FZPN23 KWNM 302130
OFFN08

NAVTEX Marine Forecast for northern California waters
NWS Ocean Prediction Center Washington DC
230 PM PDT Thu Apr 30 2026

Conditions given represent the highest within that period.

...Please refer to Coastal Waters Forecasts (CWF) available
through NOAA Weather Radio and other means for detailed coastal
waters forecasts...

.SYNOPSIS...High pressure will persist W of the area tonight
while weakening, before another high builds NW of the waters Fri
into Sat night. A low pressure trough near California coast will
slowly strengthen tonight into Fri, then gradually weaken Fri
night into Sat night. A weak cold front will move over the
northern waters Fri and Fri night, move over the central waters
Sat and Sat night, then pass through the southern portion Sun and
Sun night. High pressure will weaken NW of the waters Sun and Sun
night while receding W, as a broad trough develops and expands
over the N and central waters Mon into Mon night, and persists
into Tue night.

Point Saint George to Point Arena

.TONIGHT...N to NW winds 20 to 30 kt. Seas 10 to 14 ft.
.FRI...N winds 20 to 30 kt. Seas 9 to 14 ft.
.FRI NIGHT...N winds 20 to 30 kt. Seas 11 to 16 ft.
.SAT...N winds 20 to 30 kt. Seas 9 to 14 ft.
.SAT NIGHT...N winds 15 to 25 kt. Seas 8 to 12 ft.
.SUN...N to NW winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN NIGHT...SW winds less than 10 kt. Seas 6 to 9 ft.
.MON...S to SW winds less than 10 kt. Seas 5 to 8 ft.
.MON NIGHT...W to NW winds less than 10 kt. Seas 5 to 7 ft.
.TUE...NW winds 5 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...N winds 5 to 15 kt. Seas 4 to 6 ft.

Point Arena to Point Piedras Blancas

.TONIGHT...N to NW winds 15 to 25 kt. Seas 8 to 14 ft.
.FRI...N winds 20 to 30 kt. Seas 8 to 14 ft.
.FRI NIGHT...N to NW winds 20 to 30 kt. Seas 9 to 16 ft.
.SAT...N to NW winds 15 to 25 kt. Seas 7 to 12 ft.
.SAT NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 11 ft.
.SUN...W to NW winds 10 to 20 kt. Seas 6 to 10 ft.
.SUN NIGHT...W winds 5 to 15 kt. Seas 5 to 9 ft.
.MON...SW winds less than 10 kt. Seas 4 to 8 ft.
.MON NIGHT...W to NW winds less than 10 kt. Seas 4 to 7 ft.
.TUE...NW winds less than 10 kt. Seas 3 to 6 ft.
.TUE NIGHT...NW winds 5 to 15 kt. Seas 3 to 6 ft.