CoastalUS Coast Guard LNM - Northwest District (D13)MessagesLNM13-DADA3CLNM13-DADA3CReceived 23 Sept 2026, 00:00 UTCArchived 01 Nov 2026, 15:05 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapSKAGIT BAY General / Bridges A tree is lodged the upriver fender blocking half of the channel. Position 48-25.28N 122-20.38W USCG Northwest District Local Notice to Mariners 40/2026Location mapOpen on the full mapMore from US Coast Guard LNM - Northwest District (D13)LNM13-22450D2026-11-11COLUMBIA RIVER - NORTH PORTLAND HARBOR General / Marine Construction (Excluding Bridges) / Dredging HME will be performing dredging operations near CBC East Barge Slip, Columbia River (RM 108) from 15LNM13-65C59B2026-11-11CRIMS ISLAND TO ST HELENS - MARTIN ISLAND General / Marine Construction (Excluding Bridges) / Dredging The M/V YAQUINA may be conducting dredging activities in the Columbia River, Eureka Bar/Gull IslaLNM13-3B7F662026-11-11COLUMBIA RIVER - PUGET ISLAND General / Marine Construction (Excluding Bridges) / Dredging The M/V ESSAYONS may be conducting dredging activities in the Columbia River, Puget Island Bar (RM 37+35 to RLNM13-7786DD2026-11-04archivedCOLUMBIA RIVER - EUREKA General / Marine Construction (Excluding Bridges) / Dredging The M/V YAQUINA may be conducting dredging activities in Yaquina Bay Entrance (RM 51+10 to RM 52+10) from 03 – 10 NLNM13-8CEC352026-10-28archivedVANCOUVER TO BONNEVILLE - LADY ISLAND General / Miscellaneous Advanced American Construction will be operating the derrick barge DB 4100 from 26OCT26 through 04NOV26 near the entrance of Chinook LandiLater warningsLNM13-86FDAF2026-09-23archivedSECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA) - TILLAMOOK BAY General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap,LNM13-301A442026-09-23archivedTANSY POINT - SKIPANON WATERWAY General / Marine Construction (Excluding Bridges) / Dredging HME Construction Inc will be performing clamshell dredging and dumpLNM13-10DEF82026-09-23archivedPUGET SOUND - SHILSHOLE BAY General / Marine Events / Regatta (Race) 09 AUG - 25 OCT 2026, 1200-1700. Annual biweekly sailing regatta in Shilshole Bay between MEarlier warningsLNM13-D500122026-09-23archivedPUGET SOUND - SHILSHOLE BAY General / Marine Events / Regatta (Race) 23-25 OCT 2026, 1100-1800 each day. Annual multiday regatta in Shilshole Bay between Alki PLNM13-7CEAF72026-09-23archivedPUGET SOUND - SHILSHOLE BAY General / Marine Events / Regatta (Race) 15-18 OCT 2026, 1000-1600 each day. Sailing regatta held in Shilshole Bay. Course will be ELNM13-BBC5B52026-09-23archivedPUGET SOUND - SHILSHOLE BAY General / Marine Events / Regatta (Race) 10-11 OCT 2026, 1000-1800 each day. Two day sailing regatta in Shilshole Bay. Course will rBack to US Coast Guard LNM - Northwest District (D13)