


Offshore Forecast
Issued by NWS
Issued by NWS
663 FZPN36 KWBC 151530 OFFN36 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 830 AM PDT Thu May 15 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...High pressure will be W of the central waters today then the central and S areas later today through Fri. A cold front will approach from the NW Fri night and move S over the N and central waters Fri night through Sat before dissipating. A coastal trough will persist along much of California through early Fri night and become weaker into early Sat. The coastal trough will expand along the entire coast and strengthen Sat night through Mon especially over the central and S areas before weakening Mon night. High pressure will rebuild over the N and central waters from the W Sat night and persist through Mon night. Point St. George to Point Arena .TODAY...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .TONIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N to NW winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. Point Arena to Santa Cruz Island, CA .TODAY...N winds 15 to 25 kt. Seas 6 to 11 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .FRI...NW winds 20 to 30 kt. Seas 6 to 11 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. .SUN...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...N to NW winds 20 to 30 kt. Seas 9 to 14 ft. .MON...N winds 20 to 30 kt. Seas 9 to 14 ft. .MON NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. Santa Cruz Island, CA to San Clemente Island, CA...south to Guadalupe Island .TODAY...NW winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft. .FRI...NW winds 10 to 20 kt. Seas 6 to 10 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 5 to 9 ft. .SAT NIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft. .SUN...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...NW winds 20 to 30 kt. Seas 8 to 14 ft. .MON...N to NW winds 20 to 30 kt. Seas 9 to 14 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 12 ft. .Forecaster Rowland. Ocean Prediction Center.