Offshore Forecast
Issued by NWS
Issued by NWS
498 FZPN23 KWNM 282254 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 254 PM PST Fri Nov 28 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...High pressure across the region will slowly weaken as an area of broad low pressure approaches the northern and central waters from the W tonight. As the low pressure weakens W of the waters Sat and Sat night, high pressure from the N will expand S across the waters. The high pressure ridge will then slowly strengthen across the area Sun through Mon night, then persist through Tue night. While high pressure remains across the northern areas, low pressure will develop across the inner central waters Wed, then slowly drift S and SW across the area through Wed night. A low pressure trough along the California coast will remain in place tonight through Wed night. Point Saint George to Point Arena ...GALE FORCE WINDS POSSIBLE TUE NIGHT... .TONIGHT...SE winds 5 to 15 kt. Seas 5 to 8 ft. .SAT...N winds 5 to 15 kt. Seas 6 to 10 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .SUN...N winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .MON...N winds 15 to 25 kt. Seas 6 to 11 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 9 to 14 ft. .TUE...N winds 20 to 30 kt. Seas 11 to 15 ft. .TUE NIGHT...N winds 30 to 40 kt. Seas 11 to 16 ft. .WED...N winds 25 to 35 kt. Seas 10 to 16 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. Point Arena to Point Piedras Blancas ...GALE FORCE WINDS POSSIBLE TUE NIGHT... .TONIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...N winds 5 to 15 kt. Seas 6 to 10 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 6 to 11 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 11 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .MON...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .TUE...N winds 15 to 25 kt. Seas 9 to 15 ft. .TUE NIGHT...N winds 25 to 35 kt. Seas 10 to 16 ft. .WED...N winds 25 to 35 kt. Seas 11 to 17 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 9 to 15 ft.