FZNT21 KWBC 180829
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
429 AM EDT Sat Apr 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.

ANZ898-182000-
429 AM EDT Sat Apr 18 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will continue S
of the area today, while a weak high pressure ridge moves E
across the waters. The ridge weakens later today, then a warm
front lifts N over the area tonight into Sun. A strong cold
front will move offshore Sun, then pass E of the waters Sun
night. A secondary cold front will cross the area Mon, then pass
E of the waters Mon night. Another ridge will build E into the
region Mon night and Tue, then shift E of the waters Tue night as
another cold front approaches from the W. The front will move SE
across the waters Wed and Wed night.

$$

ANZ800-182000-
Gulf of Maine to the Hague Line-
429 AM EDT Sat Apr 18 2026

.TODAY...E winds 15 to 25 kt. Seas 4 to 7 ft. Areas of fog with
vsby 1 nm or less early.
.TONIGHT...E winds 10 to 20 kt, becoming SE less than 10 kt.
Seas 5 to 7 ft.
.SUN...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to
6 ft. Chance of rain with vsby 1 nm or less.
.SUN NIGHT...NW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas
4 to 7 ft. Rain with vsby 1 nm or less.
.MON...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
6 ft.
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 3 to 6 ft.
.TUE...N to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.WED...SW winds 10 to 20 kt, becoming W to SW 5 to 10 kt. Seas
3 to 5 ft.
.WED NIGHT...SW winds 5 to 10 kt, becoming W. Seas 3 to 5 ft.

$$

ANZ805-182000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
429 AM EDT Sat Apr 18 2026

.TODAY...E to NE winds 10 to 20 kt. Seas 4 to 6 ft. Areas of fog
with vsby 1 nm or less early.
.TONIGHT...E to NE winds 5 to 15 kt, becoming SW. Seas 4 to
6 ft.
.SUN...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. Chance of rain
and areas of fog with vsby 1 nm or less. Scattered tstms with
vsby 1 nm or less.
.SUN NIGHT...W to NW winds 15 to 25 kt, becoming NW 10 to 15 kt.
Seas 5 to 7 ft. Rain with vsby 1 nm or less.
.MON...W to NW winds 5 to 15 kt, becoming W to SW. Seas 3 to
6 ft.
.MON NIGHT...W to NW winds 5 to 15 kt, becoming N 15 to 25 kt.
Seas 3 to 6 ft.
.TUE...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to
6 ft.
.TUE NIGHT...W to NW winds 5 to 15 kt, becoming W to SW 10 to
20 kt. Seas 3 to 4 ft.
.WED...SW winds 10 to 20 kt, becoming W 10 to 15 kt. Seas 3 to
5 ft.
.WED NIGHT...S to SW winds less than 10 kt. Seas 4 to 5 ft.

$$

ANZ900-182000-
Georges Bank between 68W and the Hague Line-
429 AM EDT Sat Apr 18 2026

.TODAY...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. Areas of fog
with vsby 1 nm or less early. Areas of fog with vsby 1 nm or
less.
.TONIGHT...E winds 5 to 15 kt, becoming W to SW. Seas 5 to 7 ft.
Areas of fog with vsby 1 nm or less.
.SUN...S to SW winds 5 to 15 kt, becoming S 15 to 20 kt. Seas
4 to 6 ft. Areas of fog. Scattered tstms. Vsby 1 NM or less.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 7 ft. Rain
with vsby 1 nm or less.
.MON...NW winds 5 to 15 kt, becoming W to SW 5 to 10 kt. Seas
4 to 6 ft.
.MON NIGHT...W to SW winds 5 to 15 kt, becoming N 10 to 20 kt.
Seas 3 to 5 ft.
.TUE...N winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...N to NW winds 10 to 15 kt, becoming W. Seas 3 to
4 ft.
.WED...SW winds 10 to 15 kt, becoming W to SW 5 to 10 kt. Seas
3 to 4 ft.
.WED NIGHT...W to SW winds 5 to 10 kt. Seas 4 to 5 ft.

$$

ANZ810-182000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
429 AM EDT Sat Apr 18 2026

.TODAY...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
3 to 5 ft. Areas of fog with vsby 1 nm or less.
.TONIGHT...Variable winds less than 10 kt, becoming S. Seas 3 to
5 ft.
.SUN...S winds 10 to 20 kt, becoming W to NW 15 to 20 kt. Seas
4 to 6 ft. Scattered showers and tstms with vsby 1 nm or less.
.SUN NIGHT...NW winds 15 to 25 kt, becoming W to NW 10 to 15 kt.
Seas 4 to 7 ft. Chance of rain.
.MON...W winds 5 to 10 kt, becoming W to NW 10 to 20 kt. Seas
3 to 6 ft.
.MON NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...N winds 15 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to
6 ft.
.TUE NIGHT...S to SW winds 5 to 15 kt, becoming W to SW 10 to
20 kt. Seas 3 to 4 ft.
.WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
4 to 5 ft.
.WED NIGHT...S to SE winds 5 to 10 kt, becoming variable. Seas
4 to 5 ft.

$$

ANZ815-182000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
429 AM EDT Sat Apr 18 2026

.TODAY...E to NE winds 5 to 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less.
.TONIGHT...E to SE winds 5 to 10 kt, becoming S to SE 10 to
15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.
.SUN...S to SW winds 15 to 20 kt, becoming NW 15 to 25 kt. Seas
4 to 7 ft. Scattered showers and tstms with vsby 1 nm or less.
.SUN NIGHT...NW winds 15 to 25 kt, becoming W to SW 10 to 15 kt.
Seas 4 to 7 ft. Chance of rain.
.MON...W winds 10 to 20 kt, becoming NW. Seas 3 to 4 ft.
.MON NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas
3 to 6 ft.
.TUE NIGHT...S to SW winds 10 to 15 kt, becoming SW 15 to 20 kt.
Seas 3 to 4 ft.
.WED...SW winds 15 to 20 kt, diminishing to 5 to 10 kt. Seas
4 to 5 ft.
.WED NIGHT...W to SW winds 5 to 10 kt. Seas 4 to 5 ft.

$$

.Forecaster Collins. Ocean Prediction Center.