Offshore Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
658
FZPN24 KWNM 190437
OFFN09

NAVTEX Marine Forecast for Washington and Oregon waters
NWS Ocean Prediction Center Washington DC
837 PM 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 W of
Vancouver Island will move slowly NE tonight and Fri while
passing just N of the waters. The low will then dissipate Fri
night. A low pressure trough will move E across the area tonight
into Fri night. A strong cold front will approach from the W 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. Another
low will approach Mon night, move across the waters Tue, and then
pass N of the waters Tue night.

Canadian border to 45N

...GALE WARNING...

.TONIGHT...SW winds 30 to 40 kt. Seas 19 to 28 ft. Rain.
.FRI...W winds 30 to 40 kt. Seas 15 to 24 ft. Rain.
.FRI NIGHT...W winds 20 to 30 kt. Seas 14 to 22 ft. Showers.
.SAT...S to SW winds 25 to 35 kt. Seas 12 to 19 ft. Scattered
showers.
.SAT NIGHT...S winds 35 to 45 kt. Seas 12 to 20 ft.
.SUN...SW winds 35 to 45 kt. Seas 15 to 25 ft.
.SUN NIGHT...W winds 25 to 35 kt. Seas 13 to 20 ft.
.MON...SW winds 15 to 25 kt. Seas 12 to 18 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 9 to 14 ft.
.TUE...E to SE winds 30 to 40 kt. Seas 9 to 14 ft.
.TUE NIGHT...SW winds 30 to 40 kt. Seas 12 to 18 ft.

45N to Point Saint George

...GALE FORCE WINDS POSSIBLE SAT NIGHT...

.TONIGHT...W to SW winds 15 to 25 kt. Seas 16 to 24 ft. Chance
of showers and slight chance of TSTMs.
.FRI...W winds 20 to 30 kt. Seas 14 to 21 ft. Rain.
.FRI NIGHT...W winds 20 to 30 kt. Seas 12 to 20 ft. Showers.
.SAT...SW winds 20 to 30 kt. Seas 10 to 16 ft. Scattered
showers.
.SAT NIGHT...S winds 35 to 45 kt. Seas 12 to 20 ft.
.SUN...S to SW winds 35 to 45 kt. Seas 15 to 23 ft.
.SUN NIGHT...W winds 15 to 25 kt. Seas 12 to 19 ft.
.MON...S to SW winds 10 to 20 kt. Seas 10 to 15 ft.
.MON NIGHT...S winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE...S to SW winds 25 to 35 kt. Seas 9 to 14 ft.
.TUE NIGHT...SW winds 30 to 40 kt. Seas 11 to 16 ft.



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.