FZPN24 KWNM 181020 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 220 AM PST Tue Nov 18 2025 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 across the region today and tonight. A warm front will move NE across the waters early Wed followed by a cold front late Wed into Wed night. The front will move E of the area Thu as a surface low lingers over the waters. The low will dissipate late Thu as high pressure builds in across the waters Thu night. Yet another cold front will approach the region Fri and move across the waters Fri night into Sat. The front will weaken and become stationary Sat night. Canadian border to 45N ...GALE FORCE WINDS POSSIBLE WED... .TODAY...N to NW winds 5 to 15 kt. Seas 5 to 9 ft. .TONIGHT...S to SE winds 10 to 20 kt. Seas 5 to 8 ft. .WED...SE winds 25 to 35 kt. Seas 9 to 15 ft. .WED NIGHT...S to SE winds 20 to 30 kt. Seas 9 to 15 ft. Chance of rain. .THU...W to NW winds 15 to 25 kt. Seas 13 to 20 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 10 to 17 ft. .FRI...W to SW winds 5 to 15 kt. Seas 9 to 14 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 9 to 14 ft. .SAT...SW winds 15 to 25 kt. Seas 9 to 14 ft. .SAT NIGHT...W to SW winds 15 to 25 kt. Seas 9 to 13 ft. 45N to Point Saint George .TODAY...N winds 20 to 30 kt. Seas 7 to 12 ft. .TONIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .WED...S winds 20 to 30 kt. Seas 6 to 11 ft. .WED NIGHT...S winds 20 to 30 kt. Seas 10 to 16 ft. Rain. .THU...NW winds 15 to 25 kt. Seas 15 to 21 ft. .THU NIGHT...N to NW winds 5 to 15 kt. Seas 11 to 18 ft. .FRI...N winds 10 to 20 kt. Seas 9 to 14 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft. .SAT...W to SW winds 10 to 20 kt. Seas 10 to 14 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 9 to 13 ft.