


Offshore Forecast
Issued by NWS
Issued by NWS
492 FZPN23 KWNM 042235 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 335 PM PDT Fri Jul 4 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...High pressure will continue across the far NW portion tonight through Sat, then will diminish Sat night. A ridge will rebuild NW of the region Sun into Mon night, 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. A low pressure trough over California will continue into Sat night, then slowly strengthen Sun and Sun night. The trough will gradually weaken Mon through Tue before slowly strengthening Tue night into Wed night. Point Saint George to Point Arena .TONIGHT...N to NW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...N to NW winds 20 to 30 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft. .SUN...N winds 20 to 30 kt. Seas 7 to 11 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. Point Arena to Point Piedras Blancas .TONIGHT...NW winds 20 to 30 kt. Seas 5 to 8 ft. .SAT...NW winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN...NW winds 15 to 25 kt. Seas 6 to 10 ft. .SUN NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 11 ft. .MON...N to NW winds 15 to 25 kt. Seas 8 to 12 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft. .TUE...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.