LNM13-D57C2F
Received: 11 Nov 2026, 00:00Updated: 11 Nov 2026, 19:06
Message content
COLUMBIA RIVER - LAKE WALLULA
General / Miscellaneous
McNary Dam (RM 292) on the Columbia River will be having slower than normal lockage openings beginning 05 November 2026 until further notice due to a broken hydraulic line and issues with the valve hydraulic power unit. Upstream lockage's will require an additional 15-20 minutes to complete. For additional information, contact McNary Chief Operator at 541-922-2231, Call Sign: WUJ41 or NWW Operations Division at 509-527-7364.
Position 45-55.72N 119-17.68W
USCG Northwest District Local Notice to Mariners 45/2026