843
FZNT21 KWBC 170820
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
320 AM EST Mon Nov 17 2025

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.

Locally higher winds and seas can be expected in and near tstms.

ANZ898-172030-
320 AM EST Mon Nov 17 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...Strong low pressure moving
into the Gulf of Saint Lawrence, will continue moving NE away
from the area today and tonight. A series of low pressure
troughs will move SE across the area today into tonight. High
pressure will gradually build E over the waters Wed into Thu,
then shift NE of the region Thu night. Low pressure will track E
to the S of the area Wed into Thu night, then weaken E of the
waters Fri and Fri night as a cold front crosses the area

$$

ANZ800-172030-
Gulf of Maine to the Hague Line-
320 AM EST Mon Nov 17 2025

...GALE WARNING...

.TODAY...W to NW winds 25 to 35 kt. Seas 9 to 16 ft.
.TONIGHT...W to NW winds 25 to 35 kt, becoming W 25 to 30 kt.
Seas 8 to 13 ft.
.TUE...W winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.WED...W winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas
3 to 6 ft.
.WED NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...NE winds less than 5 kt, becoming variable. Seas 3 to
4 ft.
.THU NIGHT...E to NE winds less than 5 kt, becoming S to SE.
Seas 3 ft early, becoming 2 ft or less.
.FRI...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...S winds 15 to 25 kt, becoming SW 20 to 25 kt. Seas
4 to 7 ft.

$$

ANZ805-172030-
Georges Bank between Cape Cod and 68W north of 1000 FM-
320 AM EST Mon Nov 17 2025

...GALE WARNING...

.TODAY...W winds 30 to 35 kt. Seas 11 to 18 ft.
.TONIGHT...W to NW winds 25 to 30 kt. Seas 9 to 16 ft.
.TUE...W winds 20 to 30 kt. Seas 7 to 12 ft.
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 5 to 9 ft.
.WED...W to NW winds less than 10 kt. Seas 3 to 6 ft.
.WED NIGHT...N to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...NE winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...NE winds 5 to 10 kt, becoming N. Seas 3 to 4 ft.
.FRI...E to SE winds less than 10 kt, becoming S to SW. Seas
3 to 4 ft.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 15 to 25 kt. Seas
3 to 6 ft.

$$

ANZ900-172030-
Georges Bank between 68W and the Hague Line-
320 AM EST Mon Nov 17 2025

...GALE WARNING...

.TODAY...W winds 30 to 35 kt. Seas 14 to 19 ft. Isolated
showers.
.TONIGHT...W winds 25 to 30 kt. Seas 10 to 17 ft.
.TUE...W winds 20 to 30 kt. Seas 9 to 13 ft.
.TUE NIGHT...W winds 15 to 25 kt. Seas 6 to 11 ft.
.WED...W winds 5 to 15 kt, becoming W to NW. Seas 4 to 7 ft.
.WED NIGHT...N to NE winds 5 to 10 kt. Seas 3 to 5 ft.
.THU...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...N to NE winds 5 to 15 kt, becoming N 5 to 10 kt.
Seas 3 to 4 ft.
.FRI...N to NE winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft.
.FRI NIGHT...S winds 10 to 20 kt, becoming SW 20 to 25 kt. Seas
3 to 6 ft.

$$

ANZ810-172030-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
320 AM EST Mon Nov 17 2025

...GALE WARNING...

.TODAY...W winds 30 to 40 kt. Seas 10 to 18 ft.
.TONIGHT...NW winds 30 to 35 kt, becoming W to NW 25 to 30 kt.
Seas 9 to 16 ft.
.TUE...W winds 20 to 30 kt. Seas 6 to 11 ft.
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 4 to 8 ft.
.WED...W winds 5 to 10 kt, becoming N. Seas 3 to 5 ft.
.WED NIGHT...N to NE winds 5 to 10 kt, becoming NE 5 to 15 kt.
Seas 3 to 4 ft.
.THU...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...NE winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft.
.FRI...E to SE winds less than 10 kt, becoming S. Seas 3 to
4 ft.
.FRI NIGHT...S winds 20 to 25 kt, becoming SW 15 to 25 kt. Seas
3 to 6 ft.

$$

ANZ815-172030-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
320 AM EST Mon Nov 17 2025

...GALE WARNING...

.TODAY...W to NW winds 30 to 40 kt. Seas 9 to 16 ft.
.TONIGHT...NW winds 20 to 30 kt. Seas 8 to 13 ft.
.TUE...NW winds 20 to 25 kt, becoming W 15 to 20 kt. Seas 4 to
8 ft.
.TUE NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 3 to 6 ft.
.WED...N to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...E to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E to SE winds less than 5 kt. Seas 3 to 4 ft.
.FRI...SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to
4 ft.
.FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft.

$$

.Forecaster Holley. Ocean Prediction Center.