Offshore Forecast
Issued by NWS

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116
FZPN24 KWNM 181704
OFFN09

NAVTEX Marine Forecast for Washington and Oregon waters
NWS Ocean Prediction Center Washington DC
1004 AM PDT Sat Oct 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 warm front moving E over the area will quickly be
followed by a cold front moving E across the waters later today
into tonight before moving inland Sun. The associated low
pressure system will track E tonight, remaining N of the waters
and quickly weakening. However, significant swell generated by
this system will move E into the waters tonight. The swell will
then gradually diminish Sun and Sun night. A high pressure ridge
will build NE across the waters Sun night through Mon. Another
weaker cold front will move E and then SE across the waters Mon
night before dissipating on Tue. High pressure ridging will
follow the front on Tue, before quickly moving inland ahead of
the next cold front, passing over the waters Tue night into Wed.
Yet another stronger cold front is expected to move E across the
area late Wed night.

Canadian border to 45N

...GALE WARNING...

.TODAY...S to SW winds 20 to 30 kt. Seas 10 to 15 ft. Rain.
.TONIGHT...W winds 30 to 40 kt. Seas 13 to 22 ft. Scattered
showers and slight chance of tstms.
.SUN...W to NW winds 25 to 35 kt. Seas 17 to 26 ft. Isolated
showers.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 12 to 21 ft. Chance
of showers.
.MON...SW winds 15 to 25 kt. Seas 8 to 14 ft.
.MON NIGHT...S to SW winds 10 to 20 kt. Seas 11 to 19 ft.
.TUE...Variable winds 5 to 15 kt. Seas 13 to 21 ft.
.TUE NIGHT...S winds 25 to 35 kt. Seas 10 to 16 ft.
.WED...S to SW winds 25 to 35 kt. Seas 11 to 16 ft.
.WED NIGHT...S winds 30 to 40 kt. Seas 11 to 16 ft.

45N to Point Saint George

.TODAY...SW winds 15 to 25 kt. Seas 9 to 13 ft. Slight chance of
showers.
.TONIGHT...W winds 20 to 30 kt. Seas 9 to 16 ft. Scattered
showers.
.SUN...NW winds 20 to 30 kt. Seas 16 to 22 ft. Chance of rain.
.SUN NIGHT...N winds 10 to 20 kt. Seas 13 to 20 ft.
.MON...N winds 15 to 25 kt. Seas 10 to 15 ft.
.MON NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft.
.TUE...N winds 15 to 25 kt. Seas 12 to 17 ft.
.TUE NIGHT...SW winds 20 to 30 kt. Seas 10 to 16 ft.
.WED...S to SW winds 15 to 25 kt. Seas 8 to 14 ft.
.WED NIGHT...S winds 20 to 30 kt. Seas 9 to 14 ft.