


Offshore Forecast
Issued by NWS
Issued by NWS
417 FZPN36 KWBC 312057 OFFN36 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 157 PM PDT Sun Aug 31 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 coastal trough will persist along the entire California coast tonight through Wed night, then weaken Thu through Fri night. A N to S oriented ridge of high pressure will persist just W of the regional waters tonight through Tue night, then advance E towards the area Wed through Thu, then move into the waters Thu night through Fri. Point St. George to Point Arena .TONIGHT...N to NW winds 5 to 15 kt, becoming N 10 to 20 kt. Seas 4 to 6 ft. .MON...N winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .TUE...N winds 15 to 25 kt. Seas 4 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .WED...N winds 10 to 20 kt. Seas 5 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .FRI...NW winds 5 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. Point Arena to Santa Cruz Island, CA .TONIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .MON...N winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...NW winds 5 to 15 kt. Seas 4 to 7 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. Santa Cruz Island, CA to San Clemente Island, CA...south to Guadalupe Island .TONIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 5 to 15 kt. Seas 3 to 6 ft. .TUE...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NW winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .Forecaster Futterman. Ocean Prediction Center.