251
FZPN23 KWNM 200415
OFFN08

NAVTEX Marine Forecast for northern California waters
NWS Ocean Prediction Center Washington DC
915 PM PDT Sat Apr 19 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...Strong high pressure centered NW of the area will
extend a ridge SE across the N and central waters tonight through
Mon, then gradually weaken through Wed night. A coastal trough
extending along the northern and central California coast will
strengthen tonight, persist through Wed, then become weaker by
Wed night. On Thu and Thu night the coastal trough will dissipate
as a weak cold front moves into the N and central waters. By
later Wed night into Thu night the area of weakening high
pressure will shift further S and pass to the W of the central
and S waters.

Point Saint George to Point Arena

...GALE FORCE WINDS POSSIBLE MON NIGHT...

.TONIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft.
.SUN...N winds 20 to 30 kt. Seas 9 to 13 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft.
.MON...N winds 20 to 30 kt. Seas 10 to 14 ft.
.MON NIGHT...N winds 25 to 35 kt. Seas 9 to 14 ft.
.TUE...N winds 20 to 30 kt. Seas 9 to 14 ft.
.TUE NIGHT...N winds 25 to 35 kt. Seas 10 to 14 ft.
.WED...N winds 20 to 30 kt. Seas 9 to 14 ft.
.WED NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft.
.THU...NW winds 15 to 25 kt. Seas 6 to 10 ft.
.THU NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft.

Point Arena to Point Piedras Blancas

.TONIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft.
.SUN...N winds 20 to 30 kt. Seas 9 to 13 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas 10 to 14 ft.
.MON...N winds 20 to 30 kt. Seas 10 to 14 ft.
.MON NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft.
.TUE...N winds 20 to 30 kt. Seas 9 to 13 ft.
.TUE NIGHT...N to NW winds 20 to 30 kt. Seas 9 to 13 ft.
.WED...N to NW winds 20 to 30 kt. Seas 9 to 13 ft.
.WED NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft.
.THU...NW winds 15 to 25 kt. Seas 6 to 10 ft.
.THU NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 8 ft.