FZPN23 KWNM 141623 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 923 AM 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 N and central waters will remain today, before weakening tonight as a cold front approaches from the N and NW. The cold front will move into the N waters Wed, the central waters Wed night, then weaken and dissipate as it moves into the S waters Thu into Thu night. High pressure will rebuild into the N and central areas behind the cold front Wed night into 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 Thu night into Fri. The trough will weaken later Fri into Fri night. A cold front will approach the N waters late Fri night and move SE over the N and central waters Sat and Sat night. Point Saint George to Point Arena .TODAY...W to NW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. .WED...N winds 10 to 20 kt. Seas 5 to 8 ft. Chance of rain. .WED NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft. .THU...N winds 20 to 30 kt. Seas 7 to 11 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .FRI...N winds 15 to 25 kt. Seas 7 to 12 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...S winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 5 to 8 ft. Point Arena to Point Piedras Blancas ...GALE FORCE WINDS POSSIBLE THU... .TODAY...NW winds 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. .WED...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...N winds 20 to 30 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 8 to 13 ft. .FRI...N winds 15 to 25 kt. Seas 7 to 12 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...N to NW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft.