Offshore Forecast
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000
FZNT22 KWBC 121454
OFFNT2

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
954 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.

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.

ANZ899-130245-
954 AM EST Tue Dec 12 2017

.SYNOPSIS FOR MID ATLC WATERS...A strong low pressure system will
move from the eastern 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.

$$

ANZ820-130245-
Hudson Canyon to Baltimore Canyon to 1000 fm-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...S to SW winds 20 to 25 kt, becoming W to SW 20 to
30 kt. Seas 4 to 7 ft, building to 5 to 9 ft. Chance of showers
and a slight chance of TSTMs.
.TONIGHT...W to NW winds 30 to 40 kt. Seas building to 8 to 14
ft. Scattered showers and a chance of TSTMs, then a chance of
snow showers late.
.WED...W winds 30 to 40 kt. Seas building to 10 to 18 ft.
Scattered rain and snow showers.
.WED NIGHT...W winds 25 to 35 kt, becoming SW 20 to 30 kt. Seas
9 to 15 ft. Chance of snow.
.THU...W to SW winds 20 to 30 kt, becoming W to NW. Seas
subsiding to 6 to 11 ft.
.THU NIGHT...NW winds 15 to 25 kt, diminishing to 10 to 15 kt.
Seas 6 to 10 ft, subsiding to 3 to 6 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.

$$

ANZ915-130245-
Between 1000 fm and 38.5N west of 69W-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...S to SW winds 20 to 30 kt. Seas 4 to 7 ft, building to
5 to 9 ft. Scattered showers and TSTMs.
.TONIGHT...Winds becoming W to NW 30 to 40 kt. Seas 6 to 10 ft,
building to 9 to 16 ft. Scattered showers and a chance of TSTMs.
.WED...W winds 35 to 45 kt. Seas building to 13 to 23 ft.
Scattered rain and snow showers.
.WED NIGHT...W winds 30 to 40 kt, diminishing to 20 to 30 kt.
Seas 13 to 22 ft. Scattered rain and snow showers.
.THU...W to SW winds 30 to 40 kt. Seas 10 to 17 ft.
.THU NIGHT...W to NW winds 20 to 30 kt, becoming NW 10 to 20 kt.
Seas 9 to 15 ft, subsiding to 6 to 10 ft.
.FRI...W winds 5 to 10 kt, becoming W to SW 5 to 15 kt. Seas
subsiding to 3 to 6 ft.
.FRI NIGHT...NE winds 5 to 10 kt, becoming N to NW 15 to 25 kt.
Seas building to 5 to 9 ft.
.SAT...NW winds 25 to 30 kt. Seas building to 7 to 12 ft.
.SAT NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 13 ft.

$$

ANZ920-130245-
Baltimore Canyon to 69W east of 1000 fm and south of 38.5N to
250 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...S to SW winds 20 to 25 kt, becoming SW 25 to 35 kt.
Winds to 35 kt or higher in and near TSTMs. Seas 5 to 8 ft,
building to 7 to 11 ft. Showers and TSTMs.
.TONIGHT...W to SW winds 30 to 40 kt. Seas building to 10 to 17
ft. Rain and scattered TSTMs.
.WED...W winds 35 to 45 kt. Seas building to 14 to 23 ft.
Scattered showers.
.WED NIGHT...W winds 30 to 40 kt, becoming W to SW 25 to 30 kt.
Seas 12 to 22 ft. Scattered showers.
.THU...W to SW winds increasing to 35 to 45 kt. Seas building to
11 to 19 ft.
.THU NIGHT...W to NW winds diminishing to 20 to 30 kt, then
becoming NW 10 to 20 kt. Seas 10 to 17 ft, subsiding to 6 to
10 ft.
.FRI...W winds 5 to 15 kt. Seas subsiding to 3 to 6 ft.
.FRI NIGHT...Winds becoming NE 5 to 15 kt, then 20 to 30 kt.
Seas 3 to 6 ft, building to 6 to 11 ft.
.SAT...W to NW winds 25 to 35 kt. Seas building to 8 to 14 ft.
.SAT NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 12 ft.

$$

ANZ905-130245-
East of 69W to the Hague Line between 1000 fm and 39N-
954 AM EST Tue Dec 12 2017

