FZPN23 KWNM 021010 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 310 AM PDT Wed Apr 2 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 build into the area from the W and NW today, then persist through Sat night. A low pressure trough will develop along the California coast today, persist through Fri night, and then weaken Sat and Sat night. A weakening cold front will approach the N and central waters Sat and Sat night, then move slowly across the N waters Sun, and the central waters Sun night. Point Saint George to Point Arena .TODAY...N to NW winds 15 to 25 kt. Seas 7 to 11 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...Variable winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...S winds 5 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...S winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...S winds 10 to 20 kt. Seas 9 to 13 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 9 to 14 ft. Point Arena to Point Piedras Blancas .TODAY...NW winds 20 to 30 kt. Seas 7 to 12 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 10 ft. .THU...N winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .FRI...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 5 to 15 kt. Seas 4 to 8 ft. .SUN...SW winds 10 to 20 kt. Seas 7 to 13 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 9 to 13 ft.