FZPN22 KWNM 202223 OFFN07 NAVTEX Marine Forecast for southern California waters NWS Ocean Prediction Center Washington DC 323 PM PDT Mon Apr 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 cold front will cross the southern waters tonight through Tue night, then pass s of the waters by early Wed. Weakening low pressure area will slowly drift S and SE over the N waters tonight, then move slowly E and SE over the central waters Tue and Tue night. Strengthening high pressure will build in across the N and central portions Wed and Wed night, then maintain a ridge just W of the area Thu into Sat night. A low pressure trough will develop along the California coast Tue night and persist into Fri night. The trough will weaken Fri night as another trough develops across the N and central waters Fri night into Sat night. Point Piedras Blancas to Point Conception .TONIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. Slight chance of rain. .TUE...W winds 10 to 20 kt. Seas 7 to 10 ft. Slight chance of rain. .TUE NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NW winds 10 to 20 kt. Seas 4 to 8 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .THU...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT...W winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 5 to 15 kt. Seas 4 to 7 ft. Point Conception to the Mexican border .TONIGHT...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. .TUE...W to SW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .WED...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .WED NIGHT...NW winds 20 to 30 kt. Seas 8 to 12 ft. .THU...NW winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft. .FRI...NW winds 15 to 25 kt. Seas 5 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.