CoastalUS Coast Guard LNM - Heartland District Gulf (D8)MessagesLNM08G-E6FEB3LNM08G-E6FEB3Received 05 Oct 2026, 00:00 UTCArchived 01 Nov 2026, 14:59 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapSABINE-NECHES CANAL - NECHES RIVER ATON / ATON Changes Location: 30-01.22N 094-01.59W Aid Name: JTS Dolphin Light LLNR: 23456.01 Action: ESTABLISH Private aid: FL2.5s 16' on mooring dolphin Valid 2026-10-05 to 2026-10-18. USCG Heartland (Gulf) District Local Notice to Mariners 40/2026Location mapOpen on the full mapMore from US Coast Guard LNM - Heartland District Gulf (D8)LNM08G-DD37942026-11-04SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - CHOCTAWHATCHEE BAY General / Hazards To Navigation / Obstructions East Pass - Choctawhatchee Bay - Bridge Fender Damage --- Reported: 2026-11-02 --- The US-98LNM08G-AC132E2026-11-04SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - BILOXI EAST CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Biloxi East Channel - Mississippi Sound - Dredge and Breakwater Operation ---LNM08G-0D14532026-11-04SECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Marine Construction (Excluding Bridges) / Survey Operations Gulf of America - Survey Operation --- --- The R/V BROOKS MCCALL will be conducLNM08G-992B2D2026-10-28archivedSOUTH PASS - HEAD OF PASSES TO NEW ORLEANS General / Hazards To Navigation / Wrecks California Bay - Partially Submerged F/V --- Reported: 2026-10-17 --- A 42ft F/V has been reported partially submergLNM08G-70B71D2025-09-03archivedSECTOR MOBILE, TERRITORIAL SEA - SECTOR MOBILE, SUBMERGED LAND ACT (SLA) General / Naval Activity / Naval Testing (Surface / Underwater) Gulf of America - U.S. Navy Operation --- --- The U.S. Navy wiLater warningsLNM08G-87DFB92026-10-06archivedCAT ISLAND PASS - HOUMA NAVIGATION CANAL General / Marine Construction (Excluding Bridges) / Dredging Houma Navigation Canal - Staged Dredge Equipment --- ---LNM08G-23DA512026-10-06archivedSECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) ATON / ATON Changes Location: 29-34.72N 088-38.69W Aid Name: Scripps Lighted Data Buoy 279, NDBC 42354 LLNR: 3LNM08G-A770CD2026-10-07archivedST ANDREW BAY ENTRANCE - GRAND LAGOON CHANNEL General / Marine Events / Fireworks Grand Lagoon Channel - Fireworks Display --- On: 2026-10-11 --- A barge-basedEarlier warningsLNM08G-C9A76D2026-10-05archivedSABINE-NECHES CANAL - NECHES RIVER ATON / ATON Changes Location: 30-01.14N 094-01.42W Aid Name: JTS Dolphin Light LLNR: 23456 Action: ESTABLISH Private aid: FL2LNM08G-9CF2B42026-10-02archivedSECTOR MOBILE, SUBMERGED LAND ACT (SLA) - EAST BAY TO WEST BAY General / Naval Activity / Naval Testing (Surface / Underwater) St Andrew Bay - West Bay - U.S. NLNM08G-0120542026-10-02archivedSECTOR MOBILE, TERRITORIAL SEA - SECTOR MOBILE, SUBMERGED LAND ACT (SLA) General / Naval Activity / Naval Testing (Surface / Underwater) Gulf of America - U.S.Back to US Coast Guard LNM - Heartland District Gulf (D8)