FZPN23 KWNM 290335 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 835 PM PDT Sat Mar 28 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 surface trough will persist along the California coast tonight through Tue. A cold front will approach from the NW Tue and cross the N waters Tue night into Wed before continuing S through Wed night. A secondary weak trough will move across the N waters Wed night into early Thu. High pressure will then build in across the waters Thu night while a surface trough develops along the coast. The NAVTEX station at Astoria, Oregon has been reported as inoperative. Technicians are aware. Point Saint George to Point Arena .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .SUN...N winds 15 to 25 kt. Seas 5 to 8 ft. .SUN NIGHT...N to NE winds 15 to 25 kt. Seas 5 to 9 ft. .MON...N winds 20 to 30 kt. Seas 6 to 10 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...S to SW winds less than 10 kt. Seas 4 to 7 ft. .TUE NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...S to SW winds 15 to 25 kt. Seas 6 to 10 ft. .WED NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft. .THU...N winds 15 to 25 kt. Seas 10 to 15 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. Point Arena to Point Piedras Blancas ...GALE FORCE WINDS POSSIBLE THU NIGHT... .TONIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .SUN...N winds 10 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .MON...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...W to NW winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. .THU...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 8 to 12 ft.