FZPN23 KWNM 142216 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 316 PM PDT Tue Apr 14 2026 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 centered W of the central waters will weaken tonight as a cold front approaches from the N and NW. The cold front will move into the N waters later tonight into early Wed, the central waters Wed into early Wed night, then weaken and dissipate as it moves into the S waters later Wed night into Thu. High pressure will rebuild into the N and central areas behind the cold front Wed night into Thu night and becoming weaker through Fri night. A weak coastal trough will form along California tonight into Wed, strengthen Wed night into Thu along the central and N areas, then expand along the entire coast later Thu through Fri. The trough will weaken early Fri into Fri night. A cold front will approach the N waters late Fri night into Sat then move SE over the N and central waters Sat and Sat night, then over the central and S waters Sun and Sun night. An associated low pressure is expected to track SE into the N waters Sun and Sun night. Point Saint George to Point Arena .TONIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .WED...N winds 15 to 25 kt. Seas 5 to 9 ft. Chance of rain. .WED NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .THU...N winds 20 to 30 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 11 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...W to SW winds 10 to 20 kt. Seas 10 to 17 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 12 to 18 ft. Point Arena to Point Piedras Blancas ...GALE WARNING... .TONIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .THU...N winds 25 to 35 kt. Seas 8 to 13 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft. .FRI...N winds 15 to 25 kt. Seas 7 to 12 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...W to NW winds 10 to 20 kt. Seas 7 to 12 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 11 to 17 ft.