


Offshore Forecast
Issued by NWS
Issued by NWS
555 FZPN23 KWNM 081029 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 329 AM PDT Mon Sep 8 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...Weak low pressure will move E over the northern waters today and move towards the coast late this afternoon and inland tonight. A cold front extending S from the low will move SE through the central and northern waters today into tonight before moving across the southern waters late tonight into Tue. A weakening high pressure area will build to the W of the N and central outer waters Tue into Wed then persist into Fri night. A ridge extending NE from the high will slowly move SE into the outer northern and central waters Thu night through Fri night. Point Saint George to Point Arena .TODAY...S to SE winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .TONIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. Isolated showers. .TUE...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. Isolated showers with vsby 1 nm or less. .TUE NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .FRI...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 5 to 8 ft. Point Arena to Point Piedras Blancas .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Isolated showers. .TONIGHT...W to NW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers. .WED...NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .THU...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...NW winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft.