Offshore Waters Forecast (New England)

FZNT21 KWBC 240831
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
431 AM EDT Thu Sep 24 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.

ANZ898-242000-
431 AM EDT Thu Sep 24 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Strong high pressure centered 
N of the area will drift N into the weekend. Broad low pressure 
organizing along a stalled front S of the area early this morning
will move slowly N and NE and strengthen today into tonight. The
broad, strengthening low will drift N across the Mid-Atlantic 
waters later tonight into Fri night, then continue moving N into 
the area later Fri night or early Sat. The low will then stall, 
or briefly move W, just to the SE and S of Long Island late Sat 
into Sun night while slowly weakening. The low will finally 
move E and NE late Sun night into Mon night. Mariners should 
continue monitoring forecasts, and consider avoidance plans as 
needed. This will be a long duration event, and highly impactful 
to the mariner into the upcoming weekend. 

$$

ANZ800-242000-
Gulf of Maine to the Hague Line-
431 AM EDT Thu Sep 24 2026

...GALE WARNING...

.TODAY...NE winds 15 to 25 kt. Seas 7 to 12 ft. 
.TONIGHT...NE winds 20 to 30 kt. Seas 8 to 14 ft. Chance of
rain. 
.FRI...NE winds 30 to 40 kt. Seas 10 to 17 ft. Rain likely. 
.FRI NIGHT...NE winds 35 to 45 kt. Seas 12 to 20 ft. Rain.
.SAT...NE winds 30 to 40 kt. Seas 14 to 20 ft. 
.SAT NIGHT...E to NE winds 25 to 35 kt. Seas 11 to 16 ft. 
.SUN...E winds 20 to 30 kt. Seas 10 to 14 ft. 
.SUN NIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.MON...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. 
.MON NIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 6 ft. 

$$

ANZ805-242000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
431 AM EDT Thu Sep 24 2026

...STORM WARNING...

.TODAY...NE winds 30 to 40 kt. Seas 12 to 20 ft. 
.TONIGHT...NE winds 35 to 45 kt, increasing to 40 to 50 kt. Seas
15 to 25 ft. Rain likely. 
.FRI...NE winds 35 to 45 kt. Seas 14 to 22 ft. Rain.
.FRI NIGHT...NE winds 30 to 40 kt. Seas 14 to 22 ft. Showers and
slight chance of tstms. 
.SAT...E to NE winds 25 to 35 kt. Seas 13 to 19 ft. 
.SAT NIGHT...E winds 20 to 30 kt, becoming S to SW. Seas 10 to
15 ft. 
.SUN...E to SE winds 20 to 30 kt. Seas 8 to 12 ft. 
.SUN NIGHT...E to SE winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON...E winds 5 to 15 kt, becoming N to NW. Seas 5 to 8 ft. 
.MON NIGHT...NW winds 10 to 15 kt, becoming W. Seas 4 to 7 ft. 

$$

ANZ900-242000-
Georges Bank between 68W and the Hague Line-
431 AM EDT Thu Sep 24 2026

...GALE WARNING...

.TODAY...NE winds 30 to 40 kt. Seas 12 to 20 ft. 
.TONIGHT...NE winds 35 to 45 kt. Seas 13 to 23 ft. Rain likely. 
.FRI...NE winds 35 to 45 kt. Seas 14 to 20 ft. Rain.
.FRI NIGHT...E to NE winds 30 to 40 kt. Seas 12 to 19 ft.
Showers and slight chance of tstms. 
.SAT...E winds 25 to 35 kt. Seas 12 to 19 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 10 to 14 ft. 
.SUN...S winds 15 to 25 kt, becoming E. Seas 9 to 12 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON...E to SE winds 5 to 15 kt, becoming S to SW. Seas 6 to
8 ft. 
.MON NIGHT...S to SW winds 5 to 15 kt, becoming W. Seas 5 to
7 ft. 

$$

ANZ810-242000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
431 AM EDT Thu Sep 24 2026

...STORM WARNING...

.TODAY...NE winds 30 to 40 kt. Seas 12 to 20 ft. 
.TONIGHT...NE winds 35 to 45 kt, becoming 35 to 50 kt. Seas
15 to 25 ft. Rain likely. 
.FRI...N to NE winds 35 to 50 kt. Seas 17 to 24 ft. Rain.
.FRI NIGHT...N winds 40 to 50 kt, diminishing to 35 to 45 kt.
Seas 15 to 22 ft. Showers and slight chance of tstms. 
.SAT...N winds 30 to 40 kt. Seas 13 to 19 ft. 
.SAT NIGHT...N winds 25 to 35 kt, becoming SW. Seas 10 to 15 ft.
.SUN...SW winds 20 to 30 kt. Seas 7 to 12 ft. 
.SUN NIGHT...W to SW winds 15 to 20 kt. Seas 7 to 9 ft. 
.MON...W to SW winds 10 to 20 kt, becoming NW 15 to 20 kt. Seas
6 to 8 ft. 
.MON NIGHT...NW winds 10 to 20 kt, becoming W to NW 10 to 15 kt.
Seas 4 to 7 ft. 

$$

ANZ815-242000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
431 AM EDT Thu Sep 24 2026

...STORM WARNING...

.TODAY...NE winds 30 to 40 kt. Seas 11 to 19 ft. 
.TONIGHT...NE winds 35 to 45 kt. Seas 13 to 22 ft. Rain likely. 
.FRI...NE winds 35 to 50 kt, becoming N 40 to 50 kt. Seas 15 to
23 ft. Rain likely. 
.FRI NIGHT...N winds 35 to 50 kt, becoming 35 to 45 kt. Seas
15 to 23 ft. Rain, then showers likely and slight chance of
tstms. 
.SAT...N winds 35 to 45 kt. Seas 12 to 19 ft. 
.SAT NIGHT...N winds 30 to 40 kt, becoming NW 25 to 35 kt. Seas
10 to 15 ft. 
.SUN...W to NW winds 25 to 30 kt, becoming W to SW 20 to 25 kt.
Seas 9 to 13 ft. 
.SUN NIGHT...SW winds 15 to 20 kt, becoming N. Seas 7 to 10 ft. 
.MON...N to NW winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft. 

$$

.Forecaster Mills. Ocean Prediction Center.