040
FZNT21 KWBC 190301
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1101 PM EDT Mon Aug 18 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.

ANZ898-200230-
1101 PM EDT Mon Aug 18 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure over the region
will continue Tue, then shift E of the area Tue night through Wed
night. The eye of Hurricane Erin is expected to pass NE through
the Outer Mid-Atlantic Waters Thu night into Fri, remaining S of
the waters, then move farther away from the area Fri night into
Sat. Tropical storm conditions are expected to remain near and S
of Georges Bank. 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 Fri night. A high pressure ridge will
build across the waters late Fri and Fri night and continue into
Sat night. For more information on Hurricane Erin, please closely
monitor the latest forecasts from the National Hurricane Center.

$$

ANZ800-200230-
Gulf of Maine to the Hague Line-
1101 PM EDT Mon Aug 18 2025

.TONIGHT...N to NE winds 10 to 20 kt, becoming NE 5 to 15 kt.
Seas 3 to 5 ft.
.TUE...NE winds 5 to 15 kt, becoming E. Seas 3 to 4 ft.
.TUE NIGHT...E to SE winds less than 10 kt, becoming S to SE.
Seas 3 to 5 ft.
.WED...SE winds less than 10 kt. Seas 3 to 6 ft.
.WED NIGHT...SE winds less than 10 kt, becoming E. Seas 4 to
8 ft.
.THU...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to
11 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 10 to 17 ft.
.FRI...NE winds 20 to 30 kt. Seas 11 to 18 ft.
.FRI NIGHT...N to NE winds 15 to 25 kt. Seas 9 to 16 ft.
.SAT...N winds 10 to 20 kt, becoming E to SE 5 to 10 kt. Seas
7 to 12 ft.
.SAT NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
6 to 10 ft.

$$

ANZ805-200230-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1101 PM EDT Mon Aug 18 2025

...TROPICAL STORM CONDITIONS POSSIBLE FRI...

.TONIGHT...NE winds 10 to 20 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 10 kt, becoming E to SE 5 to 15 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
8 to 14 ft.
.THU...E winds 15 to 25 kt, becoming NE 20 to 30 kt. Seas 12 to
21 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 16 to 28 ft.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...N winds 20 to 30 kt. Seas 13 to 21 ft.
.SAT...N to NE winds 15 to 25 kt. Seas 9 to 15 ft.
.SAT NIGHT...E to SE winds less than 10 kt, becoming S. Seas
7 to 12 ft.

$$

ANZ900-200230-
Georges Bank between 68W and the Hague Line-
1101 PM EDT Mon Aug 18 2025

...TROPICAL STORM CONDITIONS POSSIBLE FRI...

.TONIGHT...N to NE winds 10 to 20 kt, becoming NE 10 to 15 kt.
Seas 4 to 7 ft.
.TUE...E to NE winds 5 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to
8 ft.
.WED...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to 9 ft.
.WED NIGHT...E winds 5 to 15 kt. Seas 7 to 12 ft.
.THU...E winds 15 to 25 kt. Seas 11 to 19 ft.
.THU NIGHT...E to NE winds 20 to 30 kt. Seas 14 to 27 ft.
.FRI...Tropical storm conditions possible.
.FRI NIGHT...N winds 20 to 30 kt. Seas 14 to 23 ft.
.SAT...N winds 20 to 30 kt. Seas 10 to 17 ft.
.SAT NIGHT...E to NE winds 5 to 15 kt, becoming S to SE. Seas
8 to 14 ft.

$$

ANZ810-200230-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1101 PM EDT Mon Aug 18 2025

.TONIGHT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft.
.TUE...E winds 10 to 20 kt, becoming 10 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 10 to 15 kt. Seas 6 to 10 ft.
.WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 9 to 15 ft.
.THU...E winds 20 to 25 kt, becoming NE 20 to 30 kt. Seas 14 to
23 ft.
.THU NIGHT...NE winds 25 to 30 kt. Seas 16 to 28 ft.
.FRI...NE winds 25 to 30 kt, becoming N 20 to 30 kt. Seas 14 to
27 ft.
.FRI NIGHT...N winds 20 to 30 kt. Seas 12 to 20 ft.
.SAT...N winds 15 to 25 kt, becoming NE 5 to 15 kt. Seas 8 to
14 ft.
.SAT NIGHT...E to SE winds 5 to 10 kt, becoming S 10 to 15 kt.
Seas 6 to 11 ft.

$$

ANZ815-200230-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1101 PM EDT Mon Aug 18 2025

.TONIGHT...E winds 15 to 20 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 9 ft.
.WED...E winds 10 to 15 kt. Seas 6 to 11 ft. Chance of showers.
.WED NIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 10 to 16 ft.
.THU...E to NE winds 25 to 30 kt. Seas 14 to 24 ft.
.THU NIGHT...NE winds 25 to 30 kt. Seas 15 to 25 ft.
.FRI...N to NE winds 20 to 30 kt. Seas 14 to 23 ft.
.FRI NIGHT...NE winds 15 to 25 kt, becoming N 5 to 15 kt. Seas
10 to 17 ft.
.SAT...N to NE winds 5 to 15 kt, becoming variable. Seas 7 to
12 ft.
.SAT NIGHT...S winds 5 to 15 kt. Seas 5 to 9 ft.

$$

.Forecaster Connelly. Ocean Prediction Center.