663
FZNT21 KWBC 180303
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1103 PM EDT Sun Aug 17 2025

New England continental shelf and slope waters from 25 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.

ANZ898-190230-
1103 PM EDT Sun Aug 17 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will slowly move
S across the waters tonight into early Mon, then pass S of the
area late Mon and Mon night as high pressure builds S across the
region. The high will remain over the area Tue, then shift E of
the area Tue night through Wed night. Hurricane Erin will remain
S and E of the waters, making its closest approach Thu night as
it lifts NE through the Outer Mid-Atlantic Waters. Long period S
swell from Hurricane Erin will move into the region Tue, then
continue through Thu night before backing to the SE and E Thu
night through Fri night. A high pressure ridge will build across
the waters late Fri and Fri night. For more information on
Hurricane Erin, please closely monitor the latest forecasts from
the National Hurricane Center.

$$

ANZ800-190230-
Gulf of Maine to the Hague Line-
1103 PM EDT Sun Aug 17 2025

.TONIGHT...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. Scattered
showers and tstms.
.MON...N to NE winds 15 to 25 kt. Seas 4 to 7 ft.
.MON NIGHT...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas
3 to 5 ft.
.TUE...NE winds 5 to 10 kt, becoming E. Seas 3 to 4 ft.
.TUE NIGHT...S to SE winds less than 10 kt. Seas 3 to 5 ft.
.WED...S to SE winds less than 10 kt. Seas 3 to 6 ft.
.WED NIGHT...SE winds less than 10 kt, becoming E. Seas 5 to
9 ft.
.THU...E winds 5 to 15 kt, becoming E to NE 10 to 20 kt. Seas
9 to 15 ft.
.THU NIGHT...NE winds 15 to 25 kt. Seas 10 to 17 ft.
.FRI...N winds 15 to 25 kt. Seas 10 to 16 ft.
.FRI NIGHT...Variable winds 5 to 15 kt, becoming W 5 to 10 kt.
Seas 6 to 10 ft.

$$

ANZ805-190230-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1103 PM EDT Sun Aug 17 2025

.TONIGHT...SW winds 5 to 15 kt, becoming N to NE 15 to 25 kt.
Seas 4 to 7 ft. Scattered showers and tstms.
.MON...NE winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers
and tstms.
.MON NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.
.TUE...E winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE NIGHT...E to SE winds 5 to 15 kt. Seas 5 to 9 ft.
.WED...E winds 5 to 15 kt. Seas 6 to 11 ft.
.WED NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas
10 to 17 ft.
.THU...E winds 20 to 30 kt, becoming NE. Seas 14 to 24 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 14 to 24 ft.
.FRI...N winds 20 to 30 kt. Seas 11 to 18 ft.
.FRI NIGHT...N winds 5 to 15 kt, becoming variable. Seas 7 to
11 ft.

$$

ANZ900-190230-
Georges Bank between 68W and the Hague Line-
1103 PM EDT Sun Aug 17 2025

.TONIGHT...SW winds 5 to 15 kt, becoming N 15 to 25 kt. Seas
3 to 6 ft. Scattered showers and tstms.
.MON...N winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers and
tstms.
.MON NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.
.TUE...E to NE winds 5 to 15 kt. Seas 4 to 7 ft.
.TUE NIGHT...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to
8 ft.
.WED...E winds 5 to 15 kt. Seas 6 to 10 ft.
.WED NIGHT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
10 to 16 ft.
.THU...E winds 15 to 25 kt, becoming NE 20 to 30 kt. Seas 14 to
23 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 15 to 25 ft.
.FRI...N winds 20 to 30 kt. Seas 13 to 21 ft, subsiding to 9 to
15 ft.
.FRI NIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 10 kt.
Seas 8 to 12 ft.

$$

ANZ810-190230-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1103 PM EDT Sun Aug 17 2025

.TONIGHT...SW winds 10 to 15 kt, becoming NE 15 to 25 kt. Seas
3 to 5 ft. Scattered showers and tstms.
.MON...NE winds 15 to 25 kt. Seas 4 to 8 ft. Isolated showers
and tstms.
.MON NIGHT...E to NE winds 15 to 20 kt. Seas 4 to 8 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 8 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft.
.WED...E winds 10 to 15 kt. Seas 7 to 12 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 11 to 18 ft.
.THU...NE winds 20 to 30 kt. Seas 14 to 24 ft.
.THU NIGHT...NE winds 25 to 30 kt, becoming N 20 to 30 kt. Seas
14 to 24 ft.
.FRI...N winds 20 to 30 kt. Seas 10 to 17 ft.
.FRI NIGHT...N to NE winds 5 to 15 kt, becoming variable less
than 5 kt. Seas 6 to 11 ft.

$$

ANZ815-190230-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1103 PM EDT Sun Aug 17 2025

.TONIGHT...SW winds 10 to 15 kt, becoming NE 15 to 25 kt. Seas
3 to 4 ft. Scattered showers and tstms.
.MON...E to NE winds 20 to 30 kt. Seas 4 to 8 ft. Isolated
showers and tstms.
.MON NIGHT...E winds 15 to 25 kt. Seas 5 to 8 ft.
.TUE...E winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 to 8 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 10 ft.
.WED...E winds 10 to 20 kt. Seas 7 to 12 ft.
.WED NIGHT...E to NE winds 15 to 25 kt. Seas 11 to 18 ft.
.THU...NE winds 20 to 30 kt. Seas 13 to 22 ft.
.THU NIGHT...NE winds 20 to 30 kt, becoming N. Seas 12 to 21 ft.
.FRI...N to NE winds 15 to 25 kt. Seas 9 to 15 ft.
.FRI NIGHT...E to SE winds 5 to 10 kt, becoming S. Seas 6 to
10 ft.

$$

.Forecaster Connelly. Ocean Prediction Center.