Offshore Forecast
Issued by NWS
Issued by NWS
636 FZPN23 KWNM 161040 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 240 AM PST Sun Nov 16 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 low pressure trough will move SE over the S waters early today as a strong cold front approaches from the NW. The strong cold front will move rather quickly SE over the N and central waters today, and then reach the S waters and begin to slow tonight as low pressure develops near the coast. The low will drift SE near the coast Mon as the front crosses the remainder of the S waters. High pressure will build to the W of the area Mon night into Tue as a weakening low lingers near the coast. The high will build over the N waters late Tue into Tue night as the low passes just E and SE of the S waters. The high will dissipate early Wed as another strong cold front approaches from the W and NW. The strong cold front will move E and SE over the N waters late Wed, cross the central waters Wed night, and reach the S waters early Thu. The front will pass SE of the S waters late Thu as high pressure builds to the W of the area. The high will remain centered to the W of the region Thu night as a low pressure trough forms near the coast. A series of secondary cold front or low pressure troughs will cross the N waters Thu into Thu night. Point Saint George to Point Arena ...GALE WARNING... .TODAY...NW winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers. .TONIGHT...NW winds 30 to 40 kt. Seas 11 to 15 ft. Rain with vsby 1 nm or less. .MON...N to NW winds 25 to 35 kt. Seas 13 to 19 ft. Scattered showers. .MON NIGHT...N winds 20 to 30 kt. Seas 10 to 17 ft. Chance of rain. .TUE...N winds 20 to 30 kt. Seas 9 to 13 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. .WED...S winds 20 to 30 kt. Seas 6 to 10 ft. .WED NIGHT...W winds 25 to 35 kt. Seas 9 to 15 ft. .THU...W winds 20 to 30 kt. Seas 15 to 22 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 13 to 21 ft. Point Arena to Point Piedras Blancas ...GALE WARNING... .TODAY...W to NW winds 20 to 30 kt. Seas 5 to 9 ft. Chance of rain with vsby 1 nm or less. .TONIGHT...NW winds 30 to 40 kt. Seas 10 to 15 ft. Showers and scattered tstms. .MON...NW winds 25 to 35 kt. Seas 13 to 19 ft. Rain with vsby 1 nm or less. .MON NIGHT...N winds 15 to 25 kt. Seas 10 to 17 ft. Scattered showers. .TUE...N winds 20 to 30 kt. Seas 9 to 14 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft. .WED...S winds 15 to 25 kt. Seas 6 to 11 ft. .WED NIGHT...NW winds 20 to 30 kt. Seas 7 to 13 ft. .THU...NW winds 15 to 25 kt. Seas 12 to 20 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 15 to 22 ft.