411
FZNT21 KWBC 292023
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
423 PM EDT Fri Aug 29 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.

ANZ898-300815-
423 PM EDT Fri Aug 29 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...Strengthening low pressure
will pass E and then NE of the waters tonight into Sat as a cold
front moves slowly offshore. The front will pass E of the area
Sat night followed by a weak low pressure trough. High pressure
will build E and SE into the waters Sun, before retreating to the
inner waters Sun night. The high will persist over the inner
waters Mon into Mon night as low pressure passes SE and then E of
the area. The high will move E and cover most of the area Tue as
the low moves off to the E and NE of the waters. The high will
dominate the waters Tue night and Wed before moving off to the E
of the waters Wed night as low pressure organizes to the S and
SW of the area.

$$

ANZ800-300815-
Gulf of Maine to the Hague Line-
423 PM EDT Fri Aug 29 2025

.TONIGHT...S winds 10 to 20 kt, becoming S to SW 5 to 15 kt.
Seas 3 to 4 ft. Numerous showers and scattered tstms.
.SAT...S to SW winds 10 to 20 kt, becoming W to SW 5 to 15 kt.
Seas 3 to 4 ft. Scattered showers and chance of tstms.
.SAT NIGHT...W to SW winds 5 to 15 kt, becoming W to NW. Seas
3 to 4 ft.
.SUN...N winds 5 to 15 kt, becoming W to NW. Seas 3 to 4 ft.
.SUN NIGHT...W winds less than 10 kt, becoming N to NW. Seas
2 to 4 ft.
.MON...NE winds less than 10 kt. Seas 2 to 4 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming N to NW.
Seas 2 ft or less.
.TUE...E to NE winds less than 10 kt, becoming S to SW. Seas
2 ft or less.
.TUE NIGHT...SW winds less than 10 kt, increasing to 5 to 15 kt.
Seas becoming 3 to 5 ft.
.WED...SW winds less than 10 kt, becoming S to SW. Seas 3 to
5 ft.
.WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft.

$$

ANZ805-300815-
Georges Bank between Cape Cod and 68W north of 1000 FM-
423 PM EDT Fri Aug 29 2025

.TONIGHT...E to SE winds 10 to 20 kt, diminishing to 5 to 15 kt,
then, becoming SW 5 to 10 kt. Seas 3 to 4 ft. Scattered showers
and chance of tstms.
.SAT...W to SW winds 5 to 15 kt, becoming W to NW. Seas 3 to
4 ft. Scattered showers and chance of tstms.
.SAT NIGHT...W to NW winds 5 to 10 kt, becoming 5 to 15 kt. Seas
3 to 4 ft.
.SUN...N to NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...N to NE winds less than 10 kt. Seas 2 to 4 ft.
.MON and MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...NE winds 5 to 15 kt, becoming E to NE. Seas 3 to 4 ft.
.TUE NIGHT...E winds less than 10 kt, becoming NE. Seas 2 to 4
ft.
.WED...E to NE winds 5 to 10 kt, becoming S to SE. Seas 2 to 4
ft.
.WED NIGHT...S to SE winds less than 10 kt. Seas 2 to 4 ft.

$$

ANZ900-300815-
Georges Bank between 68W and the Hague Line-
423 PM EDT Fri Aug 29 2025

.TONIGHT...E to NE winds 10 to 20 kt, becoming E 5 to 15 kt,
then, becoming S to SE. Seas 3 to 5 ft. Scattered showers and
chance of tstms.
.SAT...S winds 5 to 15 kt, becoming W to SW. Seas 3 to 5 ft.
Scattered showers and chance of tstms.
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN...W winds less than 10 kt, becoming NW. Seas 2 to 4 ft.
.SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft.
.MON...N to NE winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas
3 to 4 ft.
.TUE NIGHT...NE winds less than 10 kt. Seas 2 to 4 ft.
.WED...E to NE winds less than 10 kt. Seas 2 to 4 ft.
.WED NIGHT...E to NE winds around 10 kt. Seas 3 to 4 ft.

$$

ANZ810-300815-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
423 PM EDT Fri Aug 29 2025

.TONIGHT...E to SE winds 5 to 15 kt, becoming S to SW, then,
becoming W to NW. Seas 3 to 4 ft. Chance of showers and tstms.
.SAT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...W to NW winds 5 to 10 kt, becoming NW 5 to 15 kt.
Seas 3 to 4 ft.
.SUN...N to NW winds less than 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...NE winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.MON...NE winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to
4 ft.
.TUE...NE winds 10 to 15 kt, becoming E to NE 5 to 10 kt. Seas
3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt, becoming N to NE. Seas 3 to
5 ft.
.WED...E to NE winds 5 to 10 kt, becoming E to SE. Seas 3 to
4 ft.
.WED NIGHT...E to SE winds less than 10 kt. Seas 2 to 4 ft.

$$

ANZ815-300815-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
423 PM EDT Fri Aug 29 2025

.TONIGHT...S to SW winds 5 to 15 kt, becoming N to NW 10 to
20 kt, then, becoming 10 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms early.
.SAT...NW winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...W to SW winds 5 to 15 kt, becoming NW. Seas 3 to
4 ft.
.SUN...N winds less than 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming NE. Seas
2 to 4 ft.
.MON...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 4 ft.
.MON NIGHT...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to
4 ft.
.TUE...NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 3 to
4 ft.
.TUE NIGHT...E to SE winds 5 to 10 kt, becoming variable. Seas
3 to 5 ft.
.WED...E to NE winds 5 to 10 kt, becoming E to SE. Seas 3 to
5 ft.
.WED NIGHT...SE winds 5 to 10 kt, becoming E to SE 5 to 15 kt.
Seas 3 to 4 ft.

$$

.Forecaster Mills. Ocean Prediction Center.