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

.TODAY...S to SE winds 20 to 30 kt. Seas 4 to 7 ft, building to
5 to 9 ft. Scattered showers and TSTMs.
.TONIGHT...S to SW winds increasing to 30 to 40 kt, then becoming
W to SW 35 to 45
 kt. Seas building to 8 to 13 ft, then to 12 to
20 ft. Rain and scattered TSTMs.
.WED...W winds 35 to 45 kt. Seas 14 to 24 ft. Scattered showers.
.WED NIGHT...W winds 35 to 45 kt. Seas 15 to 26 ft. Scattered
showers.
.THU...W to SW winds diminishing to 20 to 30 kt, then increasing
to 40 to 55 kt. Seas 12 to 21 ft.
.THU NIGHT...W to NW winds diminishing to 25 to 35 kt, then to
20 to 30 kt. Seas subsiding to 10 to 14 ft.
.FRI...W winds diminishing to 10 to 15 kt. Seas subsiding to 6
to 10 ft.
.FRI NIGHT...Winds becoming NE 5 to 10 kt, then N to NE 5 to 15
kt. Seas 5 to 9 ft.
.SAT...NW winds increasing to 20 to 30 kt, then to 25 to 35 kt.
Seas building to 9 to 16 ft.
.SAT NIGHT...NW winds 25 to 35 kt. Seas 10 to 17 ft.

$$

ANZ910-130245-
East of 69W and south of 39N to 250 nm offshore-
954 AM EST Tue Dec 12 2017

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

.TODAY...S winds 10 to 20 kt, becoming S to SW 25 to 35 kt. Seas
4 to 7 ft, building to 6 to 11 ft. Showers and TSTMs.
.TONIGHT...W to SW winds 35 to 45 kt. Seas building to 11 to 19
ft. TSTMs and scattered showers early, then rain.
.WED...W winds 35 to 45 kt. Seas 17 to 24 ft. Scattered showers.
.WED NIGHT...W winds 35 to 45 kt. Seas 14 to 26 ft. Scattered
showers.
.THU...Winds becoming SW 35 to 45 kt, then W to SW 35 to 50 kt.
Seas subsiding to 12 to 22 ft.
.THU NIGHT...W winds 25 to 35 kt, becoming W to NW 15 to 25 kt.
Seas subsiding to 10 to 14 ft.
.FRI...W winds diminishing to 5 to 15 kt. Seas 7 to 12 ft,
subsiding to 5 to 8 ft.
.FRI NIGHT...Winds becoming NE 5 to 15 kt, then W 10 to 20 kt.
Seas 5 to 9 ft.
.SAT...W to NW winds increasing to 25 to 35 kt. Seas building to
8 to 15 ft.
.SAT NIGHT...NW winds 25 to 30 kt. Seas 10 to 16 ft.

$$

ANZ825-130245-
Baltimore Canyon to Cape Charles Light to 100 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...W to SW winds 20 to 30 kt. Seas 4 to 7 ft, building to
5 to 9 ft. Chance of showers and TSTMs.
.TONIGHT...W to NW winds increasing to 30 to 40 kt. Seas building
to 8 to 14 ft. Scattered showers and a slight chance of TSTMs.
.WED...W winds 30 to 40 kt. Seas 9 to 15 ft. Scattered showers.
.WED NIGHT...W winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas
subsiding to 6 to 10 ft. Scattered showers.
.THU...W to SW winds 25 to 30 kt, becoming W to NW 20 to 30 kt.
Seas building to 7 to 12 ft.
.THU NIGHT...N to NW winds 15 to 25 kt, becoming N 5 to 15 kt.
Seas 5 to 9 ft, subsiding to 3 to 5 ft.
.FRI...Variable winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...N 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. Seas 4 to 7 ft.
.SAT NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.

