New England Continental Shelf

FZNT21 KWBC 290825
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
425 AM EDT Tue Apr 29 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.

ANZ898-292015-
425 AM EDT Tue Apr 29 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A high pressure ridge will 
persist across the area today, then shift SE tonight as a cold 
front approaches from the W. The cold front will move across the 
waters Wed, then stall S of the region Wed night into Thu. High 
pressure will move quickly SE across the waters Thu and Thu 
night. The front will lift back N across the waters as a warm 
front Fri. Another cold front will approach the coast late Fri 
into Sat, and then will move slowly E off the coast late Sat and 
Sat night. 

$$

ANZ800-292015-
Gulf of Maine to the Hague Line-
425 AM EDT Tue Apr 29 2025

.TODAY...SW winds less than 10 kt, increasing to 20 to 30 kt.
Seas 3 to 6 ft. 
.TONIGHT...SW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
showers. Slight chance of tstms. 
.WED...W to NW winds 15 to 25 kt. Seas 5 to 9 ft. Chance of
showers and slight chance of tstms. 
.WED NIGHT...NW winds 10 to 20 kt, becoming N to NW 10 to 15 kt.
Seas 3 to 6 ft. 
.THU...N to NW winds 5 to 15 kt, becoming W to SW. Seas 3 to
5 ft. 
.THU NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...S winds 20 to 25 kt, becoming SW 10 to 20 kt. Seas
4 to 8 ft. 
.SAT...SW winds 10 to 20 kt, becoming S. Seas 3 to 6 ft. 
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. 

$$

ANZ805-292015-
Georges Bank between Cape Cod and 68W north of 1000 FM-
425 AM EDT Tue Apr 29 2025

.TODAY...W winds 10 to 15 kt, becoming SW 15 to 25 kt. Seas 3 to
6 ft. 
.TONIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. Slight chance
of tstms. 
.WED...W to SW winds 20 to 30 kt, becoming NW 10 to 20 kt. Seas
5 to 9 ft. Chance of showers and slight chance of tstms. 
.WED NIGHT...NW winds 5 to 15 kt, becoming N. Seas 3 to 6 ft. 
.THU...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. 
.THU NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. 
.FRI...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 6 ft. 
.SAT...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. 
.SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 8 ft. 

$$

ANZ900-292015-
Georges Bank between 68W and the Hague Line-
425 AM EDT Tue Apr 29 2025

.TODAY...W to NW winds 5 to 15 kt, becoming W to SW, then,
becoming SW 15 to 25 kt. Seas 3 to 5 ft. 
.TONIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. Slight chance
of tstms. 
.WED...W to SW winds 20 to 30 kt, becoming NW 10 to 20 kt. Seas
6 to 10 ft. Chance of showers and slight chance of tstms. 
.WED NIGHT...N to NW winds 5 to 15 kt. Seas 5 to 7 ft. 
.THU...N winds 5 to 10 kt, becoming NW. Seas 3 to 5 ft. 
.THU NIGHT...Variable winds less than 10 kt, becoming S. Seas
3 to 4 ft. 
.FRI...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. 
.SAT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...S winds 15 to 20 kt. Seas 7 to 8 ft. 

$$

ANZ810-292015-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
425 AM EDT Tue Apr 29 2025

.TODAY...W to SW winds 10 to 15 kt, becoming SW 15 to 20 kt.
Seas 3 to 5 ft. 
.TONIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. Slight chance
of tstms. 
.WED...W to SW winds 15 to 25 kt, becoming W to NW 5 to 15 kt.
Seas 5 to 9 ft. Chance of showers and slight chance of tstms. 
.WED NIGHT...Variable winds 5 to 15 kt, becoming N to NE. Seas
3 to 6 ft. 
.THU...E winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. 
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas
3 to 4 ft. 
.FRI...S winds 15 to 25 kt. Seas 3 to 5 ft. 
.FRI NIGHT...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. 
.SAT...S to SW winds 15 to 25 kt. Seas 5 to 7 ft. 
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 8 ft. 

$$

ANZ815-292015-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
425 AM EDT Tue Apr 29 2025

.TODAY...W to SW winds 10 to 15 kt, becoming SW 15 to 25 kt.
Seas 3 to 6 ft. 
.TONIGHT...SW winds 20 to 30 kt. Seas 5 to 8 ft. Slight chance
of tstms. 
.WED...W to SW winds 15 to 25 kt, becoming NW 5 to 15 kt. Seas
5 to 8 ft. Chance of showers and slight chance of tstms. 
.WED NIGHT...N to NW winds 5 to 15 kt, becoming N to NE 5 to
10 kt. Seas 3 to 5 ft. 
.THU...E winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. 
.THU NIGHT...SE winds 10 to 15 kt, becoming S. Seas 3 to 4 ft. 
.FRI...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.SAT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.SAT NIGHT...SW winds 10 to 15 kt, becoming N to NW 5 to 15 kt.
Seas 4 to 7 ft. 

$$

.Forecaster Collins. Ocean Prediction Center.