FZPN23 KWNM 301749 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1049 AM PDT Tue Jun 30 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 persist along the California coast today through Sat night. High pressure will remain centered W of the waters today through Sat night. A weak cold front will move S into the N waters Fri before quickly dissipating. Point Saint George to Point Arena ...GALE WARNING... .TODAY...N winds 25 to 35 kt. Seas 11 to 15 ft. .TONIGHT...N winds 25 to 35 kt. Seas 10 to 15 ft. .WED...N winds 25 to 35 kt. Seas 11 to 15 ft. .WED NIGHT...N winds 25 to 35 kt. Seas 9 to 15 ft. .THU...N winds 20 to 30 kt. Seas 8 to 12 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...N winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Point Arena to Point Piedras Blancas ...GALE WARNING... .TODAY...N winds 25 to 35 kt. Seas 10 to 15 ft. .TONIGHT...N winds 25 to 35 kt. Seas 10 to 15 ft. .WED...N to NW winds 25 to 35 kt. Seas 10 to 15 ft. .WED NIGHT...N to NW winds 25 to 35 kt. Seas 9 to 15 ft. .THU...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft.