


Offshore Forecast
Issued by NWS
Issued by NWS
391 FZPN36 KWBC 121555 OFFN36 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 855 AM PDT Wed Mar 12 2025 California waters- Inner waters from 60 nm to 150 nm offshore. Outer waters from 150 nm to 250 nm offshore. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. .SYNOPSIS FOR CALIFORNIA WATERS...A cold front across the area will continue moving E and SE over the northern and central waters today, and then will progress SE across the central and southern waters tonight and Thu. A warm front will approach the northern and central waters Thu and move across the region Thu night. A cold front will follow, and move across the northern and central waters Thu night into Fri night while weakening. A warm front will approach the waters Sat and move NE across the NW portions, followed by a cold front that will sweep across the northern and central waters Sun and Sun night. Point St. George to Point Arena .TODAY...W to NW winds 10 to 20 kt. Seas 9 to 13 ft. Scattered showers and chance of tstms. .TONIGHT...NW winds 15 to 25 kt. Seas 10 to 14 ft. Scattered showers and tstms. .THU...W to NW winds 10 to 20 kt. Seas 12 to 14 ft. Scattered showers and chance of tstms. .THU NIGHT...S to SW winds 20 to 30 kt. Seas 11 to 14 ft. Showers likely. .FRI...W winds 20 to 30 kt. Seas 12 to 21 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 12 to 21 ft. .SAT...S to SW winds 20 to 30 kt. Seas 12 to 17 ft. .SAT NIGHT...S to SW winds 20 to 30 kt. Seas 11 to 17 ft. .SUN...S to SW winds 20 to 30 kt. Seas 11 to 17 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 12 to 15 ft. Point Arena to Santa Cruz Island, CA .TODAY...W winds 15 to 25 kt. Seas 8 to 14 ft. Scattered showers and chance of tstms. .TONIGHT...W winds 15 to 25 kt. Seas 9 to 15 ft. Scattered showers and tstms. .THU...W to NW winds 15 to 25 kt. Seas 10 to 15 ft. Scattered showers and chance of tstms. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 11 to 15 ft. Chance of showers. .FRI...W winds 15 to 25 kt. Seas 11 to 16 ft. .FRI NIGHT...W to NW winds 10 to 20 kt. Seas 10 to 16 ft. .SAT...W to SW winds 10 to 20 kt. Seas 10 to 15 ft. .SAT NIGHT...S to SW winds 15 to 25 kt. Seas 10 to 13 ft. .SUN...S to SW winds 15 to 25 kt. Seas 9 to 14 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 8 to 14 ft. Santa Cruz Island, CA to San Clemente Island, CA...south to Guadalupe Island .TODAY...SW winds 10 to 20 kt. Seas 5 to 9 ft. Chance of showers. .TONIGHT...W winds 15 to 25 kt. Seas 9 to 14 ft. Scattered showers and chance of tstms. .THU...W winds 15 to 25 kt. Seas 9 to 15 ft. Scattered showers and chance of tstms. .THU NIGHT...NW winds 15 to 25 kt. Seas 9 to 15 ft. .FRI...W winds 15 to 25 kt. Seas 7 to 13 ft. .FRI NIGHT...W to NW winds 10 to 20 kt. Seas 7 to 12 ft. .SAT...NW winds 15 to 25 kt. Seas 7 to 11 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 6 to 11 ft. .SUN...N to NW winds 5 to 15 kt. Seas 6 to 10 ft. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 9 ft. .Forecaster Clark. Ocean Prediction Center.