Offshore Waters Forecast (New England)

FZNT21 KWBC 120821
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
421 AM EDT Wed Aug 12 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.

ANZ898-122030-
421 AM EDT Wed Aug 12 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front over the waters will
move SE, passing S of the area early today. Weak high pressure 
will build across the waters today into tonight, then shift E of
the region Thu. Another cold front will move E across the area 
Thu night into Fri. Another high will build SE into the region 
Fri night into Sun, and then shift S of the waters Sun night. 

$$

ANZ800-122030-
Gulf of Maine to the Hague Line-
421 AM EDT Wed Aug 12 2026

.TODAY...N to NW winds 5 to 10 kt, becoming variable, then,
becoming W to SW. Seas 3 to 4 ft. 
.TONIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Chance of rain. 
.THU...SW winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...SW winds 5 to 10 kt, becoming W. Seas 3 to 4 ft. 
.FRI...NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt. Seas
4 to 7 ft. 
.SAT...N winds 10 to 15 kt, becoming NW. Seas 3 to 6 ft. 
.SAT NIGHT...W winds 5 to 10 kt, becoming N to NW. Seas 3 to
4 ft. 
.SUN...Variable winds less than 5 kt, becoming S. Seas 3 to
4 ft. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. 

$$

ANZ805-122030-
Georges Bank between Cape Cod and 68W north of 1000 FM-
421 AM EDT Wed Aug 12 2026

.TODAY...W winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.
Scattered showers and tstms. 
.TONIGHT...Variable winds less than 10 kt, becoming W to SW.
Seas 3 to 4 ft. Rain with vsby 1 nm or less. 
.THU...SW winds 5 to 10 kt. Seas 3 to 4 ft. Chance of showers
with vsby 1 nm or less. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...W to NW winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...N to NW winds 10 to 15 kt, becoming N 10 to 20 kt.
Seas 4 to 6 ft. 
.SAT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...N to NW winds 5 to 15 kt, becoming W to NW 5 to
10 kt. Seas 3 to 4 ft. 
.SUN...W to NW winds less than 5 kt, becoming S to SW. Seas 3 to
4 ft. 
.SUN NIGHT...S to SW winds 5 to 15 kt, increasing to 10 to
20 kt. Seas 3 to 4 ft. 

$$

ANZ900-122030-
Georges Bank between 68W and the Hague Line-
421 AM EDT Wed Aug 12 2026

.TODAY...W winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.
Scattered tstms. 
.TONIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Scattered
showers and tstms. Areas of fog with vsby 1 nm or less.
.THU...SW winds less than 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Scattered 
showers and tstms. 
.FRI...W winds 5 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds 10 to 20 kt, becoming N 15 to 20 kt. Seas
4 to 7 ft. 
.SAT...N winds 15 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...NW winds 5 to 10 kt, becoming W to SW. Seas 3 to 4 ft. 
.SUN NIGHT...S to SW winds 5 to 10 kt, becoming S 10 to 15 kt.
Seas 3 to 4 ft. 

$$

ANZ810-122030-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
421 AM EDT Wed Aug 12 2026

.TODAY...W winds 5 to 10 kt, becoming variable, then, becoming N
to NW. Seas 3 to 4 ft. Scattered showers and tstms. 
.TONIGHT...N to NW winds less than 10 kt, becoming W. Seas 3 to
4 ft. 
.THU...W to SW winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas
3 to 4 ft. Chance of showers. 
.THU NIGHT...W to SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...W winds 5 to 10 kt, becoming W to NW 10 to 15 kt. Seas
3 to 4 ft. 
.FRI NIGHT...N winds 10 to 20 kt. Seas 4 to 5 ft. 
.SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...N winds 5 to 10 kt, becoming W to NW. Seas 3 to
4 ft. 
.SUN...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt, increasing to 15 to 25 kt.
Seas 3 to 4 ft. 

$$

ANZ815-122030-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
421 AM EDT Wed Aug 12 2026

.TODAY...W winds 5 to 10 kt, becoming N to NW. Seas 3 to 4 ft.
Scattered showers and tstms. 
.TONIGHT...Variable winds less than 5 kt, becoming W. Seas 3 to
4 ft. 
.THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 2 ft
or less, becoming 3 ft. Chance of showers.
.THU NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft. 
.FRI...W winds 5 to 10 kt, becoming NW 10 to 15 kt. Seas 3 to
4 ft. 
.FRI NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 5 ft. 
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
5 ft. 
.SAT NIGHT...Variable winds less than 5 kt, becoming W. Seas
3 to 4 ft. 
.SUN...W to NW winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft. 
.SUN NIGHT...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.