


Offshore Forecast
Issued by NWS
Issued by NWS
597 FZPN24 KWNM 210609 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 1109 PM PDT Wed Aug 20 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 remain in place over the waters tonight through Thu then weaken and shift W of the area. A trough will develop along the Pac NW coast Fri then persist through Mon night. Canadian border to 45N .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .THU...N winds 15 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .FRI...N winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. .SAT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. .SUN...NW winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. 45N to Point Saint George .TONIGHT...N winds 20 to 30 kt. Seas 6 to 9 ft. .THU...N winds 20 to 30 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .SAT...N winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 5 to 8 ft. .SUN...N winds 15 to 25 kt. Seas 5 to 8 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 6 to 9 ft. .MON...N winds 20 to 30 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft.