


Offshore Forecast
Issued by NWS
Issued by NWS
085 FZPN23 KWNM 071821 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1121 AM PDT Tue Oct 7 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 will weaken along the California coast today into Wed. A cold front will move S into the northern waters tonight, then continue moving slowly S through the northern and central waters Wed through Thu while gradually dissipating. Low pressure N of the waters will drift S to near or just into the far northern waters Thu night and Fri, then move inland and dissipate Fri night. A coastal trough will build along the California coast Sat and Sat night as high pressure builds across the waters from the W. Point Saint George to Point Arena .TODAY...N winds 10 to 20 kt. Seas 5 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .WED...N winds 15 to 25 kt. Seas 5 to 8 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .THU...SW winds 10 to 20 kt. Seas 5 to 9 ft. .THU NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 8 ft. .FRI...S to SW winds 10 to 20 kt. Seas 5 to 9 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft. .SAT...N winds 10 to 20 kt. Seas 6 to 10 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Point Arena to Point Piedras Blancas ...GALE FORCE WINDS POSSIBLE SAT... .TODAY...N winds less than 10 kt. Seas 4 to 6 ft. Areas of fog with vsby 1 nm or less. .TONIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. .WED...N winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 5 to 8 ft. .FRI...W winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft. .SAT...N to NW winds 25 to 35 kt. Seas 6 to 10 ft. .SAT NIGHT...N winds 30 to 40 kt. Seas 7 to 11 ft.