


Offshore Forecast
Issued by NWS
Issued by NWS
919 FZPN24 KWNM 091056 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 356 AM PDT Fri May 9 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 most of the area through early today, then weaken this afternoon as a cold front approaches the waters. The cold front will move E across the waters tonight and Sat, then move inland Sat night. A weak low may form on the front Sat afternoon crossing the outer Washington waters. Another area of low pressure will move E into the waters Sun, while weakening, then move inland later Sun night into Mon. A strengthening pressure gradient will develop across the waters later Sun night through Mon night as strong high pressure builds to the W. A trough will move SE across the waters Tue and Tue night as the strong high pressure remains centered W and SW of the region. Astoria NAVTEX is reported down. Technicians are aware. We apologize for the inconvenience. Canadian border to 45N .TODAY...S winds 5 to 15 kt. Seas 4 to 7 ft. .TONIGHT...S winds 5 to 15 kt. Seas 4 to 6 ft. Slight chance of showers. .SAT...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. Chance of showers. .SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. Chance of showers. .SUN...S to SW winds 5 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...N winds 5 to 15 kt. Seas 4 to 8 ft. .MON...N to NW winds 15 to 25 kt. Seas 6 to 11 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft. .TUE...NW winds 15 to 25 kt. Seas 7 to 11 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft. 45N to Point Saint George .TODAY...N winds 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 4 to 6 ft. .SUN...S winds 15 to 25 kt. Seas 4 to 8 ft. .SUN NIGHT...N to NW winds 20 to 30 kt. Seas 6 to 10 ft. .MON...N winds 20 to 30 kt. Seas 9 to 14 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 10 to 14 ft. .TUE...N to NW winds 15 to 25 kt. Seas 7 to 13 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 7 to 11 ft.