FZPN22 KWNM 211039 OFFN07 NAVTEX Marine Forecast for southern California waters NWS Ocean Prediction Center Washington DC 339 AM PDT Mon Sep 21 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 near the California coast today through Fri night while high pressure remains centered to the W and NW of the waters. A weakening cold front will approach the northern California waters Wed night, then move through the northern waters Thu and Thu night and then the central waters Fri and Fri night. Point Piedras Blancas to Point Conception .TODAY...NW winds 10 to 20 kt. Seas 4 to 8 ft. .TONIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE...N winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft. .WED...N winds 15 to 25 kt. Seas 7 to 11 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU...N winds 10 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .FRI...N winds 15 to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. Point Conception to the Mexican border .TODAY...NW winds 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .WED...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft. .THU...N to NW winds 5 to 15 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.