978
FZPN36 KWBC 181544
OFFN36

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
844 AM PDT Fri Apr 18 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 W of the waters
will gradually weaken through tonight as a cold front approaches
the N waters from the NW. The cold front will move across the N
waters Sat, then dissipate across the central waters Sat night.
High pressure centered NW of the area will extend a ridge SE
across the region Sat night through Sun night, then gradually
weaken through Tue night. A coastal trough will persist across
northern and central CA coast through tonight, strengthen Sat and
Sat night, then persist through Tue night.

Point St. George to Point Arena

.TODAY...N winds 15 to 25 kt. Seas 7 to 10 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.SAT...N winds 20 to 30 kt. Seas 8 to 12 ft.
.SAT NIGHT...N winds 20 to 30 kt. Seas 9 to 15 ft.
.SUN...N winds 20 to 30 kt. Seas 9 to 15 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft.
.MON...N winds 20 to 30 kt. Seas 8 to 14 ft.
.MON NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.
.TUE...N winds 20 to 30 kt. Seas 8 to 14 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft.

Point Arena to Santa Cruz Island, CA

.TODAY...N to NW winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.
.SAT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN...N winds 20 to 30 kt. Seas 9 to 15 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft.
.MON...N winds 20 to 30 kt. Seas 8 to 14 ft.
.MON NIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft.
.TUE...N winds 20 to 30 kt. Seas 8 to 13 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft.

Santa Cruz Island, CA to San Clemente Island, CA...south to
Guadalupe Island

.TODAY...NW winds 10 to 15 kt. Seas 5 to 8 ft.
.TONIGHT...NW winds 5 to 15 kt. Seas 4 to 7 ft.
.SAT...N to NW winds 5 to 15 kt. Seas 4 to 7 ft.
.SAT NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.SUN...N to NW winds 5 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft.
.MON...N to NW winds 10 to 20 kt. Seas 6 to 10 ft.
.MON NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft.
.TUE...N to NW winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft.

.Forecaster Huffman. Ocean Prediction Center.