TANSY POINT - ASTORIA
General / Marine Construction (Excluding Bridges) / Dredging
The M/V ESSAYONS will be conducting dredging activities near Tongue Point Crossing, Columbia River (RM 18+20 to RM 21+05), 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 46-12.98N 123-45.68W
USCG Northwest District Local Notice to Mariners 43/2026