


Offshore Forecast
Issued by NWS
Issued by NWS
259 FZPN24 KWNM 192209 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 309 PM PDT Tue Aug 19 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...A nearly stationary front will be along the outer Oregon waters and will dissipate tonight. High pressure will build over the waters tonight through Thu and gradually become weaker Thu into Fri while shifting W of the waters Sat through Sun night. Otherwise a coastal trough will develop over Oregon and persist into Sat night. A cold front will approach the waters from the NW Sat before dissipating W of the region Sat night. On Sun and Sun night a coastal trough will develop along Vancouver island. Canadian border to 45N .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .THU...N winds 15 to 25 kt. Seas 3 to 6 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 4 to 6 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 7 ft. .SAT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN...NW winds 15 to 25 kt. Seas 5 to 8 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. 45N to Point Saint George .TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .WED...N winds 20 to 30 kt. Seas 4 to 7 ft. .WED NIGHT...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 5 to 8 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 20 to 30 kt. Seas 5 to 8 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft.