FZPN23 KWNM 202206 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 306 PM PDT Fri Mar 20 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 into tonight, while high pressure remains in place over the outer central to northern waters. A cold front will move S through the northern and central waters tonight into Sat. A new area of high pressure will build across the N and central waters Sat through Sun night while the California coastal trough remains in place. A warm front will clip the NW waters as high pressure gets suppressed to the S Mon into Mon night. A cold front will move across the N waters Tue and approach the central waters Tue night into Wed, then dissipate as it move into the S California waters Wed night. Point Saint George to Point Arena ...GALE FORCE WINDS POSSIBLE WED NIGHT... .TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 9 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 10 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...N winds 20 to 30 kt. Seas 10 to 14 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft. .MON...N winds 15 to 25 kt. Seas 7 to 13 ft. .MON NIGHT...S winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...S to SW winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...N to NW winds 5 to 15 kt. Seas 9 to 13 ft. .WED...N winds 20 to 30 kt. Seas 8 to 13 ft. .WED NIGHT...N winds 30 to 40 kt. Seas 9 to 14 ft. Point Arena to Point Piedras Blancas ...GALE FORCE WINDS POSSIBLE WED NIGHT... .TONIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. .SUN...N winds 20 to 30 kt. Seas 9 to 14 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON...N winds 10 to 20 kt. Seas 7 to 12 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE...NW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .WED...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .WED NIGHT...N winds 25 to 35 kt. Seas 8 to 14 ft.