FZPN23 KWNM 050628 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1028 PM PST Wed Mar 4 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 low pressure trough along the central and southern California coast will weaken through tonight while a cold front moves through the waters from N to S. High pressure will build W of the waters behind the front tonight into Fri night, then persist just W of the area Sat into Sun night while slowly weakening, then rebuild W of the northern and central waters Mon and Mon night while another cold front crosses the waters from N to S. A coastal low pressure trough will redevelop Thu, expand along the entire coast Thu night and then persist through Mon night. Point Saint George to Point Arena ...GALE WARNING... .TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU...N winds 20 to 30 kt. Seas 7 to 12 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 9 to 13 ft. .FRI...N winds 20 to 30 kt. Seas 9 to 13 ft. .FRI NIGHT...N winds 25 to 35 kt. Seas 8 to 13 ft. .SAT...N winds 20 to 30 kt. Seas 8 to 12 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .SUN...N winds 20 to 30 kt. Seas 8 to 12 ft. .SUN NIGHT...N winds 25 to 35 kt. Seas 9 to 13 ft. .MON...N winds 25 to 35 kt. Seas 10 to 14 ft. .MON NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft. Point Arena to Point Piedras Blancas ...GALE WARNING... .TONIGHT...N winds 25 to 35 kt. Seas 7 to 11 ft. .THU...N winds 25 to 35 kt. Seas 8 to 14 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 9 to 15 ft. .FRI...N winds 25 to 35 kt. Seas 9 to 15 ft. .FRI NIGHT...N winds 25 to 35 kt. Seas 9 to 14 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 12 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SUN...N winds 20 to 30 kt. Seas 7 to 11 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON...N winds 25 to 35 kt. Seas 9 to 14 ft. .MON NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft.