FZPN23 KWNM 120452 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 852 PM PST Thu Dec 11 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 low pressure trough will persist along the California coast tonight, gradually shift offshore from the central and southern coast Fri into Sat, and then dissipate Sat night into Sun. High pressure just to the W of the central and northern waters will persist this evening, then drift N to the W of the N waters later tonight through Fri night. The high will slowly weaken Sat and Sat night as a cold front moves into the N portions, then rebuild E across the area Sun into Tue night as the cold front dissipates. Another cold front will move into the N portions Mon and Mon night, then dissipate across the central areas Tue. Yet another cold front will move into the N waters Tue and Tue night. Point Saint George to Point Arena .TONIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 11 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 5 to 9 ft. .SAT...S winds 5 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S to SW winds 5 to 15 kt. Seas 4 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. .MON...S to SW winds 15 to 25 kt. Seas 9 to 14 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 8 to 13 ft. .TUE...W to SW winds 15 to 25 kt. Seas 8 to 12 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 9 to 13 ft. Point Arena to Point Piedras Blancas .TONIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 10 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 4 to 8 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 6 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft. .MON...SW winds 10 to 20 kt. Seas 5 to 9 ft. .MON NIGHT...N to NW winds 5 to 15 kt. Seas 7 to 10 ft. .TUE...W winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft.