CoastalUS Coast Guard LNM - Southeast District (D7)MessagesLNM07-D7243ALNM07-D7243AReceived: 20 Oct 2026, 00:00Updated: 1 Nov 2026, 14:56SubscribeCopyShareShow on mapPrintExportSearchMessage contentFLORIDA BAY - SHELL KEY ATON / ATON Changes Location: 24-53.95N 080-39.65W Aid Name: Yellow Shark Channel Buoy 14 LLNR: 12853 Action: ESTABLISH Valid 2026-10-20 until further notice. USCG Southeast District Local Notice to Mariners 43/2026Location mapOpen in the full mapLoading map…More from US Coast Guard LNM - Southeast District (D7)LNM07-8D55F12026-10-28CHARLESTON HARBOR - COOPER RIVER ATON / Advanced Notice of Change The U.S. Coast Guard has approved the following changes to the Aids to Navigation System in the Cooper River: Cooper River Range D ReaLNM07-F179962026-10-27ST JOHNS RIVER General / Bridges Location: 30-19.38N 081-39.51W Bridge Name: Main Street Bridge The bridge need not open to navigation on Saturday, November 14, 2026, from 7:30 a.m. until 9 a.m. to faLNM07-CB620B2026-10-26SECTOR CHARLESTON, SUBMERGED LAND ACT (SLA) - ST SIMONS SOUND ATON / Advanced Notice of Change Location: 31-06.30N 081-27.05W Aid Name: St Simons Sound Lighted Buoy 24 LLNR: 6215 Action: RELOCATE TheLNM07-D23A902026-09-28archivedSECTOR CHARLESTON, SUBMERGED LAND ACT (SLA) - FOLLY RIVER ATON / ATON Changes Location: 32-37.85N 079-59.35W Aid Name: Folly River Buoy 7 LLNR: 3740 Action: RELOCATE New position: 32-37.85N 079-59.40WLNM07-94E2F82025-10-24archivedSECTOR CHARLESTON, TERRITORIAL SEA - SECTOR CHARLESTON, SUBMERGED LAND ACT (SLA) General / Marine Construction (Excluding Bridges) / Dredging 30938 Great Lakes Dredge and Dock Company, LLC (GLDD) hasLater warningsLNM07-8124742026-10-21WINYAH BAY CHARLESTON HARBOR General / Bridges Location: 32-46.36N 079-50.52W Bridge Name: Ben Sawyer Bridge The swing bridge suffered a structural failure prevLNM07-E8251C2026-10-21PARADISE BAY ESTATES CHANNEL - TAMPA BAY General / Hazards To Navigation / Hazards ID# 56839 Location: 27-37.65N 082-34.17W 27-36.45N 082-34.31W 27-35.62N 082-3LNM07-536B0F2026-10-21SECTOR CHARLESTON, TERRITORIAL SEA - SECTOR CHARLESTON, SUBMERGED LAND ACT (SLA) General / Marine Construction (Excluding Bridges) / Dredging Location: 33-36.76Earlier warningsLNM07-DA0E022026-10-20HILLSBORO RIVER General / Bridges Location: 26-13.91N 080-05.63W Bridge Name: East Atlantic Boulevard Bridge The bridge need not open to navigation including tuLNM07-C2FFE12026-10-20HILLSBORO RIVER General / Bridges Location: 26-15.02N 080-05.40W Bridge Name: Northeast 14th Street Bridge The bridge need not open to navigation including tugsLNM07-89528D2026-10-20FLORIDA BAY - SHELL KEY ATON / ATON Changes Location from: 24-54.49N 080-39.21W Location to: 24-54.52N 080-39.22W Aid Name: Yellow Shark Channel Buoy 24A LLNR:Back to messages