Offshore Waters Forecast (New England)

FZNT21 KWBC 172027
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
427 PM EDT Tue Mar 17 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.

ANZ898-180830-
427 PM EDT Tue Mar 17 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Behind a strong cold front
moving farther E into the N Atlantic, a secondary cold front or
surface trough moves through the waters this evening. High 
pressure then gradually builds E tonight and Wed, continuing 
through Thu. A front moves through the waters Thu night and Fri, 
then a warm front approaches the area from the S and SW Fri 
night. The warm front moves NE across the waters Sat, with a cold
front approaching from the NW Sat night. The cold front moves E
across the area Sun and Sun night.

$$

ANZ800-180830-
Gulf of Maine to the Hague Line-
427 PM EDT Tue Mar 17 2026

.TONIGHT...W winds 20 to 30 kt. Seas 9 to 16 ft. Light freezing
spray. 
.WED...NW winds 15 to 25 kt, becoming W to NW 5 to 15 kt. Seas
7 to 12 ft. Light freezing spray. 
.WED NIGHT...S winds 5 to 15 kt, becoming SE. Seas 4 to 8 ft.
Light freezing spray. 
.THU...SE winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas
4 to 5 ft. 
.THU NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.FRI NIGHT...W to SW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 3 to 5 ft. 
.SAT...S winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 3 to
5 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft.
.SUN...SW winds 20 to 30 kt, becoming W to NW 10 to 20 kt. Seas
6 to 10 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. 

$$

ANZ805-180830-
Georges Bank between Cape Cod and 68W north of 1000 FM-
427 PM EDT Tue Mar 17 2026

.TONIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft. 
.WED...NW winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas
6 to 11 ft. Light freezing spray. 
.WED NIGHT...Variable winds less than 10 kt, becoming E. Seas
5 to 8 ft. 
.THU...E winds 5 to 10 kt. Seas 4 to 5 ft. 
.THU NIGHT...E to NE winds 5 to 10 kt, becoming variable 5 to
15 kt. Seas 3 to 4 ft. 
.FRI...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas
3 to 5 ft. 
.FRI NIGHT...W to SW winds less than 10 kt. Seas 4 to 5 ft. 
.SAT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
5 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 5 to 9 ft. 
.SUN...SW winds 20 to 30 kt, becoming W to SW 10 to 20 kt. Seas
5 to 9 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. 

$$

ANZ900-180830-
Georges Bank between 68W and the Hague Line-
427 PM EDT Tue Mar 17 2026

.TONIGHT...W to NW winds 20 to 30 kt. Seas 12 to 16 ft. Chance
of rain. 
.WED...NW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas
7 to 13 ft. 
.WED NIGHT...Variable winds less than 5 kt, becoming E. Seas
5 to 9 ft. 
.THU...E to NE winds 5 to 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. 
.FRI...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. 
.FRI NIGHT...W to NW winds 5 to 10 kt, becoming variable. Seas
4 to 5 ft. 
.SAT...Variable winds less than 10 kt, becoming S 10 to 20 kt.
Seas 3 to 5 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 4 to 5 ft, building to
5 to 9 ft. 
.SUN...S winds 20 to 30 kt, becoming SW 15 to 25 kt. Seas 5 to
9 ft. 
.SUN NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 7 ft. 

$$

ANZ810-180830-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
427 PM EDT Tue Mar 17 2026

.TONIGHT...W to NW winds 15 to 25 kt. Seas 9 to 15 ft. 
.WED...NW winds 10 to 15 kt, becoming N. Seas 6 to 10 ft. 
.WED NIGHT...Variable winds less than 5 kt, becoming E. Seas
4 to 7 ft. 
.THU...E winds 5 to 10 kt. Seas 4 to 5 ft. 
.THU NIGHT...E to NE winds 5 to 10 kt, becoming variable. Seas
3 to 4 ft. 
.FRI...W to SW winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...S to SW winds less than 10 kt. Seas 3 to 5 ft. 
.SAT...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas
3 to 5 ft. 
.SAT NIGHT...S to SW winds 20 to 30 kt. Seas 4 to 8 ft. 
.SUN...W to SW winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN NIGHT...N to NE winds 20 to 30 kt. Seas 5 to 8 ft. 

$$

ANZ815-180830-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
427 PM EDT Tue Mar 17 2026

.TONIGHT...W to NW winds 20 to 30 kt. Seas 8 to 13 ft. 
.WED...N to NW winds 10 to 15 kt, becoming variable. Seas 4 to
8 ft. 
.WED NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. 
.THU...E to SE winds less than 10 kt. Seas 4 to 5 ft. 
.THU NIGHT...E to SE winds 5 to 10 kt, becoming variable. Seas
3 to 4 ft. 
.FRI...W to SW winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...S to SE winds 5 to 15 kt, becoming S 15 to 25 kt. Seas
3 to 5 ft. 
.SAT NIGHT...S winds 20 to 25 kt, becoming SW 20 to 30 kt. Seas
5 to 8 ft. 
.SUN...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.