837
FZPN23 KWNM 201040
OFFN08

NAVTEX Marine Forecast for northern California waters
NWS Ocean Prediction Center Washington DC
340 AM PDT Wed Aug 20 2025

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 to the W and NW of the N
and central waters through Sat night. A coastal trough will
develop along the entire coast Thu and persist through Sat night
before shifting over the N and central coast Sun and Sun night.

Point Saint George to Point Arena

.TODAY...N to NW winds 20 to 30 kt. Seas 5 to 7 ft.
.TONIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft.
.THU...N to NW winds 20 to 30 kt. Seas 7 to 10 ft.
.THU NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft.
.FRI...N winds 15 to 25 kt. Seas 6 to 9 ft.
.FRI NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT...N winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft.
.SUN...N winds 15 to 25 kt. Seas 5 to 8 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft.

Point Arena to Point Piedras Blancas

.TODAY...NW winds 20 to 30 kt. Seas 4 to 7 ft.
.TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 9 ft.
.THU...N to NW winds 20 to 30 kt. Seas 6 to 9 ft.
.THU NIGHT...N to NW winds 20 to 30 kt. Seas 6 to 9 ft.
.FRI...NW winds 20 to 30 kt. Seas 6 to 9 ft.
.FRI NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT...NW winds 15 to 25 kt. Seas 4 to 7 ft.
.SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN...N to NW winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft.