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National Weather Service Marine Forecast FZNT21 KWBC

FZNT21 KWBC 181450
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
950 AM EST Tue Dec 18 2018

New England continental shelf and slope waters from 25 nm
offshore to the Hague Line, except to 1000 fm south of New
England.

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.

ANZ898-190230-
950 AM EST Tue Dec 18 2018

SYNOPSIS FOR NEW ENGLAND WATERS
Deep low pressure just NE of
Nova Scotia will continue to move NE away from the waters today
into tonight as a strong secondary cold front moves SE away from
the waters and a low pressure trough moves SE from the Gulf of
Maine. A high pressure ridge will slowly drift E over the region
Wed into Thu, then move E of the area Thu night. Strengthening
low pressure will track N and approach the waters from the SW
Thu night, pass W of the area while lifting a warm front over
the waters Fri into Fri night, then pass N of the region late
Fri night into Sat with an associated cold front crossing the
waters. A secondary cold front will pass E over the area Sat
and Sat night.



ANZ800-190230-
Gulf of Maine to the Hague Line-
950 AM EST Tue Dec 18 2018

GALE WARNING


TODAY
NW winds 25 to 35 kt. Seas 10 to 17 ft. Chance of snow
with VSBY 1 nm or less.

TONIGHT
NW winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 8 to 16 ft.

WED
NW winds diminishing to 10 to 20 kt, then becoming W 10
to 15 kt. Seas subsiding to 5 to 10 ft.

WED NIGHT
W to SW winds 5 to 15 kt. Seas subsiding to 3 to 5
ft.

THU
SW winds 5 to 15 kt. Seas subsiding to 1 to 3 ft.

THU NIGHT
Winds backing to S to SE 10 to 15 kt. Seas 1 to 3 ft.

FRI
SE winds increasing to 15 to 25 kt, then becoming S 25 to 30
kt. Seas becoming 3 to 6 ft, then building to 7 to 12 ft.

FRI NIGHT
S winds increasing to 30 to 40 kt. Seas building to 9
to 15 ft.

SAT
S to SW winds diminishing to 10 to 20 kt. Seas 8 to 14 ft.

SAT NIGHT
Winds increasing to W 20 to 30 kt. Seas 8 to 14 ft.



ANZ805-190230-
Georges Bank between Cape Cod and 68W north of 1000 fm-
950 AM EST Tue Dec 18 2018

GALE WARNING


TODAY
NW winds 25 to 35 kt. Seas 10 to 18 ft.

TONIGHT
NW winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 9 to 16 ft.

WED
W to NW winds diminishing to 10 to 20 kt, then becoming W
10 to 15 kt. Seas subsiding to 6 to 10 ft.

WED NIGHT
W winds 10 to 15 kt. Seas subsiding to 3 to 6 ft.

THU
Winds backing to S to SW 5 to 15 kt. Seas subsiding to 2 to 4
ft.

THU NIGHT
S to SE winds 5 to 15 kt, becoming SE 10 to 20 kt. Seas
2 to 4 ft.

FRI
SE winds 15 to 25 kt, becoming S 25 to 30 kt. Seas becoming 4
to 7 ft, then building to 8 to 13 ft.

FRI NIGHT
S winds increasing to 30 to 40 kt. Seas building to 11
to 19 ft.

SAT
S winds diminishing to 15 to 20 kt, then becoming SW. Seas
subsiding to 9 to 16 ft.

SAT NIGHT
W winds increasing to 20 to 30 kt. Seas 8 to 15 ft.



ANZ900-190230-
Georges Bank between 68W and the Hague Line-
950 AM EST Tue Dec 18 2018

GALE WARNING


TODAY
NW winds 30 to 35 kt. Seas 14 to 20 ft. Scattered snow
and rain showers.

TONIGHT
NW winds 30 to 35 kt, diminishing to 20 to 30 kt.
Seas subsiding to 10 to 18 ft.

WED
NW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas
subsiding to 7 to 12 ft.

WED NIGHT
W winds diminishing to 10 to 15 kt. Seas subsiding
to 4 to 7 ft.

THU
W to SW winds 5 to 15 kt. Seas subsiding to 2 to 4 ft.

THU NIGHT
S to SE winds less than 10 kt, increasing to 10 to 20
kt. Seas 2 to 3 ft.

FRI
S to SE winds increasing to 20 to 30 kt. Seas becoming 3 to 6
ft, then building to 7 to 11 ft.

FRI NIGHT
S winds increasing to 30 to 40 kt. Seas building to 11
to 19 ft.

SAT
S winds 30 to 40 kt, becoming S to SW 15 to 25 kt. Seas 11 to
19 ft.

SAT NIGHT
Winds veering to W 20 to 30 kt. Seas becoming 11 to 15
ft.



ANZ810-190230-
South of New England between the Great South Channel and Montauk
Point to 1000 fm-
950 AM EST Tue Dec 18 2018

GALE WARNING


TODAY
NW winds 25 to 35 kt. Seas 10 to 17 ft.

TONIGHT
NW winds 25 to 35 kt, diminishing to 15 to 25 kt.
Seas subsiding to 8 to 14 ft.

WED
W to NW winds diminishing to 10 to 15 kt. Seas subsiding
to 5 to 9 ft.

WED NIGHT
W winds 10 to 15 kt. Seas subsiding to 3 to 5 ft.

THU
Winds becoming S to SW 5 to 10 kt. Seas subsiding to 1 to
3 ft.

THU NIGHT
Winds increasing to SE 15 to 25 kt. Seas 1 to 2 ft,
building to 3 to 5 ft.

FRI
S to SE winds 20 to 30 kt. Seas building to 9 to 16 ft.

FRI NIGHT
S winds increasing to 35 to 45 kt, then diminishing to
15 to 25 kt. Seas building to 11 to 19 ft.

SAT
S to SW winds 10 to 20 kt, becoming W 15 to 25 kt. Seas
becoming 10 to 15 ft.

SAT NIGHT
W winds increasing to 25 to 30 kt. Seas 10 to 14 ft.



ANZ815-190230-
South of Long Island between Montauk Point and Sandy Hook to
1000 fm-
950 AM EST Tue Dec 18 2018

GALE WARNING


TODAY
NW winds 25 to 35 kt. Seas 8 to 16 ft, highest SE.

TONIGHT
NW winds 20 to 30 kt, diminishing to 10 to 20 kt.
Seas subsiding to 6 to 12 ft, highest SE.

WED
W to NW winds 10 to 15 kt. Seas subsiding to 3 to 5 ft.

WED NIGHT
W winds 10 to 15 kt, becoming SW. Seas 2 to 4 ft.

THU
S to SW winds 5 to 10 kt, becoming S to SE. Seas 1 to 3 ft.

THU NIGHT
SE winds becoming 10 to 20 kt, then increasing to 20 to
30 kt. Seas 1 to 3 ft, building to 5 to 8 ft.

FRI
S winds 25 to 30 kt, increasing to 30 to 40 kt. Seas building
to 10 to 17 ft.

FRI NIGHT
S winds 25 to 35 kt, diminishing to 15 to 25 kt. Seas
building to 11 to 19 ft.

SAT
SW winds 10 to 20 kt, becoming W 20 to 25 kt. Seas subsiding
to 8 to 14 ft.

SAT NIGHT
W to NW winds 20 to 30 kt. Seas 8 to 14 ft.



.Forecaster Mills. Ocean Prediction Center.