FZPN24 KWNM 051617 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 917 AM PDT Wed Aug 5 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 high pressure ridge will persist W and NW of the area today and tonight while gradually weakening. A coastal trough will expand N along the Washington coast today, then weaken tonight before dissipating Thu. High pressure will gradually rebuild into the region from the W Thu through Sun night. A new coastal trough will expand N along the S Oregon coast Sat through Sun night. Canadian border to 45N .TODAY...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TONIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .THU...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 8 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 8 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 9 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. 45N to Point Saint George .TODAY...N winds 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .THU...N winds 5 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...N winds 15 to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...N winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .SUN...N winds 20 to 30 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft.