Offshore Waters Forecast (New England)

FZNT21 KWBC 211431
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1031 AM EDT Tue Apr 21 2026

New England continental shelf and slope waters from 60 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.

ANZ898-220400-
1031 AM EDT Tue Apr 21 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will build E 
over the region today and tonight, then shift E of the area Wed. 
A warm front will extend E over the region Wed. Low pressure will
move across the S waters Wed and Wed night while pulling a cold 
front across the area, followed by a secondary cold front Thu
into Thu night. High pressure will build across the region Fri 
into Sat night as low pressure passes S of the area. 

$$

ANZ800-220400-
Gulf of Maine to the Hague Line-
1031 AM EDT Tue Apr 21 2026

.TODAY...N winds 5 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 4 ft. 
.TONIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. 
.WED...S winds 5 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain.
.THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft. 
.FRI...N winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 4 ft. 
.FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.SAT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. 

$$

ANZ805-220400-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1031 AM EDT Tue Apr 21 2026

.TODAY...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...Variable winds 5 to 15 kt, diminishing to less than
10 kt. Seas 3 to 4 ft. 
.WED...Variable winds 5 to 15 kt, becoming S. Seas 3 to 4 ft. 
.WED NIGHT...S to SE winds 10 to 15 kt, becoming E to SE 5 to
15 kt. Seas 3 to 5 ft. Chance of rain. 
.THU...E to NE winds 5 to 10 kt, becoming N to NW. Seas 3 to
5 ft. 
.THU NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.FRI...N to NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
5 ft. 
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
5 ft. 
.SAT NIGHT...N to NE winds 5 to 10 kt. Seas 3 to 5 ft. 

$$

ANZ900-220400-
Georges Bank between 68W and the Hague Line-
1031 AM EDT Tue Apr 21 2026

.TODAY...NE winds 10 to 15 kt, becoming N 5 to 15 kt. Seas 3 to
4 ft. 
.TONIGHT...N winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 4 ft. 
.WED...Variable winds less than 10 kt, becoming S. Seas 3 to
4 ft. 
.WED NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
rain. 
.THU...E winds 5 to 10 kt, becoming N to NE. Seas 3 to 4 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. 
.FRI...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 6 ft. 
.SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 6 ft. 

$$

ANZ810-220400-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1031 AM EDT Tue Apr 21 2026

.TODAY...N winds 5 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...N to NE winds less than 10 kt, becoming variable.
Seas 3 to 4 ft. 
.WED...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain. 
.WED NIGHT...SE winds 5 to 15 kt, becoming E to NE. Seas 4 to
5 ft. Chance of rain. 
.THU...N to NE winds 5 to 10 kt, becoming W to NW 5 to 15 kt.
Seas 4 to 5 ft. 
.THU NIGHT...W winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
3 to 4 ft. 
.FRI...NW winds 5 to 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. 
.SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft. 

$$

ANZ815-220400-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1031 AM EDT Tue Apr 21 2026

.TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 5 ft. 
.TONIGHT...S winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft. 
.WED...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. Chance of rain. 
.WED NIGHT...S to SE winds 5 to 10 kt, becoming N. Seas 4 to
5 ft. 
.THU...N to NW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas
3 to 5 ft. 
.THU NIGHT...W winds 10 to 15 kt, becoming N to NE 5 to 10 kt.
Seas 3 to 4 ft. 
.FRI...N to NE winds 5 to 10 kt, becoming N to NW. Seas 3 to
4 ft. 
.FRI NIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
4 ft. 
.SAT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 7 ft. 

$$

.Forecaster Kells. Ocean Prediction Center.