Navigation Notices: Pacific Rivers

Notice Number: 212412 / 26-4 Effective: 11/24/2025 07:00 thru 11/25/2025 13:00 PST There will be slower lockages at the Lower Monumental navigation lock from 0700-1600, on Monday, 24 November 2025,…

Notice Number: 212368 / 26-3 Effective: 11/04/2025 10:00 thru 11/04/2025 14:00 PDT The McNary navigation lock will be removed from service on Tuesday 4 November 2025, from 1000 to 1400.…

Notice Number: 211009-2 / 206-297-9821 Effective: 03/01/2026 06:00 thru 03/12/2026 16:00 PDT Auxiliary (small) Lock annual maintenance period and pump out. //signed// Hand, Michael R, Lock and Dam Equipment Operator…

Notice Number: 212028 / 25-39 Effective: 09/30/2025 07:00 thru 09/30/2025 16:00 PDT The McNary navigation lock will be removed from service on Tuesday, 30 September 2025, from 0700 to 1600.…

Notice Number: 212014 / 25-38 Effective: 09/25/2025 07:00 thru 09/25/2025 16:00 PDT The McNary navigation lock will be removed from service on Thursday, 25 September 2025, from 0700 to 1600.…

Notice Number: 212009 / 25-37 Effective: 02/21/2026 00:00 thru 03/28/2026 23:45 PDT The annual maintenance lock closure for the Walla Walla District, U.S. Army Corps of Engineers is scheduled for…

Notice Number: 211993 / 25-36 Effective: 09/24/2025 07:00 thru 09/24/2025 16:00 PDT The McNary navigation lock will be removed from service on Wednesday, 24 September 2025, from 0700 to 1600.…

Notice Number: 211888 / 25-34 Effective: 09/18/2025 08:00 thru 09/18/2025 12:00 PDT The McNary navigation lock will be removed from service on Thursday 18 September 2025, from 0800 to 1200.…

Notice Number: 211887 / 25-33 Effective: 09/22/2025 06:30 thru 05/15/2026 19:00 PDT Winter recreational vessel lockages will be made during daylight hours only, on request, at each of the Walla…

Notice Number: 211831-1 Effective: 03/01/2026 00:00 thru 03/21/2026 23:45 PDT The annual maintenance lock closure for Portland District, Corps of Engineers is scheduled for March 2026. Routine annual maintenance, inspection,…