FZNT21 KWBC 170229
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1029 PM EDT Tue Sep 16 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.

ANZ898-180215-
1029 PM EDT Tue Sep 16 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will continue
over most of the waters tonight through Wed night. A warm front
will slowly approach the waters from the S tonight, then become
nearly stationary over or near the S waters Wed into Thu, as low
pressure moves NE and then E along the front. A cold front will
approach the waters from the NW early Fri, then move S across the
waters Fri and Fri night. High pressure will build in behind the
front Sat and Sat night, and persist into Sun night.

$$

ANZ800-180215-
Gulf of Maine to the Hague Line-
1029 PM EDT Tue Sep 16 2025

.TONIGHT...Variable winds less than 10 kt. Seas 2 to 4 ft.
.WED...E to SE winds less than 10 kt. Seas 2 to 4 ft.
.WED NIGHT...S to SE winds less than 10 kt. Seas 2 to 4 ft.
Chance of showers and chance of tstms.
.THU...S to SE winds less than 10 kt, becoming S to SW. Seas
2 to 4 ft. Chance of tstms.
.THU NIGHT...SW winds 5 to 10 kt, becoming W. Seas 3 to 4 ft.
.FRI...N to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT...N winds 10 to 20 kt, becoming N to NW 10 to 15 kt. Seas
3 to 6 ft.
.SAT NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.SUN...S to SW winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming SW. Seas 3 to 5 ft.

$$

ANZ805-180215-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1029 PM EDT Tue Sep 16 2025

.TONIGHT...E winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers
or tstms late.
.WED...E winds 5 to 15 kt. Seas 3 to 5 ft. Chance of tstms.
.WED NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 5 ft. Scattered
showers and chance of tstms.
.THU...SE winds less than 10 kt, becoming variable. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.THU NIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt, becoming N. Seas 3 to 4 ft.
.FRI NIGHT...N winds 5 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 6 ft.
.SAT...N to NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 4 to 5 ft.
.SAT NIGHT...NE winds 5 to 15 kt, becoming E. Seas 3 to 5 ft.
.SUN...E to SE winds 5 to 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...E to SE winds 5 to 10 kt, becoming S to SE 10 to
15 kt. Seas 3 to 5 ft.

$$

ANZ900-180215-
Georges Bank between 68W and the Hague Line-
1029 PM EDT Tue Sep 16 2025

.TONIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 5 to 15 kt. Seas 3 to 5 ft. Chance of tstms.
.WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas
3 to 5 ft. Chance of showers and tstms.
.THU...SE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.
Showers likely and chance of tstms.
.THU NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI...W to NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 5 ft.
.SAT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...N winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 5 ft.

$$

ANZ810-180215-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1029 PM EDT Tue Sep 16 2025

.TONIGHT...E winds 15 to 20 kt. Seas 4 to 8 ft. Chance of tstms.
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft. Scattered showers and
tstms, becoming likely.
.WED NIGHT...E winds 10 to 15 kt, becoming E to SE 5 to 10 kt.
Seas 4 to 5 ft. Showers likely and chance of tstms.
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft. Showers
likely and chance of tstms with vsby 1 nm or less.
.THU NIGHT...W to NW winds less than 10 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 4 ft.
.FRI NIGHT...NE winds 5 to 15 kt, increasing to 15 to 20 kt.
Seas 3 to 4 ft.
.SAT...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
5 ft.
.SUN NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 6 ft.

$$

ANZ815-180215-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1029 PM EDT Tue Sep 16 2025

.TONIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft. Showers and
scattered tstms.
.WED...E winds 15 to 25 kt. Seas becoming 5 to 8 ft. Showers
likely and chance of tstms.
.WED NIGHT...E winds diminishing to 5 to 15 kt, then becoming E
to NE. Seas subsiding to 4 to 6 ft. Showers likely and chance of
tstms.
.THU...NE winds less than 10 kt, becoming N. Seas 3 to 5 ft.
Chance of showers and tstms.
.THU NIGHT...W to SW winds 5 to 10 kt, becoming W 10 to 15 kt.
Seas 3 to 4 ft.
.FRI...W winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt. Seas
3 to 5 ft.
.SAT...NE winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT and SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft.

$$

.Forecaster Mills. Ocean Prediction Center.