


Offshore Forecast
Issued by NWS
Issued by NWS
518 FZPN22 KWNM 181703 OFFN07 NAVTEX Marine Forecast for southern California waters NWS Ocean Prediction Center Washington DC 1003 AM PDT Sat Oct 18 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...A trough along the California coast will persist today. A weak high pressure ridge will build S into the outer northern waters today, followed by a cold front moving SE across the northern waters tonight through Sun. The front will then move SW away from the central waters Sun night, as ridging returns to the outer northern waters, and the coastal trough rebuilds along the northern and central California coast. The coastal trough will persist through Mon night then gradually weaken Tue through Wed. It will dissipate Wed night as a cold front moves SE into the northern waters. Point Piedras Blancas to Point Conception .TODAY...N to NW winds 5 to 15 kt. Seas 7 to 11 ft. .TONIGHT...N to NW winds 5 to 15 kt. Seas 7 to 11 ft. .SUN...N to NW winds 5 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 11 ft. .MON...N to NW winds 10 to 20 kt. Seas 9 to 14 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 7 to 13 ft. .TUE...W winds 5 to 15 kt. Seas 6 to 10 ft. .TUE NIGHT...W winds less than 10 kt. Seas 7 to 11 ft. .WED...NW winds less than 10 kt. Seas 7 to 11 ft. .WED NIGHT...NW winds 5 to 15 kt. Seas 6 to 10 ft. Point Conception to the Mexican border .TODAY...NW winds less than 10 kt. Seas 6 to 9 ft. .TONIGHT...N to NW winds less than 10 kt. Seas 6 to 9 ft. .SUN...NW winds 5 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 5 to 15 kt. Seas 5 to 8 ft. .MON...NW winds less than 10 kt. Seas 6 to 10 ft. .MON NIGHT...W to NW winds less than 10 kt. Seas 8 to 11 ft. .TUE...W winds less than 10 kt. Seas 6 to 10 ft. .TUE NIGHT...W winds 5 to 15 kt. Seas 5 to 9 ft. .WED...W to NW winds 5 to 15 kt. Seas 6 to 10 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft.