New England Continental Shelf

FZNT21 KWBC 310850
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
450 AM EDT Mon Mar 31 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.

ANZ898-311945-
450 AM EDT Mon Mar 31 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A warm front across southern
New England and the Gulf of Maine will lift N of the waters 
today. A cold front will approach the coast today, then move E 
across the waters tonight into early Tue before passing E of the
area Tue afternoon. A secondary cold front or low pressure 
trough will cross the waters Tue night. High pressure will build 
SE over the waters Wed, and then pass E of the area Wed night. A 
warm front will lift N across the region Wed night into Thu. A 
cold front will move SE across the area Thu night, slow Fri, then
finally clear S of the area late Fri and Fri night. 

$$

ANZ800-311945-
Gulf of Maine to the Hague Line-
450 AM EDT Mon Mar 31 2025

.TODAY...S to SW winds 20 to 30 kt. Seas 6 to 11 ft. Chance of
rain. Areas of fog. Vsby 1 NM or less. 
.TONIGHT...SW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered
showers and chance of tstms with vsby 1 nm or less. 
.TUE...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. Scattered
showers with vsby 1 nm or less. 
.TUE NIGHT...NW winds 15 to 25 kt, becoming N. Seas 5 to 9 ft. 
.WED...N winds 10 to 20 kt, becoming N to NW less than 10 kt.
Seas 5 to 8 ft. 
.WED NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 6 ft. 
.THU...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. 
.THU NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. 
.FRI...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. 
.FRI NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. 

$$

ANZ805-311945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
450 AM EDT Mon Mar 31 2025

.TODAY...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
rain. Areas of fog. Vsby 1 NM or less. 
.TONIGHT...S winds 20 to 30 kt. Seas 6 to 11 ft. Scattered
showers and chance of tstms with vsby 1 nm or less. 
.TUE...N to NW winds 15 to 25 kt. Seas 6 to 11 ft. Scattered
showers with vsby 1 nm or less. 
.TUE NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt, becoming N to NE less than 10 kt.
Seas 4 to 8 ft. 
.WED NIGHT...E to SE winds 5 to 15 kt, becoming S to SE 10 to
20 kt. Seas 3 to 5 ft. 
.THU...S to SW winds 20 to 30 kt. Seas 4 to 6 ft, building to
6 to 10 ft. 
.THU NIGHT...SW winds 15 to 25 kt. Seas 6 to 10 ft. 
.FRI...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
4 to 8 ft. 
.FRI NIGHT...NW winds 5 to 15 kt, becoming N 10 to 20 kt. Seas
3 to 6 ft. 

$$

ANZ900-311945-
Georges Bank between 68W and the Hague Line-
450 AM EDT Mon Mar 31 2025

.TODAY...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. Areas of
fog with vsby 1 nm or less. 
.TONIGHT...S winds 25 to 30 kt. Seas 8 to 12 ft. Scattered
showers and chance of tstms with vsby 1 nm or less. 
.TUE...S to SW winds 20 to 30 kt, becoming N to NW 15 to 20 kt.
Seas 9 to 13 ft. Scattered showers with vsby 1 nm or less. 
.TUE NIGHT...N to NW winds 15 to 25 kt. Seas 8 to 10 ft. 
.WED...N winds 15 to 20 kt, diminishing to 5 to 10 kt. Seas 5 to
9 ft. 
.WED NIGHT...Variable winds less than 10 kt, becoming SE. Seas
4 to 6 ft. 
.THU...S to SE winds 10 to 20 kt, becoming S 20 to 30 kt. Seas
3 to 5 ft, building to 5 to 9 ft.
.THU NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. 
.FRI...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
5 to 8 ft. 
.FRI NIGHT...NW winds 5 to 15 kt, becoming N 10 to 20 kt. Seas
5 to 6 ft. 

$$

ANZ810-311945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
450 AM EDT Mon Mar 31 2025

.TODAY...SW winds 20 to 25 kt, becoming S. Seas 6 to 10 ft.
Areas of fog. Scattered showers and tstms. Vsby 1 NM or less. 
.TONIGHT...S winds 20 to 30 kt. Seas 7 to 11 ft. Showers and
scattered tstms with vsby 1 nm or less. 
.TUE...N to NW winds 10 to 20 kt. Seas 6 to 11 ft. Chance of
showers with vsby 1 nm or less. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. 
.WED...NE winds 10 to 15 kt, becoming E 5 to 15 kt. Seas 4 to
7 ft. 
.WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. 
.THU...S winds 15 to 25 kt. Seas 4 to 8 ft. 
.THU NIGHT...SW winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
5 to 8 ft. 
.FRI NIGHT...NW winds 10 to 20 kt, becoming N. Seas 4 to 6 ft. 

$$

ANZ815-311945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
450 AM EDT Mon Mar 31 2025

.TODAY...S winds 20 to 25 kt. Seas 5 to 9 ft. Areas of fog.
Scattered showers and tstms. Vsby 1 NM or less. 
.TONIGHT...S to SW winds 15 to 25 kt. Seas 6 to 10 ft. Showers
and scattered tstms with vsby 1 nm or less. 
.TUE...N to NW winds 15 to 25 kt, becoming NW 10 to 15 kt. Seas
5 to 9 ft. Chance of showers. 
.TUE NIGHT...N to NW winds 10 to 20 kt, becoming N to NE 10 to
15 kt. Seas 4 to 7 ft. 
.WED...NE winds 10 to 20 kt, becoming E to SE 10 to 15 kt. Seas
4 to 6 ft. 
.WED NIGHT...S to SE winds 15 to 20 kt. Seas 4 to 6 ft. 
.THU...S winds 20 to 25 kt, becoming SW. Seas 5 to 8 ft. 
.THU NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. 
.FRI...W to SW winds 10 to 20 kt, becoming W to NW 5 to 15 kt.
Seas 4 to 8 ft. 
.FRI NIGHT...NW winds 10 to 20 kt, becoming N 15 to 20 kt. Seas
4 to 6 ft. 

$$

.Forecaster Clark. Ocean Prediction Center.