FZPN23 KWNM 012244 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 344 PM PDT Tue Sep 1 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 front across the central waters will stall, weaken, and become diffuse overnight tonight. A second front enters the northern waters tomorrow and again becomes diffuse and stationary tomorrow night into Thu. Troughing persists Thu night into Fri as surface low pressure moves inland to the north and a very weak surface low passes N to S through the outer waters by Sat AM. A ridge of high pressure begins building back into northern waters Sun. Point Saint George to Point Arena ...GALE WARNING... .TONIGHT...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...S winds 25 to 35 kt. Seas 6 to 10 ft. Chance of rain with vsby 1 nm or less. .WED NIGHT...W to NW winds 20 to 30 kt. Seas 6 to 11 ft. .THU...W to NW winds 10 to 20 kt. Seas 8 to 13 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .FRI...N to NW winds 5 to 15 kt. Seas 6 to 10 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft. .SAT...N winds 5 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...N to NW winds 5 to 15 kt. Seas 5 to 8 ft. .SUN...NW winds 5 to 15 kt. Seas 5 to 9 ft. .SUN NIGHT...N winds 5 to 15 kt. Seas 5 to 9 ft. Point Arena to Point Piedras Blancas .TONIGHT...W to SW winds 5 to 15 kt. Seas 4 to 6 ft. .WED...SW winds 10 to 20 kt. Seas 4 to 8 ft. .WED NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .THU...S to SW winds 5 to 15 kt. Seas 5 to 8 ft. .THU NIGHT...N to NW winds 5 to 15 kt. Seas 6 to 10 ft. .FRI...N to NW winds 5 to 15 kt. Seas 6 to 10 ft. .FRI NIGHT...N to 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...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft.