FZPN23 KWNM 311039 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 339 AM PDT Sun May 31 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...A trough will continue to develop along the entire coast today and persist through early Mon. The trough will weaken later on Mon and dissipate on Tue. Thereafter another trough will redevelop on Wed and persist through Thu before weakening again Thu night. High pressure will remain W of the waters today into Mon night, then move over the area on Tue before weakening Tue night. High pressure will rebuild again W of the waters Wed through Thu. Point Saint George to Point Arena ...GALE WARNING... .TODAY...N winds 25 to 35 kt. Seas 9 to 14 ft. .TONIGHT...N winds 25 to 35 kt. Seas 10 to 14 ft. .MON...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .WED...NW winds 15 to 25 kt. Seas 6 to 10 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .THU...N winds 20 to 30 kt. Seas 8 to 12 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. Point Arena to Point Piedras Blancas .TODAY...N to NW winds 20 to 30 kt. Seas 8 to 13 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 8 to 14 ft. .MON...N to NW winds 15 to 25 kt. Seas 7 to 12 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 6 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .WED...NW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .THU...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. .THU NIGHT...N to NW winds 20 to 30 kt. Seas 8 to 13 ft.