FZPN23 KWNM 031039 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 339 AM PDT Thu Jul 3 2025 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...High pressure to the W of the waters will remain nearly stationary through tonight before rebuilding E over the waters Fri into Sat. A low pressure trough over California will persist today into Sat night, then slowly strengthen Sun and Sun night. A dissipating cold front will move into the northern waters this morning. Another dissipating cold front moves into the far NW waters Sat night into Sun. A high pressure ridge will build NW of the region Sun into Mon night while a low pressure trough remains in place along the coast. Point Saint George to Point Arena .TODAY...N to NW winds 20 to 30 kt. Seas 6 to 10 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 5 to 9 ft. .FRI...NW winds 15 to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N to NW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .SUN...N winds 20 to 30 kt. Seas 8 to 11 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. Point Arena to Point Piedras Blancas .TODAY...NW winds 20 to 30 kt. Seas 7 to 12 ft. .TONIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft. .FRI...NW winds 20 to 30 kt. Seas 5 to 8 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 6 to 9 ft. .SAT...NW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .SUN...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 11 ft. .MON...N to NW winds 15 to 25 kt. Seas 7 to 12 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 7 to 10 ft.