US Coast Guard LNM - Arctic District (D17) archive
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- LNM17-9652D1SÉCURITÉSECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Marine Construction (Excluding Bridges) / Dredging ALASKA – SOUTHCENTRAL – COOK INLET – PORT OF ALASKA – MARINE CONSTRUCTION Dredging, demolition, pile driving, wharf construction, and other miscellaneous marine construction will be conducted at the Port of Alaska from 01 April through 31 October 2026. Three temporary mooring buoys with flashing white lights will be established northwest of Terminal 3 in positions: 61-15.09N 149-53.76W 61-15.24N 149-53.38W 61-15.43N 149-53.65W During operations, VHF-FM channel 8 will be monitored. Derrick barges will have anchors deployed and submerged anchor cables will be marked by crown buoys over each submerged anchor. Mariners are advised to maintain a minimum closest point of approach of 1,000 feet, transit at slow speed, and exercise caution when transiting this area. For additional information, mariners can contact the U.S. Coast Guard on VHF-FM channel 16, by phone to Sector Western Alaska and U.S. Arctic Command Center at 907-428-4100, or by email at [email protected] USCG Arctic District Local Notice to Mariners 43/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 70-50.04N 163-07.56W Submerged Data Mooring Name: AL24-AU-IC01 Water Depth: 148’ Top Float Depth: 121’ POC: Catherine Berchok Phone: 206-526-6331 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-20.26N 146-45.26W Submerged Data Mooring Name: H03 Water Depth: 876’ Top Float Depth: 860’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- GASTINEAU CHANNEL - MENDENHALL BAR ATON / ATON Changes Location: 58-19.53N 134-28.76W Aid Name: Mendenhall Bar Buoy 9 LLNR: 23735.1 Action: DISCONTINUE Valid 2026-09-25 to 2027-03-24. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-23.65N 152-03.07W Submerged Data Mooring Name: AON-BS3a Water Depth: 479’ Top Float Depth: 115’ POC: Dr. Robert Pickart Phone: 508-289-2858 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- CHATHAM STRAIT - FREDERICK SOUND General / Hazards To Navigation / Wrecks Location: 56-54.68N 132-56.69W A 47 foot wood fishing vessel was reported sunk in this position in 2023. Valid 2024-10-28 to 2026-10-28. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 59-58.51N 147-52.43W Submerged Data Mooring Name: M10 Water Depth: 784’ Top Float Depth: 768’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 59-57.22N 147-50.84W Submerged Data Mooring Name: M06 Water Depth: 702’ Top Float Depth: 686’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 60-02.79N 148-07.79W Submerged Data Mooring Name: POWP06 Water Depth: 154’ Top Float Depth: 138’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 74-35.30N 145-32.70W Submerged Data Mooring Name: AMOS-A Water Depth: 12,339’ Top Float Depth: 131’ POC: Craig Lee Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-47.78N 155-20.81W Submerged Data Mooring Name: BCW-22 Water Depth: 554’ Top Float Depth: 115’ POC: Motoyo ITOH Phone: +81-46-867-9488 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 69-39.28N 138-55.28W Submerged Data Mooring Name: HI16 Water Depth: 134’ Top Float Depth: 125’ POC: Dr. Humphrey Melling Phone: 250-363-6552 Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- General / Hazards To Navigation / Obstructions Location: 59-55.48N 147-48.63W Submerged Data Mooring Name: M01 Water Depth: 295’ Top Float Depth: 263’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR SOUTHEAST ALASKA, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 59-55.93N 139-36.34W Submerged Data Mooring Name: DB1-24 Water Depth: 754’ Top Float Depth: 164’ POC: Peter Shipton Phone: 907-224-4319 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-19.67N 146-48.14W Submerged Data Mooring Name: H07 Water Depth: 909’ Top Float Depth: 818’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-19.97N 146-46.71W Submerged Data Mooring Name: H05 Water Depth: 886’ Top Float Depth: 797’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Wrecks Location: 60-47.76N 148-03.31W The F/V SONG II sank in this position in August 2018. Valid 2024-10-28 to 2026-10-28. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-12.24N 157-59.94W Submerged Data Mooring Name: AL24-AU-PB01 Water Depth: 157’ Top Float Depth: 131’ POC: Catherine Berchok Phone: 206-526-6331 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 70-59.36N 133-44.64W Submerged Data Mooring Name: IBO16-2 Water Depth: 365’ Top Float Depth: 146’ POC: Dr. Humphrey Melling Phone: 250-363-6552 Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 56-07.76N 168-18.78W Submerged Data Mooring Name: AL24-AU-PC01 Water Depth: 561’ Top Float Depth: 535’ POC: Catherine Berchok Phone: 206-526-6331 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- STEPHENS PASSAGE - GASTINEAU CHANNEL General / Hazards To Navigation / Wrecks Location: 58-16.26N 134-22.23W A 22' white sailboat sank in this position. Questions/concerns/updates should be directed to the Coast Guard Sector Southeast Command Center at 907-463-2980. Valid 2024-10-25 to 2026-10-25. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-19.01N 146-51.23W Submerged Data Mooring Name: H11 Water Depth: 1,135’ Top Float Depth: 1,022’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 74-31.38N 161-56.54W Submerged Data Mooring Name: NAP-23t Water Depth: 5,528’ Top Float Depth: 115’ POC: Motoyo ITOH Phone: +81-46-867-9488 Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- GASTINEAU CHANNEL - MENDENHALL BAR ATON / ATON Changes Location: 58-20.31N 134-30.71W Aid Name: Mendenhall Bar Buoy 10C LLNR: 23735.62 Action: DISCONTINUE Valid 2026-09-25 to 2027-03-24. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-18.47N 146-53.99W Submerged Data Mooring Name: H15 Water Depth: 276’ Top Float Depth: 244’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-30.22N 146-30.82W A submerged mooring was reported lost in 315 feet of water in this position in 02/23. This mooring may be an obstruction to operations on the sea floor. Valid 2024-10-28 to 2026-10-28. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 70-20.03N 133-44.37W Submerged Data Mooring Name: IBO16-1a Water Depth: 180’ Top Float Depth: 171’ POC: Dr. Humphrey Melling Phone: 250-363-6552 Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 57-43.46N 152-17.00W Submerged Data Mooring Name: 23CB-1A Water Depth: 545’ Top Float Depth: 472’ POC: David Strausz Phone: 206-526-4510 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 59-01.60N 148-40.24W Submerged Data Mooring Name: GEO2-24 Water Depth: 758’ Top Float Depth: 82’ POC: Peter Shipton Phone: 907-224-4319 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-18.74N 146-52.66W Submerged Data Mooring Name: H13 Water Depth: 909’ Top Float Depth: 818’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 50-01.39N 144-21.67W Submerged Data Mooring Name: FLMA Water Depth: 9,361’ Top Float Depth: 68’ POC: Derek Buffit Phone: 508-548-1401 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-40.38N 154-59.99W Submerged Data Mooring Name: BCE-22 Water Depth: 384’ Top Float Depth: 62’ POC: Motoyo ITOH Phone: +81-46-867-9488 Email: [email protected] Valid 2024-10-15 to 2025-04-13. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-36.04N 161-32.45W Submerged Data Mooring Name: CEO2-24 Water Depth: 151’ Top Float Depth: 108’ POC: Peter Shipton Phone: 907-224-4319 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-36.79N 147-12.00W Submerged Data Mooring Name: PWSSC-15 Water Depth: 722’ Top Float Depth: 197’ ***Surfaces twice daily*** POC: Dr. Rob Campbell Phone: 907-424-5800 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- GASTINEAU CHANNEL - MENDENHALL BAR ATON / ATON Changes Location: 58-20.10N 134-29.64W Aid Name: Mendenhall Bar Buoy 10A LLNR: 23735.45 Action: DISCONTINUE Valid 2026-09-25 to 2027-03-24. