158
FZNT21 KWBC 290302
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1102 PM EDT Sun Sep 28 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.

ANZ898-291515-
1102 PM EDT Sun Sep 28 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will approach
from the N early tonight, then pass SE over the area tonight and
Mon as weak high pressure briefly builds E over the region. A
secondary cold front will move SE over the waters Mon night into
Tue. Strong high pressure will build S over the waters Tue into
Thu night, then shift W of the area Fri and Fri night. Hurricane
Humberto will track N and NE toward the outer portions Tue and
Tue night, then turn more E to NE Wed and Wed night while moving
into the N Atlantic. Tropical Storm Imelda will track E to NE
well S of the area Mon night into Thu while strengthening to a
hurricane by late Tue, then pass SE of the waters Thu night into
Fri night. S to SE swell from Humberto will move into the region
Tue into Wed, then back to E to NE Wed night into Thu night. See
the latest advisories from the National Hurricane Center.

$$

ANZ800-291515-
Gulf of Maine to the Hague Line-
1102 PM EDT Sun Sep 28 2025

.TONIGHT...N to NW winds 10 to 15 kt, becoming N 5 to 10 kt.
Seas 3 to 4 ft.
.MON...N to NW winds 5 to 10 kt, becoming W to SW 5 to 15 kt.
Seas 3 to 4 ft.
.MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas
3 to 5 ft.
.TUE...N to NE winds 5 to 15 kt. Seas 5 to 8 ft.
.TUE NIGHT...NE winds 10 to 20 kt, increasing to 20 to 30 kt.
Seas 7 to 12 ft.
.WED...N to NE winds 20 to 30 kt. Seas 7 to 13 ft.
.WED NIGHT...N to NE winds 20 to 30 kt. Seas 7 to 13 ft.
.THU...NE winds 15 to 25 kt. Seas 6 to 10 ft.
.THU NIGHT...N winds 5 to 15 kt, becoming W to NW 5 to 10 kt.
Seas 4 to 7 ft.
.FRI...W winds 5 to 15 kt. Seas 3 to 6 ft.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 5 ft.

$$

ANZ805-291515-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1102 PM EDT Sun Sep 28 2025

.TONIGHT...W to SW winds 5 to 15 kt, becoming N. Seas 3 to 4 ft.
.MON...E to NE winds less than 10 kt. Seas 3 to 5 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 4 to 7 ft.
.TUE...N to NE winds 5 to 10 kt, becoming NE 5 to 15 kt. Seas
7 to 11 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 10 to 17 ft.
.WED...N to NE winds 20 to 30 kt. Seas 10 to 18 ft.
.WED NIGHT...N to NE winds 20 to 30 kt. Seas 10 to 15 ft.
.THU...NE winds 20 to 30 kt. Seas 7 to 13 ft.
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 11 ft.
.FRI...N to NE winds 5 to 15 kt, becoming N to NW 5 to 10 kt.
Seas 5 to 9 ft.
.FRI NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 7 ft.

$$

ANZ900-291515-
Georges Bank between 68W and the Hague Line-
1102 PM EDT Sun Sep 28 2025

.TONIGHT...W to SW winds 5 to 15 kt, becoming W to NW 10 to
15 kt. Seas 3 to 4 ft. Chance of showers and tstms.
.MON...N to NE winds less than 10 kt. Seas 3 to 5 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 4 to 7 ft.
.TUE...Variable winds 5 to 10 kt, becoming N to NE 5 to 15 kt.
Seas 6 to 10 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 9 to 16 ft.
.WED...NE winds 25 to 30 kt, becoming N. Seas 12 to 17 ft.
.WED NIGHT...N to NE winds 25 to 30 kt. Seas 11 to 15 ft.
.THU...NE winds 20 to 30 kt. Seas 8 to 12 ft.
.THU NIGHT...N to NE winds 15 to 25 kt. Seas 6 to 11 ft.
.FRI...N to NW winds 5 to 15 kt. Seas 5 to 9 ft.
.FRI NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 7 ft.

$$

ANZ810-291515-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1102 PM EDT Sun Sep 28 2025

.TONIGHT...W to SW winds less than 10 kt, becoming N to NW. Seas
3 to 5 ft. Chance of showers and tstms.
.MON...NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 3 to
5 ft.
.MON NIGHT...E to NE winds less than 10 kt. Seas 4 to 8 ft.
.TUE...NE winds 5 to 10 kt, increasing to 10 to 20 kt. Seas 7 to
12 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 11 to 18 ft.
.WED...NE winds 25 to 30 kt. Seas 10 to 18 ft.
.WED NIGHT...NE winds 25 to 30 kt. Seas 9 to 15 ft.
.THU...NE winds 20 to 30 kt. Seas 7 to 13 ft.
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 11 ft.
.FRI...NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 4 to
8 ft.
.FRI NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
4 to 7 ft.

$$

ANZ815-291515-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1102 PM EDT Sun Sep 28 2025

.TONIGHT...SW winds less than 10 kt, becoming N. Seas 3 to 4 ft.
.MON...NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 3 to
5 ft.
.MON NIGHT...E winds 5 to 10 kt, becoming NE. Seas 5 to 8 ft.
.TUE...NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to
11 ft.
.TUE NIGHT...NE winds 20 to 30 kt. Seas 10 to 17 ft.
.WED...NE winds 20 to 30 kt. Seas 10 to 17 ft.
.WED NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft.
.THU...NE winds 20 to 30 kt. Seas 7 to 13 ft.
.THU NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 11 ft.
.FRI...NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas 4 to
8 ft.
.FRI NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas
4 to 7 ft.

$$

.Forecaster Holley. Ocean Prediction Center.