Offshore Forecast
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000
FZNT34 KWBC 120857
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
357 AM EST Tue Dec 12 2017

West central North Atlantic continental shelf and slope waters
beyond 20 nm to 250 nm offshore, including south of Georges Bank
from 1000 fm 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 MID ATLC WATERS...A strong low pressure system will
move from the lower Great Lakes to the Canadian Maritimes today
into Wed, pushing a strong cold front through the region. As the
strong low moves farther north into Canada Wed night, another low
pressure system will move across the northern mid- Atlantic
waters Thu, followed by yet another low pressure system Fri into
Fri night. Weak high pressure will move into the waters Sat and
Sat night.

Hudson Canyon to Baltimore Canyon including the waters west of
39.3N 71.9W...SW to 37.7N 72.9W

...GALE WARNING...

.TODAY...S to SW winds 15 to 25 kt, becoming W to SW 20 to
30 kt. Seas 4 to 8 ft.
.TONIGHT...W to NW winds 30 to 40 kt. Seas 8 to 14 ft.
.WED...W winds 30 to 40 kt. Seas 10 to 18 ft. Scattered snow
showers. VSBY 1 nm or less.
.WED NIGHT...W winds 25 to 35 kt, becoming SW 20 to 30 kt. Seas
9 to 15 ft. Chance of rain.
.THU...W to SW winds 20 to 30 kt, becoming W to NW. Seas 6 to
11 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft.
.FRI...W winds less than 10 kt, increasing to 5 to 15 kt. Seas
3 to 5 ft.
.FRI NIGHT...N to NE winds 5 to 15 kt, becoming NW 15 to 25 kt.
Seas 4 to 7 ft.
.SAT...NW winds 15 to 25 kt, becoming W 20 to 25 kt. Seas 4 to
8 ft.
.SAT NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft.

Baltimore Canyon to the Hague Line south of 1000 fm

...GALE WARNING...
...STORM FORCE WINDS POSSIBLE THU...

.TODAY...S to SW winds 15 to 25 kt, increasing to 25 to 35 kt.
Seas 7 to 11 ft. Scattered showers and TSTMs.
.TONIGHT...W to SW winds 35 to 45 kt. Seas 12 to 20 ft. Rain.
VSBY 1 nm or less.
.WED...W winds 35 to 45 kt. Seas 14 to 24 ft. Scattered showers
with VSBY 1 nm or less.
.WED NIGHT...W winds 35 to 45 kt. Seas 16 to 26 ft. Scattered
showers.
.THU...W to SW winds 35 to 45 kt, increasing to 40 to 55 kt.
Seas 12 to 21 ft.
.THU NIGHT...W to NW winds 25 to 35 kt, diminishing to 20 to
30 kt. Seas 11 to 19 ft.
.FRI...W winds 5 to 15 kt. Seas 8 to 13 ft.
.FRI NIGHT...NE winds 5 to 15 kt, becoming W to NW 20 to 30 kt.
Seas 6 to 11 ft.
.SAT...W to NW winds 30 to 40 kt. Seas 9 to 16 ft.
.SAT NIGHT...W to NW winds 25 to 35 kt. Seas 10 to 17 ft.

Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W

...GALE WARNING...

.TODAY...SW winds 15 to 20 kt, increasing to 25 to 35 kt. Seas
7 to 12 ft. Scattered showers.
.TONIGHT...W to SW winds 35 to 45 kt. Seas 11 to 18 ft.
Scattered showers. VSBY 1 nm or less.
.WED...W winds 30 to 40 kt. Seas 13 to 21 ft. Scattered showers.
VSBY 1 nm or less.
.WED NIGHT...W winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas
13 to 19 ft, subsiding to 8 to 13 ft.
.THU...W to SW winds 35 to 45 kt. Seas 11 to 18 ft.
.THU NIGHT...W to NW winds 20 to 30 kt, becoming N to NW 10 to
20 kt. Seas 10 to 16 ft.
.FRI...Variable winds less than 10 kt, becoming SW 15 to 25 kt.
Seas 4 to 8 ft.
.FRI NIGHT...W to SW winds 15 to 25 kt, becoming W to NW 25 to
35 kt. Seas 8 to 13 ft.
.SAT...NW winds 25 to 35 kt, becoming W. Seas 8 to 13 ft.
.SAT NIGHT...W winds 15 to 25 kt. Seas 6 to 11 ft.

Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W

...GALE WARNING...

.TODAY...SW winds 15 to 20 kt, increasing to 25 to 35 kt. Seas
5 to 8 ft, building to 8 to 13 ft. Scattered showers.
.TONIGHT...W to NW winds 30 to 40 kt. Seas 11 to 18 ft.
Scattered showers. VSBY 1 nm or less.
.WED...W to NW winds 25 to 35 kt, becoming W 20 to 30 kt. Seas
12 to 19 ft.
.WED NIGHT...W winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas
10 to 16 ft.
.THU...W to SW winds 25 to 35 kt. Seas 9 to 15 ft.
.THU NIGHT...W winds 20 to 30 kt, diminishing to 10 to 20 kt.
Seas 8 to 14 ft.
.FRI...W to SW winds 5 to 15 kt, increasing to 15 to 25 kt. Seas
5 to 8 ft.
.FRI NIGHT...W winds 20 to 30 kt, becoming W to NW 25 to 35 kt.
Seas 8 to 13 ft.
.SAT...NW winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas
8 to 13 ft.
.SAT NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 6 to 10 ft.

Cape Fear to 31N out to 32N 73W to 31N 74W

...GALE WARNING...

.TODAY...W to SW winds 15 to 25 kt, increasing to 30 to 40 kt.
Seas 7 to 12 ft. Scattered showers.
.TONIGHT...W to NW winds 30 to 40 kt. Seas 10 to 16 ft.
.WED...W to NW winds 20 to 30 kt. Seas 10 to 16 ft.
.WED NIGHT...W to SW winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...W winds 20 to 30 kt. Seas 7 to 12 ft.
.THU NIGHT...W winds 15 to 25 kt. Seas 6 to 11 ft.
.FRI...W to SW winds 15 to 25 kt. Seas 4 to 8 ft.
.FRI NIGHT...W winds 20 to 30 kt, becoming W to NW 25 to 35 kt.
Seas 6 to 11 ft.
.SAT...NW winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
6 to 11 ft.
.SAT NIGHT...W to NW winds 5 to 15 kt, becoming W 5 to 10 kt.
Seas 4 to 8 ft.

.Forecaster Clark. Ocean Prediction Center.



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