LNM13-B144E6
SÉCURITÉReceived 28 Oct 2026, 00:00 UTC
Warning text
Positions open on the mapCRIMS ISLAND TO ST HELENS - LONGVIEW
General / Marine Construction (Excluding Bridges) / Dredging
Dredge Oregon will be conducting dredging activities near Lower Dobelbower Bar on the Columbia River, (RM 69+00 to RM 70+00), between 26 Oct – 23 Nov 2026. Dredging operations will occur on the Oregon side outside of the channel near Howard Island. The Dredge Oregon, along with workboats Clackamas, Ivanoff, and Cowlitz will be monitoring VHF Channel 13 and 16. Mariners are requested to 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. Dredge personnel may be reached by phone at (503) 369-1505 or (503) 789-7238.
Position 46-05.32N 122-55.22W
USCG Northwest District Local Notice to Mariners 44/2026