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
000
FZPN35 KWBC 191004
OFFN35

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
204 AM PST Fri Jan 19 2018

Washington and Oregon waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Conditions given represent the highest within that period.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A strong low
pressure system centered 150 NM W of Vancouver Island will move
slowly N today into tonight and gradually weaken. A low pressure
trough will drift E across the area today into tonight. A strong
cold front will approach from the W early Sat, and then pass E
and SE across the waters late Sat into Sun as developing low
pressure races NE along the front. Another low will pass 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 from the SW Mon
night, move NE over the NW portion Tue, and then pass N of the
area Tue night.

Cape Flattery to Cape Lookout

...STORM WARNING...

.TODAY...W to SW winds 30 to 40 kt. Seas 18 to 26 ft. Rain.
.TONIGHT...W winds 20 to 30 kt. Seas 15 to 22 ft. Scattered
showers.
.SAT...S to SW winds 30 to 40 kt. Seas 13 to 18 ft. Scattered
showers.
.SAT NIGHT...S winds 40 to 50 kt. Seas 14 to 24 ft. Rain.
.SUN...S to SW winds 35 to 45 kt. Seas 18 to 25 ft.
.SUN NIGHT...W winds 25 to 35 kt. Seas 16 to 21 ft.
.MON...W to SW winds 15 to 25 kt. Seas 11 to 15 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 9 to 13 ft.
.TUE...SE winds increasing to 30 to 40 kt. Seas 9 to 14 ft.
.TUE NIGHT...E to SE winds 30 to 40 kt. Seas 9 to 15 ft.

Cape Lookout to Point St. George

...STORM WARNING...

.TODAY...W winds 20 to 30 kt. Seas 17 to 23 ft. Chance of
showers and slight chance of TSTMs.
.TONIGHT...W to NW winds 20 to 30 kt. Seas 16 to 21 ft.
Scattered showers.
.SAT...W to SW winds 20 to 30 kt. Seas 13 to 17 ft. Scattered
showers.
.SAT NIGHT...S winds increasing to 40 to 50 kt. Seas 14 to 23
ft. Scattered showers.
.SUN...S winds 40 to 50 kt. Seas 18 to 24 ft.
.SUN NIGHT...Winds diminishing to W 15 to 25 kt. Seas 16 to 20
ft.
.MON...Winds becoming S to SW 5 to 15 kt. Seas 11 to 15 ft.
.MON NIGHT...S winds increasing to 20 to 30 kt. Seas 9 to 12 ft.
.TUE...S to SW winds 25 to 35 kt. Seas 10 to 14 ft.
.TUE NIGHT...W to SW winds 25 to 35 kt. Seas 10 to 15 ft.

.Forecaster Mills. Ocean Prediction Center.



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