound South Channel – Little Peconic Bay/General/Hazards To Navigation/Shoaling Reported | General/Hazards To Navigation/Shoaling Reported From: 2024-09-13 To: 2039-12-28 NY-LONG ISLAND SOUND (Eastern Part) (Chart 12354)-SOUTH SIDE-MATTITUCK INLET Shoaling has been reported in the Mattituck Inlet. Mariners are advised to proceed with caution while transiting the area. |
| Hazards To Navigation | Shinnecock Inlet – Shinnecock Bay/General/Hazards To Navigation/Obstructions | General/Hazards To Navigation/Obstructions From: 2026-05-28 To: 2027-05-01 Location: 40-52-33.960N/072-18-08.856W Sound and the Sea, LLC will conduct scientific research focused on marine mammal detection and monitoring in the Atlantic Ocean south of Long Island, New York, off Mecox Bay. Four bottom-mounted passive acoustic monitoring devices will be deployed at specified coordinates: Sensor 1 (40°53’31.499″ N, 72°17’10.612″ W), Sensor 2 (40°52’33.985″ N, 72°18’8.856″ W), Sensor 3 (40°52’34.698″ N, 72°19’44.666″ W), and Sensor 4 (40°51’37.181″ N, 72°20’42.911″ W). Each device will be moored to the seafloor with a footprint of approximately one square foot and a line floating up to eight feet above the seafloor, at depths between 50 and 60 feet. The monitoring will be continuous, operating 24/7 from June 7, 2026, to May 1, 2027. |
| General | Shinnecock Inlet – Shinnecock Bay/General/Hazards To Navigation/Obstructions | Shinnecock Inlet – Shinnecock Bay/General/Hazards To Navigation/Obstructions | Hazards To Navigation | General/Hazards To Navigation/Obstructions From: 2026-05-28 To: 2027-05-01 Location: 40-51-37.152N/072-20-42.900W Sound and the Sea, LLC will conduct scientific research focused on marine mammal detection and monitoring in the Atlantic Ocean south of Long Island, New York, off Mecox Bay. Four bottom-mounted passive acoustic monitoring devices will be deployed at specified coordinates: Sensor 1 (40°53’31.499″ N, 72°17’10.612″ W), Sensor 2 (40°52’33.985″ N, 72°18’8.856″ W), Sensor 3 (40°52’34.698″ N, 72°19’44.666″ W), and Sensor 4 (40°51’37.181″ N, 72°20’42.911″ W). Each device will be moored to the seafloor with a footprint of approximately one square foot and a line floating up to eight feet above the seafloor, at depths between 50 and 60 feet. The monitoring will be continuous, operating 24/7 from June 7, 2026, to May 1, 2027. | Lat: 40° 51′ 37″ Lon: -072° 20′ 43″ |
| Marine Events | Weymouth Fore River – Regatta | MA – HINGHAM – HINGHAM BAY – HINGHAM BAY WEDNESDAY NIGHT RACES – REGATTA – The Hingham Bay Racing is hosting the Hingham Bay Wednesday Night Races every Wednesday night from 6:00 PM to 8:30 PM, from May 13, 2026, to September 30, 2026, in and around the vicinity of Hingham Bay. The event will consist of approximately 35 sailing vessels varying in length between 20’-50’. The person responsible for on scene safety can be reached on VHF CH 68. For more information, please contact Geoffrey Roth at 617-803-8344. Chart 13275 |
| Marine Events | Weymouth Fore River – Regatta | MA – HINGHAM – HINGHAM BAY – HINGHAM CHOWDER CUP – REGATTA – Hingham Bay Racing is hosting the Hingham Chowder Cup, September 12, 2026 from 12:00 PM to 3:30 PM in and around the vicinity of Hingham Bay. The event will consist of approximately 35 sailing vessels varying in length between 20’-50’. The person responsible for on-scene safety can be reached at 781-366-7912 or VHF Ch 68. For more information, please contact Geoffrey Roth at 617-803-8344. Chart 13275 |
| Discrepancy | WHOI Cape Ann Lighted Research Buoy DMON | Aid status: off station (OFF STATION); Light List number: 366; Aid type: Private aid (PA) |