FZPN23 KWNM 090604 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1004 PM PST Thu Jan 8 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 ridge of high pressure will persist over the waters tonight through Fri night. Meanwhile, a coastal trough will develop off the S and central waters tonight then weaken Fri into Fri night. High pressure will weaken across the N waters Sat as a front stalls across NW portions. Thereafter, high pressure will prevail across the waters Sat night through Tue night. Point Saint George to Point Arena .TONIGHT...N winds 10 to 20 kt. Seas 11 to 16 ft. .FRI...S winds 10 to 20 kt. Seas 8 to 13 ft. .FRI NIGHT...S winds 15 to 25 kt. Seas 7 to 11 ft. .SAT...S winds 10 to 20 kt. Seas 8 to 12 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 8 to 12 ft. .SUN...S winds 10 to 20 kt. Seas 9 to 15 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 8 to 14 ft. .MON...Variable winds 5 to 15 kt. Seas 8 to 12 ft. .MON NIGHT...N winds 5 to 15 kt. Seas 7 to 11 ft. .TUE...N winds 5 to 15 kt. Seas 6 to 10 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. Point Arena to Point Piedras Blancas .TONIGHT...N winds 10 to 20 kt. Seas 11 to 16 ft. .FRI...Variable winds 5 to 15 kt. Seas 8 to 14 ft. .FRI NIGHT...Variable winds 5 to 15 kt. Seas 6 to 10 ft. .SAT...Variable winds 5 to 15 kt. Seas 4 to 8 ft. .SAT NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 8 ft. .SUN...N winds 5 to 15 kt. Seas 7 to 12 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 8 to 12 ft. .MON...N winds 10 to 20 kt. Seas 7 to 11 ft. .MON NIGHT...N winds 5 to 15 kt. Seas 6 to 10 ft. .TUE...N to NE winds 5 to 15 kt. Seas 6 to 10 ft. .TUE NIGHT...N winds 5 to 15 kt. Seas 6 to 9 ft.