519
FZNT21 KWBC 222034
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
434 PM EDT Fri Aug 22 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.

ANZ898-230815-
434 PM EDT Fri Aug 22 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...Post-tropical cyclone Erin
will continue moving E into the North Atlantic tonight. High
pressure will build offshore tonight into Sat, then shift E of
the waters Sat night into Sun. Low pressure will develop S of the
area Sun, then track NE across the outer portions Sun night into
Mon. A cold front will slowly approach the coast Sun and Sun
night, then move E across the area Mon and Mon night. A series of
weak low pressure troughs will move across the waters Tue
through Wed night.

$$

ANZ800-230815-
Gulf of Maine to the Hague Line-
434 PM EDT Fri Aug 22 2025

.TONIGHT...N to NE winds 5 to 15 kt, becoming S to SW. Seas 8 to
14 ft.
.SAT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to
9 ft.
.SAT NIGHT...S winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN...S winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 5 ft.
.MON...S winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...S winds 5 to 15 kt, becoming W. Seas 3 to 4 ft.
.TUE...W to SW winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...W to SW winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...W to SW winds 10 to 15 kt. Seas 3 to 6 ft.
.WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas
3 to 4 ft.

$$

ANZ805-230815-
Georges Bank between Cape Cod and 68W north of 1000 FM-
434 PM EDT Fri Aug 22 2025

.TONIGHT...N winds 15 to 25 kt, becoming N to NW 5 to 10 kt.
Seas 9 to 16 ft. Chance of showers.
.SAT...S to SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
6 to 10 ft.
.SAT NIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas
5 to 8 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 6 ft.
.MON...S to SE winds 5 to 15 kt, becoming variable. Seas 3 to
5 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming W. Seas
3 to 5 ft.
.TUE...W winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...W to SW winds 10 to 20 kt, becoming W 10 to 15 kt.
Seas 3 to 5 ft.
.WED...W winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...W to SW winds 10 to 15 kt, becoming W 5 to 10 kt.
Seas 3 to 4 ft.

$$

ANZ900-230815-
Georges Bank between 68W and the Hague Line-
434 PM EDT Fri Aug 22 2025

.TONIGHT...N winds 20 to 30 kt, diminishing to 5 to 10 kt. Seas
11 to 19 ft. Chance of showers early.
.SAT...N to NE winds less than 10 kt, becoming S to SE. Seas
7 to 11 ft.
.SAT NIGHT...S winds 5 to 15 kt. Seas 6 to 9 ft.
.SUN...S winds 5 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 5 ft.
.MON...S to SE winds 5 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming W to NW.
Seas 3 to 5 ft.
.TUE...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 4 to
5 ft.
.TUE NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...W winds 5 to 10 kt. Seas 4 to 5 ft.
.WED NIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.

$$

ANZ810-230815-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
434 PM EDT Fri Aug 22 2025

.TONIGHT...N winds 10 to 20 kt, becoming N to NE 5 to 15 kt,
then, becoming W to SW 5 to 10 kt. Seas 9 to 15 ft. Chance of
showers.
.SAT...Variable winds less than 10 kt, becoming S to SE. Seas
6 to 10 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 8 ft.
.SUN...S to SE winds 10 to 15 kt. Seas 4 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 6 ft.
.MON...SE winds 5 to 10 kt, becoming variable. Seas 3 to 5 ft.
.MON NIGHT...W to NW winds less than 10 kt, becoming W. Seas
3 to 4 ft.
.TUE...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft.

$$

ANZ815-230815-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
434 PM EDT Fri Aug 22 2025

.TONIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas
7 to 12 ft.
.SAT...W to SW winds less than 10 kt, becoming S. Seas 5 to
9 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 7 ft.
.SUN...S winds 5 to 15 kt. Seas 3 to 6 ft.
.SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 6 ft.
.MON...S to SE winds less than 10 kt, becoming W to SW. Seas
3 to 4 ft.
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...W to NW winds 10 to 15 kt, becoming W 10 to 20 kt. Seas
3 to 4 ft.
.TUE NIGHT...W winds 10 to 15 kt, becoming NW. Seas 3 to 5 ft.
.WED...NW winds 5 to 10 kt, becoming W. Seas 3 to 4 ft.
.WED NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt. Seas
3 to 4 ft.

$$

.Forecaster Collins. Ocean Prediction Center.