FZNT21 KWBC 180838
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
438 AM EDT Fri Sep 18 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.

ANZ898-181945-
438 AM EDT Fri Sep 18 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move S over
the region today. High pressure will build SE across the region
tonight 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 late Sun night and Mon while
pulling a cold front over the area. The cold front will stall S
of the area Mon through Tue night, as a strong high pressure
builds S across New England.

$$

ANZ800-181945-
Gulf of Maine to the Hague Line-
438 AM EDT Fri Sep 18 2026

.TODAY...S to SW winds 10 to 15 kt, becoming W to NW. Seas 3 to
4 ft. Chance of showers with vsby 1 nm or less.
.TONIGHT...N to NW winds 15 to 25 kt. Seas 3 to 6 ft.
.SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to
6 ft.
.SAT NIGHT...Variable winds less than 10 kt, becoming SE. Seas
3 to 4 ft.
.SUN...S to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...S winds less than 10 kt, becoming E. Seas 3 to
5 ft.
.MON...NE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
6 ft.
.MON NIGHT...NE winds 10 to 15 kt, increasing to 20 to 25 kt.
Seas 3 to 5 ft.
.TUE...NE winds 15 to 25 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE winds 15 to 20 kt, becoming E 20 to 25 kt. Seas
4 to 7 ft.

$$

ANZ805-181945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
438 AM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...W to SW winds 10 to 15 kt, becoming N. Seas 3 to 5 ft.
Chance of showers.
.TONIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT...NE winds 15 to 20 kt, diminishing to 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...E to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...S to SE winds 5 to 15 kt, becoming E. Seas 3 to
6 ft.
.MON...NE winds 10 to 20 kt. Seas 3 to 6 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft.
.TUE...NE winds 20 to 30 kt. Seas 6 to 10 ft.
.TUE NIGHT...NE winds 20 to 30 kt, becoming E 25 to 35 kt. Seas
7 to 12 ft.

$$

ANZ900-181945-
Georges Bank between 68W and the Hague Line-
438 AM EDT Fri Sep 18 2026

.TODAY...W to SW winds 10 to 15 kt, becoming W to NW 10 to
20 kt. Seas 3 to 5 ft. Chance of showers.
.TONIGHT...N winds 10 to 20 kt. Seas 4 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...S to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...Variable winds 5 to 15 kt, becoming E. Seas 3 to
4 ft.
.MON...E to NE winds 10 to 20 kt. Seas 3 to 6 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft.
.TUE...NE winds 20 to 30 kt. Seas 6 to 9 ft.
.TUE NIGHT...NE winds 20 to 30 kt, becoming E 25 to 30 kt. Seas
6 to 11 ft.

$$

ANZ810-181945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
438 AM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...SW winds 10 to 15 kt, becoming W, then, becoming N.
Seas 3 to 5 ft. Chance of showers.
.TONIGHT...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 6 ft.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 5 ft.
.SUN...E to SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt.
Seas 3 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 4 to 7 ft.
.MON...N to NE winds 10 to 20 kt. Seas 4 to 7 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft.
.TUE...NE winds 25 to 30 kt. Seas 6 to 10 ft.
.TUE NIGHT...E to NE winds 30 to 35 kt. Seas 8 to 12 ft.

$$

ANZ815-181945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
438 AM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...SW winds 10 to 15 kt, becoming W, then, becoming N 5 to
10 kt. Seas 3 to 5 ft. Chance of showers.
.TONIGHT...N to NE winds 5 to 10 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, 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 20 kt, becoming SW. Seas 3 to 6 ft.
.MON...N to NE winds 10 to 20 kt. Seas 4 to 7 ft.
.MON NIGHT...NE winds 20 to 25 kt. Seas 6 to 8 ft.
.TUE...NE winds 25 to 30 kt. Seas 8 to 12 ft.
.TUE NIGHT...NE winds 30 to 35 kt. Seas 11 to 13 ft.

$$

.Forecaster Collins. Ocean Prediction Center.