LNM13-9C2098
SÉCURITÉArchivedReceived: 7 Oct 2026, 00:00Archived: 1 Nov 2026, 15:05Updated: 4 Nov 2026, 18:24
Keywords
- Operationsmarine construction
Message content
SECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA) - COLUMBIA RIVER
General / Marine Construction (Excluding Bridges) / Dredging
The M/V ESSAYONS will be conducting dredging activities near the mouth of the Columbia River, (RM -02+00 to RM 02+00), between 29 Sep – 06 Oct 2026. Disposal sites with be located at NHS, DWS, SWS. USACE requests mariners transit at their slowest safe speed to minimize wake when in the vicinity of a dredge and proceed with caution after passing arrangements have been made on VHF-FM channel 13. Vessel(s) and/or equipment may encroach into the channel. Mariners are advised that the start and ending dates for dredging activities may vary due to unforeseen on-site conditions, such as gill net fishing, weather and other factors.
Position 46-15.27N 124-04.90W
USCG Northwest District Local Notice to Mariners 40/2026