Offshore Forecast
Issued by NWS

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698
FZPN23 KWNM 032225
OFFN08

NAVTEX Marine Forecast for northern California waters
NWS Ocean Prediction Center Washington DC
325 PM PDT Wed Sep 3 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...A trough will persist just inland from the California
coast tonight through Thu, then weaken Thu night through Fri
night. A ridge of high pressure just W of the offshore waters
will advance E tonight into Thu, then persist over the N and
Central waters Thu night through Sat night. An area of low
pressure and associated cold front will approach the outer waters
Sat and move E into the N and central waters Sun into Sun night.
The cold front will move SE across the area Mon while weakening.
Another cold front or low pressure trough will approach the far
NW portions later Mon into Mon night.

Point Saint George to Point Arena

.TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft.
.THU...N to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.THU NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...NW winds 5 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 6 ft.
.SAT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.SUN...S to SW winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...W to SW winds less than 10 kt. Seas 3 to 5 ft.
.MON...W winds less than 10 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds less than 10 kt. Seas 3 to 6 ft.

Point Arena to Point Piedras Blancas

.TONIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft.
.THU...NW winds 10 to 20 kt. Seas 5 to 8 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft.
.FRI...NW winds 15 to 25 kt. Seas 4 to 7 ft.
.FRI NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft.
.SAT...NW winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SUN...W to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...W to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft.