LNM13-D519A0

SÉCURITÉ

Received 04 Nov 2026, 00:00 UTC

Warning text

WAUNA General / Marine Construction (Excluding Bridges) / Dredging The M/V YAQUINA may be conducting dredging activities in the Columbia River, Wauna-Driscoll Ranges/West Bar (RM 40+30 to RM 46+40) from 03 – 10 Nov 2026. Disposal will be at (RM 40 & 45). 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. USCG Northwest District Local Notice to Mariners 44/2026

Keywordsmarine construction

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