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National Weather Service Marine Forecast FZNT21 KWBC

FZNT21 KWBC 220225
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1025 PM EDT Sat Jul 21 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.

ANZ898-230230-
1025 PM EDT Sat Jul 21 2018

SYNOPSIS FOR NEW ENGLAND WATERS
Intensifying low pressure
moving N along the eastern seaboard will approach the far SW
waters through midnight, then continue N and inland while
passing W of the waters later tonight. The low will pull a warm
front into the area later tonight, which will then clear just N
of the waters Sun. A large high pressure ridge will gradually
build W toward the area later Sun through Tue, then become
nearly stationary to the E and SE of the waters Tue night through
Thu night. A frontal boundary will slowly approach the waters
from the W and NW Thu and Thu night.



ANZ800-230230-
Gulf of Maine to the Hague Line-
1025 PM EDT Sat Jul 21 2018

TONIGHT
SE winds 5 to 15 kt, becoming E 10 to 20 kt. Seas
3 to 4 ft. Scattered showers and isolated TSTMs with areas of
fog. VSBY 1 nm or less.

SUN
SE winds 10 to 20 kt, becoming S. Seas building to 4 to 7
ft. Scattered showers and isolated TSTMs. Areas of fog. VSBY 1
NM or less.

SUN NIGHT
S winds 15 to 20 kt. Seas 4 to 7 ft. Areas of fog with
VSBY 1 nm or less.

MON
S winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 4 to 6
ft. Areas of fog with VSBY 1 nm or less.

MON NIGHT
S winds 10 to 15 kt. Seas 3 to 5 ft.

TUE
S winds 10 to 15 kt. Seas 3 to 4 ft.

TUE NIGHT
S to SW winds 10 to 15 kt. Seas 3 to 5 ft.

WED
S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft.

WED NIGHT
S to SW winds 15 to 20 kt. Seas 4 to 5 ft.

THU
S winds 15 to 20 kt. Seas 4 to 6 ft.

THU NIGHT
S to SW winds 15 to 25 kt. Seas 4 to 8 ft.



ANZ805-230230-
Georges Bank between Cape Cod and 68W north of 1000 fm-
1025 PM EDT Sat Jul 21 2018

TONIGHT
E winds 10 to 20 kt, becoming S to SE 15 to 20 kt.
Seas 3 to 6 ft. Scattered showers and isolated TSTMs with areas
of fog. VSBY 1 nm or less.

SUN
S winds 15 to 20 kt. Seas building to 6 to 10 ft.
Scattered showers and isolated TSTMs. Areas of fog. VSBY 1 NM or
less.

SUN NIGHT
S winds 15 to 20 kt. Seas 6 to 9 ft. Areas of fog with
VSBY 1 nm or less.

MON
S to SE winds diminishing to 10 to 15 kt. Seas subsiding
to 5 to 7 ft. Areas of fog with VSBY 1 nm or less.

MON NIGHT
S to SE winds 10 to 15 kt. Seas subsiding to 4 to 5 ft.

TUE
S to SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas 4 to 5
ft.

TUE NIGHT through WED NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft.

THU
S winds increasing to 15 to 20 kt. Seas 4 to 7 ft.

THU NIGHT
S to SW winds 15 to 25 kt. Seas 5 to 8 ft.



ANZ900-230230-
Georges Bank between 68W and the Hague Line-
1025 PM EDT Sat Jul 21 2018

TONIGHT
S to SE winds 15 to 20 kt. Seas 3 to 6 ft. Scattered
showers and isolated TSTMs. Patchy fog. VSBY 1 nm or less.

SUN
S winds 15 to 20 kt. building to Seas 5 to 9 ft.
Scattered showers and isolated TSTMs. Areas of fog. VSBY 1 NM or
less.

SUN NIGHT
S winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 6
to 8 ft. Areas of fog with VSBY 1 nm or less.

MON
S to SE winds 10 to 15 kt. Seas subsiding to 5 to 6 ft. Areas
of fog with VSBY 1 nm or less.

MON NIGHT
S to SE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4
to 6 ft.

TUE
S to SE winds 5 to 10 kt. Seas 4 to 5 ft.

TUE NIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4
to 5 ft.

WED
S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 4 to 5
ft.

WED NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft.

THU
S winds increasing to 15 to 20 kt. Seas 4 to 7 ft.

THU NIGHT
S winds 15 to 25 kt. Seas 5 to 8 ft.



ANZ810-230230-
South of New England between the Great South Channel and Montauk
Point to 1000 fm-
1025 PM EDT Sat Jul 21 2018

TONIGHT
E to SE winds 15 to 25 kt, becoming S to SE. Seas
4 to 8 ft, building to 6 to 10 ft. Rain and scattered TSTMs.
Areas of fog. VSBY 1 nm or less.

SUN
S winds 15 to 25 kt. Seas 7 to 12 ft. Showers and
scattered TSTMs with areas of fog. VSBY 1 nm or less.

SUN NIGHT
S winds 15 to 20 kt. Seas becoming 7 to 9 ft. Scattered
showers and TSTMs. Areas of fog. VSBY 1 nm or less.

MON
S to SE winds 15 to 20 kt, becoming SE 10 to 15 kt. Seas
becoming 5 to 8 ft. Areas of fog with VSBY 1 nm or less.

MON NIGHT
SE winds 10 to 15 kt. Seas 5 to 6 ft.

TUE
SE winds 5 to 10 kt, becoming S. Seas 4 to 5 ft.

TUE NIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4
to 5 ft.

WED
S winds 10 to 15 kt. Seas 4 to 5 ft.

WED NIGHT
S winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 4
to 5 ft.

THU
S winds 15 to 20 kt. Seas building to 5 to 7 ft.

THU NIGHT
S winds 15 to 20 kt, becoming SW 10 to 20 kt. Seas 5
to 8 ft.



ANZ815-230230-
South of Long Island between Montauk Point and Sandy Hook to
1000 fm-
1025 PM EDT Sat Jul 21 2018

GALE WARNING


TONIGHT
SE winds 25 to 35 kt, becoming S. Seas 6 to 10 ft,
building to 8 to 13 ft. Rain and scattered TSTMs.

SUN
S winds diminishing to 15 to 25 kt. Seas 8 to 13 ft.
Showers and scattered TSTMs.

SUN NIGHT
S winds 15 to 25 kt. Seas subsiding to 5 to 9 ft.
Scattered showers and TSTMs.

MON
S to SE winds 15 to 20 kt. Seas 5 to 9 ft. Scattered showers
and TSTMs.

MON NIGHT
SE winds diminishing to 10 to 15 kt. Seas subsiding
to 4 to 7 ft.

TUE
SE winds 10 to 15 kt, becoming S to SE 5 to 10 kt. Seas 3 to
6 ft.

TUE NIGHT and WED
S winds 10 to 15 kt. Seas 3 to 5 ft.

WED NIGHT
S winds increasing to 15 to 20 kt. Seas 3 to 6 ft.

THU
S winds 15 to 20 kt. Seas 4 to 7 ft.

THU NIGHT
S to SW winds 10 to 20 kt. Seas 4 to 8 ft.



.Forecaster Mills. Ocean Prediction Center.