FZNT21 KWBC 182111
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
511 PM 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.

ANZ898-190745-
511 PM EDT Fri Sep 18 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front over the outer
waters will pass S of the region early tonight. 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
low pressure develops along the boundary, then lift slowly N
towards the waters Wed and Wed night. Strong high pressure will
build N of the region Tue and Tue night, then continue Wed and
Wed night.

$$

ANZ800-190745-
Gulf of Maine to the Hague Line-
511 PM EDT Fri Sep 18 2026

.TONIGHT...W to NW winds 10 to 15 kt, becoming N to NW 15 to
25 kt. Seas 3 to 6 ft.
.SAT...N winds 15 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...Variable winds less than 10 kt, becoming E to NE.
Seas 3 to 4 ft.
.MON...N winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft.
.TUE...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE winds 10 to 20 kt, becoming E 15 to 20 kt. Seas
3 to 6 ft.
.WED...E winds 15 to 25 kt. Seas 4 to 8 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 5 to 9 ft.

$$

ANZ805-190745-
Georges Bank between Cape Cod and 68W north of 1000 FM-
511 PM EDT Fri Sep 18 2026

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

.TONIGHT...N winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
6 ft.
.SAT...N to NE winds 15 to 20 kt, becoming NE 10 to 15 kt. Seas
4 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...E to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E to SE winds less than 10 kt. Seas 3 to 4 ft.
.MON...N to NE winds 15 to 25 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...E to NE winds 20 to 30 kt, becoming E 25 to 35 kt.
Seas 7 to 12 ft.
.WED...E winds 25 to 35 kt. Seas 9 to 15 ft.
.WED NIGHT...E winds 30 to 40 kt. Seas 10 to 17 ft.

$$

ANZ900-190745-
Georges Bank between 68W and the Hague Line-
511 PM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE WED...

.TONIGHT...N to NW winds 10 to 15 kt, becoming N 10 to 20 kt.
Seas 3 to 6 ft. Chance of showers and tstms.
.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 less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...S to SE winds less than 10 kt, becoming E to SE.
Seas 3 to 4 ft.
.MON...N 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 5 to 9 ft.
.TUE NIGHT...E to NE winds 20 to 30 kt. Seas 6 to 11 ft.
.WED...E winds 25 to 30 kt, becoming 25 to 35 kt. Seas 8 to
14 ft.
.WED NIGHT...E winds 25 to 35 kt. Seas 9 to 16 ft.

$$

ANZ810-190745-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
511 PM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...N winds 10 to 15 kt, becoming NE, then, increasing to
15 to 20 kt. Seas 3 to 4 ft.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 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. Seas 3 to
4 ft.
.SUN NIGHT...S winds 5 to 10 kt, becoming S to SW 5 to 15 kt.
Seas 3 to 5 ft.
.MON...N to NE winds 15 to 25 kt. Seas 4 to 7 ft.
.MON NIGHT...NE winds 20 to 25 kt. Seas 7 to 8 ft.
.TUE...NE winds 25 to 30 kt, becoming 25 to 35 kt. Seas 8 to
11 ft.
.TUE NIGHT...NE winds 30 to 35 kt, becoming E. Seas 9 to 13 ft.
.WED...E winds 30 to 35 kt. Seas 12 to 16 ft.
.WED NIGHT...E winds 30 to 40 kt. Seas 14 to 17 ft.

$$

ANZ815-190745-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
511 PM EDT Fri Sep 18 2026

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...N winds 5 to 10 kt, becoming N to NE 5 to 15 kt,
then, 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
5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 5 ft.
.SUN...SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas 3 to
4 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming SW. Seas 3 to 5 ft.
.MON...N winds 10 to 20 kt, becoming NE 15 to 25 kt. Seas 4 to
7 ft.
.MON NIGHT...NE winds 20 to 30 kt. Seas 7 to 9 ft.
.TUE...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas
9 to 12 ft.
.TUE NIGHT...NE winds 30 to 35 kt, becoming E. Seas 11 to 14 ft.
.WED...E to NE winds 30 to 35 kt. Seas 14 to 16 ft.
.WED NIGHT...NE winds 30 to 40 kt. Seas 16 to 17 ft.

$$

.Forecaster Kells. Ocean Prediction Center.