FZPN23 KWNM 280947 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 247 AM PDT Tue Oct 28 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 along the California coast will persist today through Sat night. High pressure will slowly shift SW across the waters and persist through Sat night. A cold front will move into the northern waters Wed, then dissipate over the area Wed night. Another cold front will move into the northern waters late Fri night then move slowly S Sat before stalling over the area Sat night. Point Saint George to Point Arena .TODAY...NW winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 11 ft. .WED...N winds 20 to 30 kt. Seas 9 to 14 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 11 to 15 ft. .THU...N to NW winds 15 to 25 kt. Seas 8 to 13 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .FRI...SW winds 10 to 20 kt. Seas 6 to 10 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 9 to 15 ft. .SAT...SW winds 10 to 20 kt. Seas 11 to 16 ft. .SAT NIGHT...N to NW winds 5 to 15 kt. Seas 9 to 14 ft. Point Arena to Point Piedras Blancas .TODAY...N winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .WED...N winds 15 to 25 kt. Seas 5 to 9 ft. .WED NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 12 ft. .THU...N to NW winds 20 to 30 kt. Seas 8 to 12 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .FRI...N to NW winds 15 to 25 kt. Seas 7 to 11 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT...N to NW winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...N to NW winds 15 to 25 kt. Seas 8 to 12 ft.