$$

ANZ828-130245-
Cape Charles Light to Currituck Beach Light to 100 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 25 to 30 kt, becoming W to SW 25 to 35 kt.
Seas 5 to 9 ft, building to 7 to 12 ft. Chance of showers.
.TONIGHT...W to NW winds 30 to 40 kt. Seas building to 9 to 16
ft. Scattered showers and a slight chance of TSTMs.
.WED...W winds 30 to 35 kt, diminishing to 20 to 30 kt. Seas
9 to 16 ft. Scattered showers.
.WED NIGHT...W winds 20 to 25 kt, becoming SW 25 to 35 kt. Seas
subsiding to 5 to 9 ft. Scattered showers.
.THU...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
building to 7 to 13 ft.
.THU NIGHT...Winds becoming N to NW 15 to 25 kt, then N 10 to 15
kt. Seas subsiding to 4 to 7 ft.
.FRI...N to NE winds less than 10 kt, becoming variable. Seas
3 to 5 ft.
.FRI NIGHT...W to NW winds 10 to 20 kt, becoming NW 20 to 30 kt.
Seas building to 5 to 9 ft.
.SAT...NW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 5 to
9 ft.
.SAT NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.

$$

ANZ925-130245-
Baltimore Canyon to Hatteras Canyon between 100 nm and 250 nm
offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 25 to 30 kt, becoming 25 to 35 kt. Winds to 35
kt or higher in and near TSTMs. Seas 6 to 9 ft, building to 7 to
12 ft. Showers and scattered TSTMs.
.TONIGHT...W to SW winds 35 to 45 kt. Seas building to 10 to 18
ft. Rain and scattered TSTMs.
.WED...W winds 30 to 40 kt. Seas 13 to 21 ft. Scattered showers.
.WED NIGHT...W winds 20 to 30 kt, becoming W to SW 25 to 35 kt.
Seas 12 to 19 ft, subsiding to 8 to 13 ft.
.THU...W to SW winds increasing to 35 to 45 kt. Seas building
to 10 to 18 ft.
.THU NIGHT...W to NW winds 20 to 30 kt, becoming N to NW 10 to
20 kt. Seas 9 to 16 ft, subsiding to 6 to 10 ft.
.FRI...Variable winds less than 10 kt, becoming SW 15 to 25 kt.
Seas subsiding to 4 to 6 ft.
.FRI NIGHT...W to SW winds 15 to 25 kt, becoming W to NW 25 to
35 kt. Seas building to 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 10 ft.

$$

ANZ830-130245-
Currituck Beach Light to Cape Hatteras to 100 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 25 to 30 kt, becoming 25 to 35 kt. Seas 6 to 9 ft,
building to 7 to 12 ft.
.TONIGHT...Winds becoming W to NW 30 to 40 kt. Seas 8 to 15 ft.
Scattered showers and a slight chance of TSTMs.
.WED...W winds 30 to 35 kt, diminishing to 20 to 30 kt. Seas
9 to 16 ft, subsiding to 8 to 13 ft.
.WED NIGHT...W winds 15 to 20 kt, becoming SW 20 to 30 kt. Seas
subsiding to 5 to 9 ft.
.THU...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
building to 8 to 14 ft.
.THU NIGHT...NW winds diminishing to 10 to 20 kt, then becoming
N to NE 5 to 15 kt. Seas subsiding to 4 to 6 ft.
.FRI...Variable winds less than 10 kt, becoming W 15 to 25 kt.
Seas 3 to 6 ft.
.FRI NIGHT...W winds 15 to 25 kt, becoming NW 20 to 30 kt. Seas
building to 6 to 10 ft.
.SAT...W to NW winds 20 to 30 kt. Seas 5 to 9 ft.
.SAT NIGHT...W winds diminishing to 10 to 20 kt, then becoming
10 to 15 kt. Seas subsiding to 4 to 7 ft.

$$

ANZ833-130245-
Cape Hatteras to Cape Fear to 100 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 25 to 30 kt, becoming 25 to 35 kt. Seas 6 to 9
ft, building to 8 to 13 ft.
.TONIGHT...W winds 30 to 40 kt, becoming NW 25 to 35 kt. Seas
9 to 15 ft. Scattered showers and a slight chance of TSTMs.
.WED...NW winds 25 to 30 kt, becoming W 20 to 30 kt. Seas 9 to
15 ft.
.WED NIGHT...W winds 15 to 20 kt, becoming SW 20 to 30 kt. Seas
subsiding to 5 to 9 ft.
.THU...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
building to 7 to 13 ft.
.THU NIGHT...W to NW winds diminishing to 10 to 20 kt, then to
less than 10 kt. Seas subsiding to 3 to 6 ft.
.FRI...W to SW winds 5 to 15 kt, becoming W 15 to 25 kt. Seas
3 to 6 ft.
.FRI NIGHT...W winds 20 to 30 kt, becoming NW. Seas building to
6 to 10 ft.
.SAT...NW winds becoming 15 to 25 kt. Seas 4 to 7 ft.
.SAT NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas subsiding to 3 to 5 ft.

