CoastalUS Coast Guard LNM - Northwest District (D13)MessagesLNM13-05DA44LNM13-05DA44Received 23 Sept 2026, 00:00 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapCOLUMBIA RIVER - WILLAMETTE RIVER General / Bridges / Lighting and Other Signals Clearance gauges missing Position 45-31.65N 122-40.15W USCG Northwest District Local Notice to Mariners 45/2026Location 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-CE5D122026-09-23SECTOR PUGET SOUND, SUBMERGED LAND ACT (SLA) - QUILLAYUTE RIVER General / Hazards To Navigation / Obstructions There is a large, submerged log stuck in QuillayuLNM13-A1A0B82026-09-23UNION BAY REACH General / Bridges WASHINGTON – LAKE WASHINGTON SHIP CANAL – UNION BAY REACH – Bridge deviation The Coast Guard has approved a temporary deviatioLNM13-35ADF02026-09-23PUGET SOUND - POSSESSION SOUND General / Marine Events / Regatta (Race) 26 SEP -21 NOV 2026, 1200-1530 biweekly. Annual series of sailing regattas in PossessionEarlier warningsLNM13-B7056A2026-09-23SECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA) - CHETCO RIVER General / Marine Construction (Excluding Bridges) / Dredging The Port of Brookings Harbor will beLNM13-DISCREPANCIES2026-09-23AIDS TO NAVIGATION DISCREPANCIES 51 aids reported with a discrepancy. NAME | LLNR | STATUS | AID TYPE Anacortes Channel Light 4 | 19055 | TRLB | FD Baker Bay WeLNM13-D67B4E2026-09-23SECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA) - YAQUINA BAY General / Hazards To Navigation / Wrecks OREGON - YAQUINA BAY - Sunken Sailing Vessel. Mariners arBack to US Coast Guard LNM - Northwest District (D13)