Offshore Waters Forecast (New England)

FZNT21 KWBC 210815
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
415 AM EDT Sat Mar 21 2026

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.

ANZ898-212000-
415 AM EDT Sat Mar 21 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will cross the
waters today and tonight. A warm front will approach the coast 
later tonight, then lift N across the region Sun as the parent 
low pressure center approaches the area. The low and associated 
cold front will move across the waters Sun night into Mon. High 
pressure will build across the area behind the front Mon night 
and persist into Tue night. Another cold front will move through 
the waters Wed and Wed night. 

$$

ANZ800-212000-
Gulf of Maine to the Hague Line-
415 AM EDT Sat Mar 21 2026

.TODAY...S to SW winds 15 to 25 kt, becoming N 10 to 20 kt. Seas
5 to 9 ft. Chance of rain. 
.TONIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft. 
.SUN...SE winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
4 to 7 ft. Chance of rain and chance of snow. 
.SUN NIGHT...E winds 20 to 30 kt, becoming NE 15 to 25 kt. Seas
4 to 8 ft. Slight chance of rain with vsby 1 nm or less. 
.MON...N to NE winds 20 to 30 kt. Seas 6 to 10 ft. 
.MON NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. 
.TUE...N winds 15 to 25 kt, becoming W to NW 5 to 15 kt. Seas
6 to 10 ft. 
.TUE NIGHT...S to SW winds 10 to 20 kt, becoming W to SW 15 to
25 kt. Seas 3 to 6 ft. 
.WED...W to SW winds 5 to 10 kt, becoming S 20 to 30 kt. Seas
3 to 6 ft. 
.WED NIGHT...SW winds 20 to 30 kt, becoming NW 10 to 20 kt. Seas
7 to 11 ft. 

$$

ANZ805-212000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
415 AM EDT Sat Mar 21 2026

.TODAY...S winds 15 to 25 kt, becoming W to SW, then, becoming N
10 to 20 kt. Seas 4 to 8 ft. Chance of rain. 
.TONIGHT...N to NE winds 5 to 15 kt, becoming S to SE. Seas 3 to
6 ft. 
.SUN...SE winds 15 to 25 kt, becoming S. Seas 4 to 7 ft. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
rain with vsby 1 nm or less. 
.MON...N to NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. 
.TUE...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
6 to 10 ft. 
.TUE NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...W to SW winds 5 to 15 kt, becoming S 15 to 25 kt. Seas
3 to 5 ft. 
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. 

$$

ANZ900-212000-
Georges Bank between 68W and the Hague Line-
415 AM EDT Sat Mar 21 2026

.TODAY...S to SW winds 15 to 25 kt, becoming N to NW 15 to
20 kt. Seas 5 to 8 ft. Chance of rain. 
.TONIGHT...N winds 10 to 20 kt, becoming N to NE 5 to 15 kt.
Seas 4 to 6 ft. 
.SUN...S to SE winds 15 to 25 kt. Seas 4 to 7 ft. 
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 7 ft. Chance
of rain with vsby 1 nm or less. 
.MON...S to SW winds 15 to 25 kt, becoming N. Seas 6 to 9 ft. 
.MON NIGHT...N winds 20 to 30 kt. Seas 9 to 11 ft. 
.TUE...N to NW winds 20 to 30 kt. Seas 7 to 11 ft. 
.TUE NIGHT...W to NW winds 10 to 15 kt, becoming W to SW 10 to
20 kt. Seas 5 to 7 ft. 
.WED...W winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas
4 to 5 ft. 
.WED NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. 

$$

ANZ810-212000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
415 AM EDT Sat Mar 21 2026

.TODAY...W to SW winds 15 to 25 kt, becoming N 10 to 20 kt. Seas
5 to 9 ft. Chance of rain. 
.TONIGHT...E to NE winds 5 to 15 kt, becoming SE. Seas 3 to
6 ft. 
.SUN...S winds 15 to 25 kt. Seas 4 to 6 ft. Areas of fog with
vsby 1 nm or less. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. Chance of
rain with vsby 1 nm or less. 
.MON...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. 
.TUE...N winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas 5 to
9 ft. 
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 7 ft. 
.WED...SW winds 5 to 15 kt, becoming S to SW 15 to 20 kt. Seas
3 to 5 ft. 
.WED NIGHT...SW winds 20 to 25 kt, becoming W 10 to 20 kt. Seas
5 to 7 ft. 

$$

ANZ815-212000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
415 AM EDT Sat Mar 21 2026

.TODAY...SW winds 15 to 25 kt, becoming W to NW 10 to 20 kt,
then, becoming N 5 to 15 kt. Seas 5 to 9 ft. Slight chance of
rain. 
.TONIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. 
.SUN...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. Areas of fog
with vsby 1 nm or less. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. Chance of
rain with vsby 1 nm or less. 
.MON...N to NE winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON NIGHT...N winds 20 to 30 kt. Seas 5 to 8 ft. 
.TUE...N winds 15 to 25 kt, becoming variable less than 10 kt.
Seas 5 to 8 ft. 
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 5 ft. 
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. 

$$

.Forecaster Shaw. Ocean Prediction Center.