


Offshore Forecast
Issued by NWS
Issued by NWS
137 FZPN23 KWNM 061031 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 331 AM PDT Sun Apr 6 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 cold front will move across the central waters today through Mon, then weaken as it enters the southern waters Mon night. Low pressure will quickly move across the northern portions tonight and Mon while pulling a cold front across the northern and central waters. A ridge will rebuild into the central waters behind the fronts Mon and Mon night, strengthen Tue, persist through Wed night, then finally shift S Thu and Thu night. Another cold front will move into the far NW waters Thu, then slowly move SW into the central waters through Thu night. A coastal trough will build over the waters Mon, and persist through Thu night. Point Saint George to Point Arena .TODAY...S winds 15 to 25 kt. Seas 9 to 14 ft. Rain with vsby 1 nm or less. .TONIGHT...S to SW winds 15 to 25 kt. Seas 9 to 14 ft. Rain with vsby 1 nm or less. .MON...W to SW winds 15 to 25 kt. Seas 9 to 15 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 8 to 13 ft. .TUE...S to SW winds 15 to 25 kt. Seas 8 to 13 ft. .TUE NIGHT...SW winds 5 to 15 kt. Seas 6 to 11 ft. .WED...Variable winds 5 to 15 kt. Seas 5 to 8 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .THU...S to SW winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 11 ft. Point Arena to Point Piedras Blancas .TODAY...S to SW winds 10 to 20 kt. Seas 8 to 13 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 8 to 13 ft. .MON...W winds 5 to 15 kt. Seas 9 to 13 ft. .MON NIGHT...NW winds 5 to 15 kt. Seas 7 to 12 ft. .TUE...N to NW winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .WED...N winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. .THU...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.