170
FZPN36 KWBC 312157
OFFN36

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
257 PM PDT Thu Jul 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 trough near the California
coast will persist tonight through Mon night. A high pressure
center W of the waters will persist through Tue night while
slowly drifting S. A weak trough or cold front will move into the
northern waters Sun before dissipating Sun night.

Point St. George to Point Arena

.TONIGHT...NW winds 10 to 20 kt. Seas 3 to 6 ft. Areas of fog
with vsby 1 nm or less.
.FRI...NW winds 10 to 20 kt. Seas 3 to 6 ft.
.FRI NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...N winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 6 ft.
.SUN...N winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...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 10 to 20 kt. Seas 4 to 7 ft.
.TUE...NW winds 10 to 20 kt. Seas 4 to 7 ft.
.TUE NIGHT...N to NW winds 10 to 20 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.
.FRI...NW winds 15 to 25 kt. Seas 5 to 8 ft.
.FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN NIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft.
.MON...N to NW winds 15 to 25 kt. Seas 6 to 10 ft.
.MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.TUE...NW winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 8 ft.

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

.TONIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft.
.FRI...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.SAT...NW winds 10 to 20 kt. Seas 5 to 8 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN NIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft.
.MON...NW winds 15 to 25 kt. Seas 6 to 11 ft.
.MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.TUE...NW winds 10 to 20 kt. Seas 5 to 9 ft.
.TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft.

.Forecaster Joseph. Ocean Prediction Center.