


Offshore Forecast
Issued by NWS
Issued by NWS
106 FZPN23 KWNM 181737 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1037 AM PDT Mon Aug 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...Low pressure over the southern waters will slide E along a stalled boundary today and dissipate tonight. High pressure will build over the waters Tue then persist into Fri night. A coastal trough will develop Thu and persist into Fri night. Point Saint George to Point Arena .TODAY...S to SW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .TUE...NW winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 7 ft. .WED...NW winds 20 to 30 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 5 to 8 ft. .THU...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Point Arena to Point Piedras Blancas .TODAY...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...NW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.