National Weather Service Marine Forecast FZNT21 KWBC

FZNT21 KWBC 181411
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1011 AM EDT Tue May 18 2021

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.

ANZ898-190300-
1011 AM EDT Tue May 18 2021

SYNOPSIS FOR NEW ENGLAND WATERS
High pressure will give way to
a cold front approaching from the NW today. The front will pass
SE over the waters tonight into Wed as the high slides west over
the eastern US. Another area of high pressure will build over the
waters Wed night, and persist through Sat night. A broad area of
low pressure will slowly organize well to the E Thu night into
Fri and remain SE of the region through Sat night. 

ANZ800-190300-
Gulf of Maine to the Hague Line-
1011 AM EDT Tue May 18 2021

TODAY
W winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers.

TONIGHT
W to NW winds 10 to 20 kt, becoming N 10 to 15 kt. Seas
3 to 5 ft.

WED
N winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft.

WED NIGHT
Variable winds 5 to 15 kt, becoming E to NE. Seas 3 to
4 ft.

THU
E winds 5 to 15 kt. Seas 3 to 4 ft.

THU NIGHT
S to SE winds less than 10 kt, becoming variable. Seas
3 to 4 ft.

FRI
E to SE winds 5 to 10 kt, becoming S to SE. Seas 3 to 5 ft.

FRI NIGHT
S to SE winds 5 to 15 kt, becoming S 5 to 10 kt. Seas
building to 4 to 7 ft.

SAT
S to SE winds 5 to 10 kt. Seas 4 to 7 ft.

SAT NIGHT
S to SE winds 5 to 10 kt, becoming variable. Seas 4 to
8 ft.

ANZ805-190300-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1011 AM EDT Tue May 18 2021

TODAY
W to SW winds 15 to 25 kt. Seas 4 to 7 ft.

TONIGHT
W winds 15 to 25 kt. Seas 4 to 6 ft.

WED
Winds diminishing to N 5 to 15 kt. Seas 4 to 6 ft.

WED NIGHT
N to NE winds 5 to 15 kt. Seas 3 to 5 ft.

THU and THU NIGHT
E to NE winds 5 to 15 kt. Seas 3 to 5 ft.

FRI
NE winds 5 to 15 kt, becoming E to NE 5 to 10 kt. Seas 3 to
6 ft.

FRI NIGHT
E to NE winds 5 to 10 kt. Seas building to 4 to 8 ft.

SAT
E to NE winds less than 10 kt. Seas 6 to 8 ft.

SAT NIGHT
E to NE winds 5 to 10 kt, becoming variable. Seas 6 to
8 ft.

ANZ900-190300-
Georges Bank between 68W and the Hague Line-
1011 AM EDT Tue May 18 2021

TODAY
SW winds 15 to 25 kt. Seas 5 to 6 ft.

TONIGHT
W winds 15 to 25 kt. Seas 5 to 6 ft. Chance of rain.

WED
W to NW winds 10 to 20 kt, becoming N 10 to 15 kt. Seas 4 to
6 ft.

WED NIGHT and THU
N to NE winds 10 to 20 kt. Seas 4 to 6 ft.

THU NIGHT
NE winds 5 to 15 kt. Seas 4 to 6 ft.

FRI
NE winds 5 to 15 kt. Seas 4 to 7 ft.

FRI NIGHT
E to NE winds 5 to 15 kt. Seas building to 5 to 9 ft.

SAT
E to NE winds 5 to 10 kt. Seas 7 to 9 ft.

SAT NIGHT
NE winds 5 to 10 kt, becoming N. Seas 7 to 9 ft.

ANZ810-190300-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1011 AM EDT Tue May 18 2021

TODAY
W winds 15 to 20 kt. Seas 4 to 6 ft.

TONIGHT
W winds 10 to 20 kt. Seas 5 to 6 ft. Chance of rain.

WED
Winds becoming N to NW 5 to 15 kt. Seas 4 to 6 ft.

WED NIGHT
E to SE winds less than 10 kt. Seas 3 to 5 ft.

THU
E to NE winds 5 to 10 kt. Seas 3 to 5 ft.

THU NIGHT
E to NE winds 5 to 15 kt. Seas 3 to 5 ft.

FRI
NE winds less than 10 kt. Seas 3 to 6 ft.

FRI NIGHT
E to NE winds less than 10 kt. Seas building to 5 to 8
ft.

SAT
Variable winds less than 10 kt, becoming N to NE. Seas 4 to
8 ft.

SAT NIGHT
Variable winds less than 10 kt. Seas 5 to 8 ft.

ANZ815-190300-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1011 AM EDT Tue May 18 2021

TODAY
W winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 4 to 6
ft.

TONIGHT
SW winds 15 to 25 kt, becoming W. Seas 4 to 6 ft.

WED
NW winds diminishing to 10 to 15 kt, then becoming W to SW 5
to 15 kt. Seas 4 to 6 ft.

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

THU
E to SE winds less than 10 kt. Seas 3 to 4 ft.

THU NIGHT
SE winds 5 to 10 kt, becoming E. Seas 3 to 4 ft.

FRI
E winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.

FRI NIGHT
Variable winds less than 10 kt. Seas 3 to 5 ft.

SAT
S winds less than 10 kt. Seas 4 to 6 ft.

SAT NIGHT
S winds less than 10 kt, becoming variable. Seas 4 to
7 ft.

.Forecaster Musonda. Ocean Prediction Center.