Offshore Waters Forecast (New England)

FZNT21 KWBC 210838
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
438 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.

ANZ898-211945-
438 AM EDT Tue Apr 21 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A weak cold front will
dissipate over the waters this morning. 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 
Wed night into Thu night. High pressure will build across the 
region Fri into Sat night as low pressure passes S of the area. 

$$

ANZ800-211945-
Gulf of Maine to the Hague Line-
438 AM EDT Tue Apr 21 2026

.TODAY...N to NE winds 15 to 20 kt, becoming N less than 10 kt.
Seas 3 to 5 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. Chance of rain. 
.WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. 
.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 10 kt, becoming N 10 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, becoming N to NW. Seas
3 to 4 ft. 

$$

ANZ805-211945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
438 AM EDT Tue Apr 21 2026

.TODAY...N to NE winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 3 to 5 ft. Chance of showers and tstms. 
.TONIGHT...Variable winds 5 to 15 kt, becoming W to NW. Seas
3 to 4 ft. 
.WED...Variable winds 5 to 15 kt, becoming S. Seas 3 to 4 ft.
Chance of rain. 
.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 less than 10 kt, becoming variable. Seas
3 to 5 ft. 
.THU NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.FRI...NW winds 5 to 10 kt, becoming N to NW 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. 

$$

ANZ900-211945-
Georges Bank between 68W and the Hague Line-
438 AM EDT Tue Apr 21 2026

.TODAY...N to NE winds 5 to 15 kt. Seas 3 to 5 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. 
.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. 

$$

ANZ810-211945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
438 AM EDT Tue Apr 21 2026

.TODAY...N winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers
and tstms. 
.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. 
.THU...N to NE winds 5 to 10 kt, becoming W to NW. 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 less than 10 kt. Seas 3 to 4 ft. 
.SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 

$$

ANZ815-211945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
438 AM EDT Tue Apr 21 2026

.TODAY...N winds 15 to 20 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 less than 10 kt, becoming N. Seas
4 to 5 ft. 
.THU...N to NW winds less than 5 kt, becoming W 10 to 15 kt.
Seas 3 to 5 ft. 
.THU NIGHT...W winds 5 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. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas
4 to 7 ft. 

$$

.Forecaster Byrd. Ocean Prediction Center.