LNM13-6AC555
SÉCURITÉArchivedReceived: 28 Oct 2026, 00:00Archived: 4 Nov 2026, 18:24Updated: 4 Nov 2026, 18:24
Keywords
- Operationsmarine construction
Message content
SECTOR COLUMBIA RIVER, SUBMERGED LAND ACT (SLA) - COLUMBIA
General / Marine Construction (Excluding Bridges) / Dredging
The M/V ESSAYONS will be conducting dredging activities near Tongue Point Crossing, (RM 24+30 to RM 26+25), between 27 Oct – 02 Nov 2026. Disposal sites with be located at RM 5 (WA 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 46-15.88N 123-43.78W
USCG Northwest District Local Notice to Mariners 43/2026