FZPN23 KWNM 181058

OFFN08



NAVTEX Marine Forecast for northern California waters

NWS Ocean Prediction Center Washington DC

358 AM PDT Thu Sep 18 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 weakening cold front will begin to dissipate across

the central and southern waters today as it drifts S-SE. Behind

the front, a trough will develop along the N and Central

California coast today and persist through Thu night, while

strong high pressure builds in from the W. A weak area of low

pressure will develop near the central California coast Fri and

slide slowly SW through Sat, then diminish into a trough by late

Sat while moving W of the regional waters. Another cold front

will move into the N waters Sun into Sun night. A trough will

reform late Sat night along the N and Central California coast,

as ridging becomes established over the northern waters, then

persists through Mon night.



Point Saint George to Point Arena



...GALE WARNING...



.TODAY...N winds 25 to 35 kt. Seas 13 to 20 ft.

.TONIGHT...N winds 25 to 35 kt. Seas 12 to 18 ft.

.FRI...N winds 20 to 30 kt. Seas 9 to 15 ft.

.FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft.

.SAT...N winds 5 to 15 kt. Seas 5 to 8 ft.

.SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.

.SUN...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.

.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft.

.MON...N winds 15 to 25 kt. Seas 7 to 11 ft.

.MON NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft.



Point Arena to Point Piedras Blancas



.TODAY...N winds 20 to 30 kt. Seas 12 to 18 ft.

.TONIGHT...N winds 20 to 30 kt. Seas 10 to 16 ft.

.FRI...N winds 15 to 25 kt. Seas 8 to 13 ft.

.FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft.

.SAT...Variable winds 5 to 15 kt. Seas 5 to 8 ft.

.SAT NIGHT...N to NW winds 5 to 15 kt. Seas 4 to 7 ft.

.SUN...N winds 10 to 20 kt. Seas 4 to 7 ft.

.SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 9 ft.

.MON...N winds 10 to 20 kt. Seas 7 to 11 ft.

.MON NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft.