FZPN24 KWNM 211039 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 339 AM PDT Mon Sep 21 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...A cold front will move across the waters today. High pressure will build over the waters behind the front tonight into Tue and weaken Tue night. Another cold front will move across the waters Tue night into Thu. High pressure will build just W of the waters Wed night into Thu night, then over the region Fri and Fri night while a low pressure trough develops along the Oregon coast. Canadian border to 45N .TODAY...W to NW winds 5 to 15 kt. Seas 7 to 11 ft. .TONIGHT...W to NW winds 5 to 15 kt. Seas 6 to 10 ft. .TUE...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...W to NW winds 5 to 15 kt. Seas 6 to 11 ft. .WED...N to NW winds 5 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...N to NE winds 5 to 15 kt. Seas 6 to 9 ft. .THU...N winds 5 to 15 kt. Seas 4 to 8 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft. .FRI...NW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. 45N to Point Saint George .TODAY...N to NW winds 20 to 30 kt. Seas 5 to 9 ft. .TONIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .TUE...N to NW winds 20 to 30 kt. Seas 7 to 11 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .WED...N winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. .THU...E to NE winds 10 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 10 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.