


Offshore Forecast
Issued by NWS
Issued by NWS
177 FZPN23 KWNM 080431 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 931 PM PDT Mon Jul 7 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 ridge will persist NW of the region tonight, then weaken Tue as a cold front approaches from the NW. The weakening front will move into the northern waters Tue night. High pressure will rebuild NW of the waters Wed into Wed night and persist through Sat night. A low pressure trough near the California coastline will gradually weaken tonight through Tue, strengthen Tue night into Fri night, then gradually weaken Sat into Sat night. Point Saint George to Point Arena .TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .WED...N to NW winds 15 to 25 kt. Seas 3 to 6 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 4 to 7 ft. .THU...N winds 20 to 30 kt. Seas 6 to 10 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .FRI...N winds 20 to 30 kt. Seas 8 to 12 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .SAT...N winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 8 to 12 ft. Point Arena to Point Piedras Blancas .TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...Variable winds 5 to 15 kt. Seas 4 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N to NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .THU...N to NW winds 20 to 30 kt. Seas 7 to 11 ft. .THU NIGHT...N to NW winds 20 to 30 kt. Seas 8 to 12 ft. .FRI...NW winds 20 to 30 kt. Seas 7 to 12 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 11 ft. .SAT...N winds 15 to 25 kt. Seas 7 to 12 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.