LNM13-454DFE
SÉCURITÉReceived: 28 Oct 2026, 00:00Updated: 4 Nov 2026, 18:24
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- Operationsmarine construction
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Message content
COLUMBIA RIVER - CHINOOK CHANNEL
General / Marine Construction (Excluding Bridges) / Dredging
Port of Chinook will be conducting maintenance dredging for the Port of Chinook Marina from 02 November 2026 through 15 February 2027. Dredging activities will occur entirely within the Marina boat basin, 7 days a week. Disposal will be at the Chinook Marina Upland Placement site. Mariners are requested to transit at their slowest safe speed to minimize wake and proceed with caution. For additional information, contact Richard Wright, Port of Chinook Director at 360-214-8864.
Position 46-16.22N 123-56.85W
USCG Northwest District Local Notice to Mariners 44/2026