


Offshore Forecast
Issued by NWS
Issued by NWS
718 FZPN36 KWBC 140329 OFFN36 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 829 PM PDT Wed Aug 13 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 trough along the California coast will persist tonight through Fri night. The coastal trough will slowly begin to dissipate as a strong cold front will approach the northern waters Fri night into Sat. The front will slowly move into the central waters Sat night and then dissipate across the southern waters Sun. High pressure will build in across the central and southern waters Sun into Sun night and persist through Mon night while a weak surface trough moves across N portions. Point St. George to Point Arena .TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .FRI...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft. .SAT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 5 to 7 ft. .SUN...NW winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...W to NW winds less than 10 kt. Seas 5 to 6 ft. .MON...S to SW winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. Point Arena to Santa Cruz Island, CA .TONIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .FRI...NW winds 20 to 30 kt. Seas 7 to 11 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 5 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NW winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. Santa Cruz Island, CA to San Clemente Island, CA...south to Guadalupe Island .TONIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. .THU...NW winds 15 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. .FRI...NW winds 10 to 20 kt. Seas 4 to 8 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 3 to 6 ft. .MON...NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. .Forecaster Anderson. Ocean Prediction Center.