Offshore Forecast
Issued by NWS
Issued by NWS
017 FZPN23 KWNM 101039 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC ISSUED BY NWS Honolulu HI 239 AM PST Wed Dec 10 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 shift N along the northern and central coast today through Sat night. High pressure just to the W of the central waters will persist through this evening, then drift N to the W of the N and central waters later tonight through Fri night. The high will slowly weaken Sat and Sat night as a cold front moves into the N portions, then rebuild E across the area Sun and Sun night as the cold front dissipates. Point Saint George to Point Arena .TODAY...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU...N winds 15 to 25 kt. Seas 7 to 11 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 9 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 5 to 8 ft. .SAT...S winds 5 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S to SW winds less than 10 kt. Seas 4 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. Point Arena to Point Piedras Blancas .TODAY...N winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 11 ft. .THU...N winds 10 to 20 kt. Seas 7 to 11 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft. .FRI...N winds 5 to 15 kt. Seas 5 to 9 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 4 to 8 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SUN...S winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft.