


Offshore Forecast
Issued by NWS
Issued by NWS
897 FZPN23 KWNM 032209 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 309 PM PDT Sun Aug 3 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 near the California coast will persist tonight through Tue night. A high pressure center W of the waters will persist tonight through Tue while slowly drifting S and dissipating before a stronger high pressure center builds in from the west late Tue and then persists through Wed night. A weak front or surface trough will move across the N waters Wed night, the central waters Thu, and then dissipate Thu night. High pressure will the prevail across the remainder of the region Wed through Fri night. Point Saint George to Point Arena .TONIGHT...N to NW winds 20 to 30 kt. Seas 5 to 8 ft. .MON...NW winds 20 to 30 kt. Seas 5 to 8 ft. .MON NIGHT...N to NW winds 20 to 30 kt. Seas 5 to 7 ft. .TUE...NW winds 20 to 30 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 20 to 30 kt. Seas 4 to 7 ft. .WED...W to NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .THU...N winds 10 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .FRI...N winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. Point Arena to Point Piedras Blancas .TONIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...NW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. .WED...NW winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 9 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft. .FRI...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 10 ft.