866
FZNT21 KWBC 170830
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
430 AM EDT Thu Sep 17 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.

ANZ898-171945-
430 AM EDT Thu Sep 17 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will persist
across the waters today, then shift E of the region tonight. A
cold front will reach the New England coast tonight, then 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 into the area Sun and Sun night, before
low pressure moves E across the waters Sun night and Mon while
pulling a cold front over the area. Yet another high will build
SE towards the region later Mon and Mon night.

$$

ANZ800-171945-
Gulf of Maine to the Hague Line-
430 AM EDT Thu Sep 17 2026

.TODAY...SW winds 5 to 10 kt, becoming S. Seas 3 to 4 ft. Areas
of fog with vsby 1 nm or less.
.TONIGHT...S winds 10 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 3 to 4 ft. Chance of showers.
.FRI...W to SW winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas
3 to 5 ft. Chance of showers.
.FRI NIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft.
.SAT...N winds 15 to 20 kt, diminishing to 5 to 10 kt. Seas 3 to
6 ft.
.SAT NIGHT...Variable winds less than 5 kt, becoming S to SE.
Seas 3 to 4 ft.
.SUN...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.MON...E to NE winds 10 to 20 kt, becoming NE 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.

$$

ANZ805-171945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
430 AM EDT Thu Sep 17 2026

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

$$

ANZ900-171945-
Georges Bank between 68W and the Hague Line-
430 AM EDT Thu Sep 17 2026

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

$$

ANZ810-171945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
430 AM EDT Thu Sep 17 2026

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

$$

ANZ815-171945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
430 AM EDT Thu Sep 17 2026

.TODAY...SW winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 4 ft.
.FRI...W winds 10 to 15 kt, becoming N. Seas 3 to 4 ft. Chance
of showers.
.FRI NIGHT...N to NE winds 10 to 15 kt, becoming NE 10 to 20 kt.
Seas 3 to 4 ft.
.SAT...NE winds 15 to 20 kt, becoming E to NE 10 to 15 kt. Seas
4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas
3 to 5 ft.
.SUN...S to SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 3 to 6 ft.
.MON...E winds 10 to 20 kt, becoming NE. Seas 4 to 6 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft.

$$

.Forecaster Collins. Ocean Prediction Center.