311
FZPN36 KWBC 102145
OFFN36

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
245 PM PDT Wed Sep 10 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 weak trough will move S over
the central and southern waters tonight. A weak low pressure
trough will develop just inland from the California coast today
and continue through Sun night. A high pressure ridge will move
slowly E and SE into the region tonight into Sat night, then
weaken Sun. Low pressure will track NE just N of the waters Sat
and Sat night while pulling a cold front over the area. The front
will continue moving S through the central and S waters Sun and
Sun night before weakening Mon. High pressure builds just W of
the region Mon into Mon night.

Point St. George to Point Arena

.TONIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft.
.THU...N winds 5 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...N winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...SW winds 15 to 25 kt. Seas 6 to 8 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft.
.SUN...N winds 10 to 20 kt. Seas 6 to 10 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...N winds 15 to 25 kt. Seas 5 to 9 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.

Point Arena to Santa Cruz Island, CA

.TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...N to NW winds 5 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...NW winds 15 to 25 kt. Seas 6 to 8 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft.
.SUN...N to NW winds 15 to 25 kt. Seas 5 to 8 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.
.MON...N winds 15 to 25 kt. Seas 6 to 10 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.

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

.TONIGHT...NW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.THU...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...NW winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT...NW winds 10 to 20 kt. Seas 4 to 8 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.SUN...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 8 ft.
.MON...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.MON NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.

.Forecaster Anderson. Ocean Prediction Center.