LNM13-3B7F66
SÉCURITÉReceived: 11 Nov 2026, 00:00Updated: 11 Nov 2026, 19:06
Keywords
- Operationsmarine construction
Message content
COLUMBIA 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 RM 39+10) from 05 – 10 Nov 2026. Disposal will be at (RM 28 OR side). 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 46-12.45N 123-25.58W
USCG Northwest District Local Notice to Mariners 45/2026