FZPN24 KWNM 170422 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 922 PM PDT Wed Sep 16 2026 Conditions given represent the highest within that period. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...High pressure will persist W of the area tonight through Thu, then slide E towards the waters through the weekend becoming centered over the waters Sun into Mon night. A trough is expected to persist along the coastline tonight through Mon night. Canadian border to 45N .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...NW winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...N winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...W winds 5 to 15 kt. Seas 4 to 8 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. 45N to Point Saint George .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 5 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 15 to 25 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .MON...N winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft.