Offshore Forecast
Issued by NWS

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FZPN24 KWNM 181746
OFFN09

NAVTEX Marine Forecast for Washington and Oregon waters
NWS Ocean Prediction Center Washington DC
946 AM PST Thu Jan 18 2018

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 strong low pressure system centered 180 NM NW of
the Washington waters will move slowly NE today and tonight, then
stall and weaken N of the waters Fri and Fri night. A low
pressure trough will move E across the area tonight into Fri
night. A strong cold front will approach from the west Sat and
then pass E and SE across the waters Sat night into Sun. Another
low will pass just NW of the waters Sat night into Sun then lift
NW away from the waters Sun night. A high pressure ridge will
build NE over the waters Mon and Mon night.

Canadian border to 45N

...STORM WARNING...

.TODAY...SW winds 40 to 50 kt. Seas 24 to 39 ft. Scattered
showers.
.TONIGHT...SW winds 30 to 40 kt. Seas 18 to 33 ft. Scattered
showers.
.FRI...W winds 30 to 40 kt. Seas 15 to 23 ft. Scattered showers.
.FRI NIGHT...W winds 25 to 35 kt. Seas 15 to 22 ft. Scattered
showers.
.SAT...S winds 25 to 35 kt. Seas 12 to 19 ft.
.SAT NIGHT...S winds 35 to 45 kt. Seas 11 to 18 ft.
.SUN...S to SW winds 35 to 45 kt. Seas 16 to 24 ft.
.SUN NIGHT...W winds 20 to 30 kt. Seas 12 to 20 ft.
.MON...W winds 15 to 25 kt. Seas 12 to 18 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 9 to 14 ft.

45N to Point Saint George

...GALE WARNING...

.TODAY...SW winds 25 to 35 kt. Seas 21 to 31 ft. Scattered
showers.
.TONIGHT...W to SW winds 20 to 30 kt. Seas 15 to 27 ft.
Scattered showers.
.FRI...W to NW winds 20 to 30 kt. Seas 13 to 20 ft. Scattered
showers.
.FRI NIGHT...W to NW winds 20 to 30 kt. Seas 13 to 20 ft.
Scattered showers.
.SAT...SW winds 15 to 25 kt. Seas 10 to 17 ft.
.SAT NIGHT...S winds 35 to 45 kt. Seas 11 to 18 ft.
.SUN...S winds 30 to 40 kt. Seas 16 to 24 ft.
.SUN NIGHT...W winds 20 to 30 kt. Seas 11 to 19 ft.
.MON...W to SW winds 10 to 20 kt. Seas 10 to 16 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 8 to 13 ft.


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