FZPN22 KWNM 170420 OFFN07 NAVTEX Marine Forecast for southern California waters NWS Ocean Prediction Center Washington DC 920 PM PDT Wed Sep 16 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 along the California coast tonight through Mon night. High pressure will remain centered to the NW of the waters tonight through Mon night. Point Piedras Blancas to Point Conception .TONIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .THU...NW winds 5 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...N to NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. Point Conception to the Mexican border .TONIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .THU...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 4 to 6 ft.