


Offshore Forecast
Issued by NWS
Issued by NWS
979 FZPN23 KWNM 312131 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 231 PM PDT Sun Aug 31 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 coastal trough will persist along the entire California coast tonight through Wed night, then weaken Thu through Fri night. A N to S oriented ridge of high pressure will persist just W of the regional waters tonight through Tue night, then advance E towards the area Wed through Thu, then move into the waters Thu night through Fri. Point Saint George to Point Arena .TONIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .MON...N to NW winds 20 to 30 kt. Seas 5 to 8 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 6 to 9 ft. .TUE...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .WED...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU...N winds 10 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 3 to 6 ft. Point Arena to Point Piedras Blancas .TONIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .MON...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .WED...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .THU...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...NW winds 5 to 15 kt. Seas 4 to 7 ft. .FRI NIGHT...NW winds 5 to 15 kt. Seas 4 to 6 ft.