


Offshore Forecast
Issued by NWS
Issued by NWS
177 FZPN23 KWNM 172135 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 235 PM PDT Fri Oct 17 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 trough along the California Coast will persist tonight through Sat. A cold front will move S over the N waters tonight before dissipating. Then another cold front will move in across the N waters Sat night through Sun, then dissipate across the central waters late Sun. A coastal trough will rebuild along the northern and central California Coastal waters Sun night into Mon and persist through Mon night then weaken Tue through Wed and dissipate Wed night. Point Saint George to Point Arena .TODAY...N to NW winds 20 to 30 kt. Seas 7 to 10 ft. .TONIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft. .SAT...N winds 10 to 20 kt. Seas 9 to 14 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 8 to 13 ft. .SUN...N winds 15 to 25 kt. Seas 11 to 18 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 12 to 18 ft. .MON...N winds 20 to 30 kt. Seas 11 to 17 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .TUE...N winds 15 to 25 kt. Seas 9 to 15 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 11 to 15 ft. Point Arena to Point Piedras Blancas .TODAY...N winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 12 ft. .SAT...N winds 10 to 20 kt. Seas 8 to 12 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 10 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 10 to 16 ft. .MON...N winds 15 to 25 kt. Seas 10 to 16 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. .TUE...N winds 15 to 25 kt. Seas 8 to 13 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 9 to 14 ft.