Offshore Waters Forecast (New England)

FZNT21 KWBC 162020
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
420 PM EDT Wed Sep 16 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.

ANZ898-170815-
420 PM EDT Wed Sep 16 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will continue 
across the waters tonight into Thu, then shift E of the region 
Thu night. A stationary front will persist SE of the area tonight
into Fri while a series of weak low pressure centers track NE 
along the boundary. A low pressure trough will persist along the 
Maine coast tonight into Thu. A strong cold front will move S 
over the region Fri. Another high will build SE across the region
Fri night into Sat, then shift E of the waters Sat night. A warm
front will lift N through the area Sun and Sun night, before low
pressure moves SE through the waters Sun night and Mon while 
pulling a cold front over the area. Yet another high will build 
SE towards the region Mon night.

$$

ANZ800-170815-
Gulf of Maine to the Hague Line-
420 PM EDT Wed Sep 16 2026

.TONIGHT...SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to
4 ft. 
.THU...S to SW winds 5 to 10 kt, becoming S 5 to 15 kt. Seas
3 to 4 ft. 
.THU NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt. Seas
3 to 4 ft. Chance of showers. 
.FRI...W to NW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of
rain. 
.FRI NIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. 
.SAT...N winds 10 to 20 kt, diminishing to less than 10 kt. Seas
3 to 5 ft. 
.SAT NIGHT...Variable winds less than 5 kt, becoming S to SE.
Seas 3 ft, becoming 2 ft or less. 
.SUN...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...S winds 5 to 15 kt, becoming NE. Seas 3 to 4 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 4 ft. 

$$

ANZ805-170815-
Georges Bank between Cape Cod and 68W north of 1000 FM-
420 PM EDT Wed Sep 16 2026

.TONIGHT...Variable winds less than 10 kt, becoming SW. Seas
3 to 4 ft. 
.THU...S winds less than 10 kt, increasing to 5 to 15 kt. Seas
3 to 4 ft. 
.THU NIGHT...S winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 4 ft. Chance of showers. 
.FRI...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to
4 ft. 
.FRI NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. 
.SAT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft. 
.SAT NIGHT...E to NE winds 5 to 15 kt, becoming E 5 to 10 kt.
Seas 3 to 5 ft. 
.SUN...SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. 
.MON...E to NE winds 5 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 5 ft. 

$$

ANZ900-170815-
Georges Bank between 68W and the Hague Line-
420 PM EDT Wed Sep 16 2026

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

$$

ANZ810-170815-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
420 PM EDT Wed Sep 16 2026

.TONIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. 
.THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 3 to 4 ft. 
.FRI...W winds 10 to 20 kt, becoming N to NW 10 to 15 kt. Seas
3 to 4 ft. 
.FRI NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 5 ft. 
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
4 to 5 ft. 
.SAT NIGHT...E to NE winds 10 to 15 kt, becoming E 5 to 10 kt.
Seas 3 to 5 ft. 
.SUN...SE winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas
3 to 4 ft. 
.SUN NIGHT...S to SE winds 5 to 15 kt, becoming S to SW. Seas
3 to 5 ft. 
.MON...E to NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 6 ft. 

$$

ANZ815-170815-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
420 PM EDT Wed Sep 16 2026

.TONIGHT...W winds less than 5 kt, becoming SW. Seas 3 to 4 ft. 
.THU...SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...S to SW winds 10 to 15 kt, becoming SW 15 to 20 kt.
Seas 3 to 4 ft. 
.FRI...W winds 10 to 15 kt, becoming N. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 5 ft. 
.SAT...NE winds 15 to 20 kt, becoming E 10 to 15 kt. Seas 4 to
5 ft. 
.SAT NIGHT...E winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. 
.SUN...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...S winds 10 to 15 kt, becoming W to SW. Seas 3 to
5 ft. 
.MON...N winds 10 to 20 kt, becoming NE 15 to 20 kt. Seas 4 to
6 ft. 
.MON NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. 

$$

.Forecaster Kells. Ocean Prediction Center.