Offshore Waters Forecast (New England)

FZNT21 KWBC 230825
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
425 AM EDT Sat May 23 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.

ANZ898-232030-
425 AM EDT Sat May 23 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will weaken
across the waters this morning, before another high builds N and
then E of the region later today into tonight. A stationary front
will continue S of the area today, then lift N towards the region
tonight. The front will then lift N across the waters Sun and Sun
night as low pressure tracks NE along the coast. The low will
pass E of the area Mon and Mon night while pulling a cold front
across the waters. Yet another high will build E over the region
Tue, then shift S and weaken Tue night. Another cold front will
move S over the area Tue night through Wed night as low pressure
tracks S along the boundary.

$$

ANZ800-232030-
Gulf of Maine to the Hague Line-
425 AM EDT Sat May 23 2026

.TODAY...NW winds 5 to 10 kt, becoming E. Seas 3 ft early,
becoming 2 ft or less. 
.TONIGHT...Variable winds less than 10 kt, becoming SE. Seas
2 ft or less. 
.SUN...SE winds 5 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds 15 to 25 kt. Seas 4 to 8 ft. Rain likely. 
.MON...S to SE winds 20 to 30 kt, becoming S to SW 10 to 20 kt.
Seas 6 to 9 ft. 
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 8 ft. 
.TUE...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 4 to
6 ft. 
.TUE NIGHT...SW winds 10 to 15 kt, becoming W. Seas 4 to 5 ft. 
.WED...W to NW winds 5 to 15 kt, becoming E. Seas 3 to 5 ft. 
.WED NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 3 to 6 ft. 

$$

ANZ805-232030-
Georges Bank between Cape Cod and 68W north of 1000 FM-
425 AM EDT Sat May 23 2026

.TODAY...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E to SE winds 15 to 25 kt. Seas 6 to 10 ft. 
.SUN NIGHT...SE winds 15 to 25 kt. Seas 6 to 11 ft. Rain likely
with vsby 1 nm or less. 
.MON...S winds 15 to 25 kt, becoming W to SW 10 to 20 kt. Seas
5 to 9 ft. 
.MON NIGHT...W to NW winds 5 to 10 kt. Seas 5 to 8 ft. 
.TUE...W winds 5 to 10 kt, becoming W to SW 5 to 15 kt. Seas
4 to 6 ft. 
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...W winds 5 to 15 kt. Seas 4 to 5 ft. 
.WED NIGHT...E winds 5 to 15 kt. Seas 4 to 5 ft. 

$$

ANZ900-232030-
Georges Bank between 68W and the Hague Line-
425 AM EDT Sat May 23 2026

.TODAY...E to NE winds 5 to 15 kt, becoming N to NE, then,
becoming E to NE. Seas 3 to 4 ft. 
.TONIGHT...E winds 5 to 15 kt. Seas 3 to 4 ft. 
.SUN...E to SE winds 10 to 20 kt. Seas 3 to 6 ft. 
.SUN NIGHT...SE winds 15 to 25 kt. Seas 5 to 9 ft. Rain likely
with vsby 1 nm or less. 
.MON...S to SE winds 20 to 30 kt, becoming S to SW 15 to 25 kt.
Seas 7 to 10 ft. 
.MON NIGHT...NW winds 5 to 15 kt, becoming W. Seas 6 to 9 ft. 
.TUE...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 5 to
7 ft. 
.TUE NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED...W winds 5 to 15 kt, becoming variable. Seas 4 to 5 ft. 
.WED NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft. 

$$

ANZ810-232030-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
425 AM EDT Sat May 23 2026

.TODAY...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 5 to
8 ft. 
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft. 
.SUN...E to SE winds 20 to 25 kt. Seas 6 to 11 ft. Rain likely. 
.SUN NIGHT...SE winds 15 to 25 kt, becoming S 15 to 20 kt. Seas
6 to 11 ft. Rain likely, then scattered showers and chance of
tstms. Vsby 1 NM or less. 
.MON...SW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
5 to 9 ft. 
.MON NIGHT...Variable winds less than 10 kt, becoming W. Seas
5 to 8 ft. 
.TUE...W winds less than 10 kt. Seas 4 to 6 ft. 
.TUE NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. 
.WED...W winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft. 

$$

ANZ815-232030-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
425 AM EDT Sat May 23 2026

.TODAY...E winds 15 to 20 kt, increasing to 20 to 30 kt. Seas
6 to 11 ft. Rain likely. 
.TONIGHT...E winds 20 to 30 kt. Seas 7 to 13 ft. Rain likely. 
.SUN...E winds 20 to 25 kt, becoming SE 15 to 25 kt. Seas 9 to
11 ft. Rain likely with vsby 1 nm or less. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft. Rain
likely, then scattered showers and chance of tstms. Vsby 1 NM or
less. 
.MON...W to SW winds 10 to 15 kt, becoming W to NW 5 to 10 kt.
Seas 5 to 7 ft. 
.MON NIGHT...W winds 5 to 10 kt. Seas 4 to 6 ft. 
.TUE...Variable winds less than 5 kt, becoming W to SW. Seas
3 to 5 ft. 
.TUE NIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.WED...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to
4 ft. 
.WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft. 

$$

.Forecaster Kells. Ocean Prediction Center.