Expires:No;;832572 FZPN25 KWBC 121543 OFFPZ5 OFFN36 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 850 AM PDT Thu Apr 12 2018 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 over the S waters this morning will move E of the area today. A ridge will build across the N and central waters today and tonight, as a trough develops along the S California coast. The trough will slowly expand N Fri and Fri night, then move SE Sat and Sat night as a cold front moves into the N waters. The front will continue moving SE through the central waters and into the S waters Sun into Sun night. Low pressure will move N of the area Mon, with a ridge building across the region Mon night. Point St. George to Point Arena .TODAY...W to NW winds 15 to 20 kt. Seas 12 to 15 ft. .TONIGHT...W to SW winds diminishing to 5 to 15 kt. Seas 13 to 15 ft. .FRI...SW winds 5 to 15 kt. Seas 12 to 14 ft. .FRI NIGHT...W to SW winds 5 to 15 kt. Seas subsiding to 9 to 11 ft. .SAT...W to SW winds 5 to 15 kt, becoming S to SW. Seas 9 to 11 ft. .SAT NIGHT...SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 9 to 12 ft. .SUN...S winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 10 to 12 ft. .SUN NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas 9 to 11 ft. .MON...W to NW winds 5 to 15 kt. Seas 8 to 10 ft. .MON NIGHT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 8 to 10 ft. Point Arena to Santa Cruz Island, CA .TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 12 to 14 ft. .TONIGHT...NW winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas 12 to 13 ft. .FRI...N to NW winds 5 to 15 kt. Seas 12 to 14 ft. .FRI NIGHT...NW winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas subsiding to 9 to 12 ft. .SAT...N to NW winds 10 to 20 kt, becoming N 5 to 15 kt. Seas 9 to 10 ft. .SAT NIGHT...W to NW winds 5 to 15 kt, becoming W to SW 10 to 15 kt. Seas 9 to 11 ft. .SUN...S to SW winds 10 to 20 kt. Seas 10 to 12 ft. .SUN NIGHT...Winds veering to W 10 to 20 kt. Seas 10 to 11 ft. .MON...W winds 10 to 20 kt, becoming NW. Seas 9 to 11 ft. .MON NIGHT...NW winds 15 to 20 kt, becoming N 10 to 20 kt. Seas 9 to 11 ft. Santa Cruz Island, CA to San Clemente Island, CA...south to Guadalupe Island ...GALE WARNING... .TODAY...NW winds 20 to 30 kt, becoming N to NW 25 to 35 kt. Seas 9 to 15 ft. .TONIGHT...N to NW winds 25 to 35 kt. Seas 10 to 16 ft. .FRI...N winds 20 to 30 kt. Seas 9 to 16 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas subsiding to 8 to 13 ft. .SAT...N to NW winds 10 to 20 kt. Seas 7 to 12 ft. .SAT NIGHT...NW winds 5 to 15 kt. Seas subsiding to 6 to 10 ft. .SUN...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 6 to 10 ft. .MON...NW winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. .Forecaster Donaldson. Honolulu Forecast Office.