FZPN24 KWNM 220416 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 916 PM PDT Fri Aug 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 trough extends S and SW across the waters from a weak low pressure near Vancouver island. The low pressure will drift NE and inland early Sat with the trough moving E and SE persisting near the coast Sat before moving inland Sat night. High pressure will remain centered W of the waters tonight through Sat night, then drift further E into the area Sun through Tue night as it becomes weaker. Weak low pressure will move E over the waters with a cold front Wed and dissipate Wed night as high pressure build E over the waters. Canadian border to 45N .TONIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .SAT...S winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .MON...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 5 to 15 kt. Seas 4 to 6 ft. .WED...W winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. 45N to Point Saint George .TONIGHT...S winds 5 to 15 kt. Seas 4 to 6 ft. .SAT...W to NW winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 15 to 25 kt. Seas 4 to 8 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 5 to 8 ft. .MON...N winds 15 to 25 kt. Seas 4 to 8 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...N winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N to NW winds less than 10 kt. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft.