935
FZNT21 KWBC 200258
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1058 PM EDT Tue Aug 19 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.

ANZ898-210215-
1058 PM EDT Tue Aug 19 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure over the region
will gradually shift E of the area tonight through Wed night.
The center of Hurricane Erin is expected to pass NE through the
Outer Mid- Atlantic Waters Thu night into Fri, remaining S of the
waters. Tropical storm conditions are expected to cover nearly
all of the waters along and S of Georges Bank late Thu through
Fri.. Erin will move farther away from the area Fri night into
Sat. Long period S swell from Hurricane Erin will continue
through Thu night before backing to the SE and E Fri night. A
high pressure ridge will move E across the waters Fri night and
Sat, then shift E of the area Sat night into Sun. A cold front
will near the region from the W by Sun night. For more
information on Hurricane Erin, please closely monitor the latest
forecasts from the National Hurricane Center.

$$

ANZ800-210215-
Gulf of Maine to the Hague Line-
1058 PM EDT Tue Aug 19 2025

.TONIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.WED...E to SE winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 6 ft. Chance of showers.
.THU...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to
10 ft. Chance of rain.
.THU NIGHT...NE winds 20 to 30 kt. Seas 9 to 16 ft.
.FRI...NE winds 20 to 30 kt, becoming N. Seas 11 to 19 ft.
.FRI NIGHT...N to NE winds 10 to 20 kt. Seas 10 to 17 ft.
.SAT...N winds 5 to 15 kt, becoming S. Seas 6 to 10 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 8 ft.
.SUN...S winds 10 to 20 kt. Seas 5 to 6 ft.
.SUN NIGHT...S winds 15 to 20 kt. Seas 5 to 6 ft.

$$

ANZ805-210215-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1058 PM EDT Tue Aug 19 2025

...TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT...

.TONIGHT...E to SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas
4 to 8 ft.
.WED...E winds 5 to 15 kt. Seas 4 to 8 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 7 to 12 ft. Chance of
showers.
.THU...E to NE winds 20 to 30 kt. Seas 12 to 20 ft. Chance of
rain.
.THU NIGHT...NE winds 30 to 40 kt. Seas 16 to 29 ft.
.FRI...NE winds 30 to 40 kt, becoming N 25 to 35 kt. Seas 14 to
29 ft.
.FRI NIGHT...N winds 20 to 30 kt, diminishing to 10 to 20 kt.
Seas 13 to 22 ft.
.SAT...N winds 5 to 15 kt, becoming E to SE. Seas 7 to 13 ft.
.SAT NIGHT...S winds 5 to 15 kt. Seas 5 to 9 ft.
.SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to
7 ft.
.SUN NIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas
5 to 7 ft.

$$

ANZ900-210215-
Georges Bank between 68W and the Hague Line-
1058 PM EDT Tue Aug 19 2025

...TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT...

.TONIGHT...E winds less than 10 kt. Seas 4 to 7 ft.
.WED...E winds 5 to 15 kt. Seas 5 to 8 ft.
.WED NIGHT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
6 to 10 ft.
.THU...E winds 20 to 30 kt. Seas 11 to 18 ft. Chance of rain.
.THU NIGHT...E to NE winds 30 to 40 kt. Seas 13 to 28 ft.
.FRI...N to NE winds 35 to 45 kt. Seas 16 to 30 ft.
.FRI NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 15 to 25 ft.
.SAT...N winds 10 to 20 kt, diminishing to 5 to 10 kt. Seas 8 to
14 ft.
.SAT NIGHT...S to SE winds less than 10 kt. Seas 6 to 9 ft.
.SUN...S to SE winds 5 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.

$$

ANZ810-210215-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1058 PM EDT Tue Aug 19 2025

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 8 ft.
.WED...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 6 to
9 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 8 to 14 ft. Chance of
showers.
.THU...E winds 20 to 30 kt, becoming NE 25 to 35 kt. Seas 13 to
22 ft. Chance of rain.
.THU NIGHT...NE winds 30 to 40 kt. Seas 15 to 29 ft.
.FRI...N winds 30 to 40 kt. Seas 14 to 28 ft.
.FRI NIGHT...N winds 20 to 30 kt, diminishing to 5 to 15 kt.
Seas 13 to 21 ft.
.SAT...N to NE winds 5 to 15 kt, becoming E to SE 5 to 10 kt.
Seas 7 to 12 ft.
.SAT NIGHT...S winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to
9 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.

$$

ANZ815-210215-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1058 PM EDT Tue Aug 19 2025

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 8 ft.
.WED...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 5 to
9 ft. Chance of showers.
.WED NIGHT...E winds 15 to 25 kt. Seas 9 to 15 ft. Chance of
showers.
.THU...NE winds 25 to 30 kt, increasing to 30 to 40 kt. Seas
15 to 24 ft. Showers and tstms, then chance of rain.
.THU NIGHT...NE winds 30 to 40 kt, becoming N. Seas 15 to 25 ft.
.FRI...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
13 to 22 ft.
.FRI NIGHT...N to NE winds 10 to 20 kt, becoming variable less
than 10 kt. Seas 11 to 18 ft.
.SAT...W winds less than 10 kt, becoming S. Seas 6 to 11 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 8 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

$$

.Forecaster Connelly. Ocean Prediction Center.