$$

ANZ930-130245-
Hatteras Canyon to Cape Fear between 100 nm and 250 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
6 to 9 ft, building to 7 to 13 ft. Chance of showers and TSTMs.
.TONIGHT...W to SW winds 30 to 40 kt. Seas building to 10 to 18
ft. Areas of rain and a chance of TSTMs.
.WED...W winds 30 to 35 kt, diminishing to 20 to 30 kt. Seas
11 to 19 ft. Scattered showers.
.WED NIGHT...W winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas
subsiding to 10 to 16 ft.
.THU...SW winds 25 to 35 kt, becoming W. Seas 9 to 15 ft.
.THU NIGHT...W winds 20 to 30 kt, diminishing to 10 to 20 kt.
Seas 8 to 14 ft, subsiding to 6 to 10 ft.
.FRI...Variable winds 5 to 15 kt, becoming W to SW 15 to 25 kt.
Seas subsiding to 4 to 8 ft.
.FRI NIGHT...W to SW winds 20 to 30 kt, becoming W 30 to 35 kt.
Seas increasing to 8 to 13 ft.
.SAT...NW winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas
7 to 13 ft.
.SAT NIGHT...W to NW winds diminishing to 10 to 20 kt, becoming
10 to 15 kt. Seas subsiding to 5 to 9 ft.

$$

ANZ835-130245-
Cape Fear to 31N to 1000 fm-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 20 to 25 kt, becoming W to SW 30 to 40 kt.
Seas 6 to 9 ft, building to 7 to 12 ft.
.TONIGHT...W to NW winds 25 to 35 kt. Seas 8 to 14 ft.
.WED...NW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 7 to
13 ft.
.WED NIGHT...W winds 15 to 20 kt, increasing to 20 to 30 kt.
Seas subsiding to 5 to 8 ft.
.THU...W winds becoming 15 to 25 kt. Seas building to 7 to 12
ft.
.THU NIGHT...W winds 15 to 25 kt, diminishing to 5 to 15 kt.
Seas subsiding to 3 to 5 ft.
.FRI...W to SW winds 15 to 25 kt. Seas 3 to 6 ft.
.FRI NIGHT...W winds 20 to 30 kt, becoming NW. Seas building to 5
to 9 ft.
.SAT...NW winds 15 to 25 kt. Seas subsiding to 4 to 7 ft.
.SAT NIGHT...W winds diminishing to 5 to 15 kt, then becoming 5
to 10 kt. Seas subsiding to 2 to 4 ft.

$$

ANZ935-130245-
Cape Fear to 31N east of 1000 fm to 250 nm offshore-
954 AM EST Tue Dec 12 2017

...GALE WARNING...

.TODAY...SW winds 20 to 25 kt, becoming W to SW 30 to 40 kt.
Seas 5 to 9 ft, building to 7 to 12 ft. Chance of showers and
TSTMs.
.TONIGHT...W to NW winds 30 to 40 kt. Seas building to 10 to 16
ft. Scattered showers and isolated TSTMs.
.WED...W to NW winds diminishing to 20 to 30 kt. Seas 9 to 16
ft.
.WED NIGHT...W winds diminishing to 10 to 20 kt, then becoming
W to SW 20 to 30 kt. Seas subsiding to 6 to 10 ft.
.THU...W winds 20 to 30 kt. Seas becoming 7 to 12 ft.
.THU NIGHT...W winds 15 to 25 kt. Seas subsiding to 5 to 8 ft.
.FRI...W to SW winds 15 to 25 kt. Seas 4 to 8 ft.
.FRI NIGHT...W winds increasing to 25 to 30 kt, then becoming W
to NW 30 to 35 kt. Seas building to 6 to 11 ft.
.SAT...NW winds 20 to 30 kt, diminishing to 15 to 20 kt. Seas
6 to 11 ft, subsiding to 5 to 9 ft.
.SAT NIGHT...NW winds 5 to 15 kt, becoming W to NW 5 to 10 kt.
Seas subsiding to 3 to 6 ft.

$$

.Forecaster Mills. Ocean Prediction Center.



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