FZPN23 KWNM 061011 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 311 AM PDT Sun Sep 6 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 weak coastal trough will persist into Mon night, while high pressure builds NW of the waters. Long period swell associated with Hurricane Marie may build into the S waters late today and tonight into Wed. High pressure will expand into the waters Thu into Thu night. Point Saint George to Point Arena .TODAY...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .MON...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...N winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .WED...N winds 15 to 25 kt. Seas 6 to 10 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .THU...N to NE winds 5 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...N to NE winds 10 to 20 kt. Seas 5 to 7 ft. Point Arena to Point Piedras Blancas .TODAY...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .TONIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .MON...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...N winds 15 to 25 kt. Seas 5 to 9 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .WED...N winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...N winds 5 to 15 kt. Seas 4 to 8 ft. .THU...NW winds less than 10 kt. Seas 4 to 7 ft. .THU NIGHT...NW winds 5 to 15 kt. Seas 4 to 7 ft.