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 59-59.08N 148-02.22W Submerged Data Mooring Name: LP02 Water Depth: 144’ Top Float Depth: 128’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 70-03.53N 133-42.92W Submerged Data Mooring Name: IBO16-9a Water Depth: 116’ Top Float Depth: 106’ POC: Dr. Humphrey Melling Phone: 250-363-6552 Email: [email protected] Valid 2024-10-18 to 2026-10-18. USCG Arctic District Local Notice to Mariners 40/2026
- GASTINEAU CHANNEL - MENDENHALL BAR ATON / ATON Changes Location: 58-20.23N 134-30.17W Aid Name: Mendenhall Bar Buoy 10B LLNR: 23735.55 Action: DISCONTINUE Valid 2026-09-25 to 2027-03-24. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-20.55N 146-43.82W Submerged Data Mooring Name: H01 Water Depth: 98’ Top Float Depth: 66’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 71-23.81N 152-00.19W Submerged Data Mooring Name: AON-BS3b Water Depth: 502’ Top Float Depth: 115’ POC: Dr. Robert Pickart Phone: 508-289-2858 Email: [email protected] Valid 2024-10-15 to 2026-10-15. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-18.54N 146-54.55W Submerged Data Mooring Name: H16 Water Depth: 85’ Top Float Depth: 53’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-19.81N 146-47.42W Submerged Data Mooring Name: H06 Water Depth: 896’ Top Float Depth: 806’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, TERRITORIAL SEA - SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Location: 60-06.89N 148-14.12W Submerged Data Mooring Name: BP07 Water Depth: 171’ Top Float Depth: 154’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- General / Hazards To Navigation / Obstructions Location: 59-59.47N 148-05.78W Submerged Data Mooring Name: EP03 Water Depth: 207’ Top Float Depth: 190’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-19.32N 146-49.78W Submerged Data Mooring Name: H09 Water Depth: 1,007’ Top Float Depth: 906’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- General / Hazards To Navigation / Obstructions Location: 64-51.48N 168-26.88W Submerged Data Mooring Name: AL24-AU-NM01 Water Depth: 144’ Top Float Depth: 118’ POC: Catherine Berchok Phone: 206-526-6331 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- GASTINEAU CHANNEL - MENDENHALL BAR ATON / ATON Changes Location: 58-19.92N 134-29.12W Aid Name: Mendenhall Bar Buoy 10 LLNR: 23735.35 Action: DISCONTINUE Valid 2026-09-25 to 2027-03-24. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Obstructions Location: 61-05.04N 170-15.84W Submerged Data Mooring Name: AL24-AU-BS11 Water Depth: 161’ Top Float Depth: 135’ POC: Catherine Berchok Phone: 206-526-6331 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
- LYNNCANAL - CHILKOOT INLET General / Hazards To Navigation / Obstructions Location: 59-14.42N 135-25.85W An anchor and 1 shot of chain from a 120 foot vessel was reported as lost and sitting on the sea floor. All vessels anchoring in the vicinity are requested to remain clear of the lost anchor. Valid 2024-10-28 to 2026-10-28. USCG Arctic District Local Notice to Mariners 40/2026
- SECTOR ANCHORAGE, SUBMERGED LAND ACT (SLA) - PRINCE WILLIAM SOUND General / Hazards To Navigation / Obstructions Location: 60-18.89N 146-51.92W Submerged Data Mooring Name: H12 Water Depth: 1,194’ Top Float Depth: 1,079’ POC: Mary Anne Bishop Phone: 907-424-5800 x228 Email: [email protected] Valid 2024-10-17 to 2026-10-17. USCG Arctic District Local Notice to Mariners 40/2026
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