


Offshore Forecast
Issued by NWS
Issued by NWS
116 FZPN24 KWNM 181704 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 1004 AM PDT Sat Oct 18 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 warm front moving E over the area will quickly be followed by a cold front moving E across the waters later today into tonight before moving inland Sun. The associated low pressure system will track E tonight, remaining N of the waters and quickly weakening. However, significant swell generated by this system will move E into the waters tonight. The swell will then gradually diminish Sun and Sun night. A high pressure ridge will build NE across the waters Sun night through Mon. Another weaker cold front will move E and then SE across the waters Mon night before dissipating on Tue. High pressure ridging will follow the front on Tue, before quickly moving inland ahead of the next cold front, passing over the waters Tue night into Wed. Yet another stronger cold front is expected to move E across the area late Wed night. Canadian border to 45N ...GALE WARNING... .TODAY...S to SW winds 20 to 30 kt. Seas 10 to 15 ft. Rain. .TONIGHT...W winds 30 to 40 kt. Seas 13 to 22 ft. Scattered showers and slight chance of tstms. .SUN...W to NW winds 25 to 35 kt. Seas 17 to 26 ft. Isolated showers. .SUN NIGHT...W to NW winds 15 to 25 kt. Seas 12 to 21 ft. Chance of showers. .MON...SW winds 15 to 25 kt. Seas 8 to 14 ft. .MON NIGHT...S to SW winds 10 to 20 kt. Seas 11 to 19 ft. .TUE...Variable winds 5 to 15 kt. Seas 13 to 21 ft. .TUE NIGHT...S winds 25 to 35 kt. Seas 10 to 16 ft. .WED...S to SW winds 25 to 35 kt. Seas 11 to 16 ft. .WED NIGHT...S winds 30 to 40 kt. Seas 11 to 16 ft. 45N to Point Saint George .TODAY...SW winds 15 to 25 kt. Seas 9 to 13 ft. Slight chance of showers. .TONIGHT...W winds 20 to 30 kt. Seas 9 to 16 ft. Scattered showers. .SUN...NW winds 20 to 30 kt. Seas 16 to 22 ft. Chance of rain. .SUN NIGHT...N winds 10 to 20 kt. Seas 13 to 20 ft. .MON...N winds 15 to 25 kt. Seas 10 to 15 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft. .TUE...N winds 15 to 25 kt. Seas 12 to 17 ft. .TUE NIGHT...SW winds 20 to 30 kt. Seas 10 to 16 ft. .WED...S to SW winds 15 to 25 kt. Seas 8 to 14 ft. .WED NIGHT...S winds 20 to 30 kt. Seas 9 to 14 ft.