Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
981
FZNT21 KWBC 300838
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
338 AM EST Sun Nov 30 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.

ANZ898-301945-
338 AM EST Sun Nov 30 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will move of
the area today. A warm front will move N into the area today,
reaching the Gulf of Maine Sun tonight. A cold front will sweep
E across the waters tonight, moving well E of the area Mon. High
pressure will build E across the area late Mon, persist Mon
night, then move E Tue. Intensifying low pressure will approach
the waters from the SW early Tue and move into the area late Tue
into Tue night. The low pressure will rapidly exit NE of the
region Wed before high pressure quickly moves across the waters
Wed night. Yet another cold front will move across the area Thu
before exiting to the E and SE late Thu night. Mariners should
monitor later forecasts for possible avoidance from the system.

$$

ANZ800-301945-
Gulf of Maine to the Hague Line-
338 AM EST Sun Nov 30 2025

...GALE WARNING...

.TODAY...Variable winds less than 10 kt, becoming S 10 to 20 kt
early, then, increasing to 20 to 30 kt. Seas 4 to 7 ft.
.TONIGHT...S winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas 6 to 11 ft. Chance of rain.
.MON...W winds 25 to 30 kt, becoming NW 20 to 30 kt. Seas 5 to
9 ft.
.MON NIGHT...N to NW winds 15 to 25 kt, becoming NE 5 to 10 kt.
Seas 5 to 8 ft.
.TUE...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...N to NE winds 20 to 30 kt, becoming N 25 to 35 kt.
Seas 3 to 5 ft, building to 7 to 11 ft.
.WED...N winds 20 to 30 kt, becoming N to NW 10 to 20 kt. Seas
7 to 13 ft.
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft.
.THU...W to SW winds 20 to 30 kt. Seas 6 to 10 ft.
.THU NIGHT...NW winds 25 to 35 kt. Seas 10 to 17 ft.

$$

ANZ805-301945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
338 AM EST Sun Nov 30 2025

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...S to SE winds less than 5 kt, becoming S 15 to 25 kt.
Seas 3 to 5 ft.
.TONIGHT...S winds 20 to 30 kt, becoming W to SW. Seas 4 to
8 ft. Chance of rain early.
.MON...W to NW winds 20 to 30 kt. Seas 6 to 9 ft.
.MON NIGHT...N winds 10 to 20 kt, becoming E to SE 5 to 10 kt.
Seas 5 to 8 ft.
.TUE...S winds 10 to 20 kt, becoming SE 15 to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...N winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 6 to 10 ft, building to 10 to 16 ft.
.WED...N winds 20 to 30 kt, becoming NW 10 to 20 kt. Seas 9 to
16 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 6 to 10 ft.
.THU...W to SW winds 20 to 30 kt. Seas 6 to 10 ft.
.THU NIGHT...W to NW winds 25 to 30 kt, becoming NW 25 to 35 kt.
Seas 9 to 16 ft.

$$

ANZ900-301945-
Georges Bank between 68W and the Hague Line-
338 AM EST Sun Nov 30 2025

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...Variable winds less than 5 kt, becoming S 5 to 15 kt
early, then, increasing to 15 to 25 kt. Seas 3 to 6 ft.
.TONIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
rain.
.MON...W winds 20 to 30 kt, becoming NW. Seas 6 to 9 ft.
.MON NIGHT...N winds 10 to 20 kt, becoming E to NE 5 to 10 kt.
Seas 5 to 9 ft.
.TUE...S winds 10 to 15 kt, becoming S to SE 15 to 25 kt. Seas
3 to 6 ft.
.TUE NIGHT...S to SE winds 20 to 30 kt, becoming N to NW 25 to
35 kt. Seas 5 to 8 ft, building to 9 to 15 ft.
.WED...N to NW winds 20 to 30 kt. Seas 10 to 17 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 7 to 12 ft.
.THU...W to SW winds 20 to 30 kt. Seas 7 to 10 ft.
.THU NIGHT...W to NW winds 25 to 30 kt, becoming NW 30 to 35 kt.
Seas 10 to 17 ft.

$$

ANZ810-301945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
338 AM EST Sun Nov 30 2025

.TODAY...S winds 5 to 10 kt, increasing to 15 to 25 kt. Seas
3 to 6 ft.
.TONIGHT...S winds 20 to 30 kt, becoming W. Seas 4 to 8 ft.
Chance of rain. Scattered showers.
.MON...N to NW winds 15 to 25 kt. Seas 5 to 8 ft.
.MON NIGHT...N to NE winds 5 to 15 kt, becoming S to SE. Seas
4 to 7 ft.
.TUE...S to SE winds 10 to 20 kt, becoming E to SE 20 to 30 kt.
Seas 3 to 6 ft.
.TUE NIGHT...N to NW winds 20 to 30 kt. Seas 10 to 16 ft.
.WED...N winds 15 to 25 kt, becoming NW 5 to 15 kt. Seas 9 to
15 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 6 to 10 ft.
.THU...W to SW winds 20 to 30 kt. Seas 6 to 9 ft.
.THU NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft.

$$

ANZ815-301945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
338 AM EST Sun Nov 30 2025

.TODAY...S winds 10 to 15 kt, increasing to 15 to 25 kt. Seas
3 to 6 ft.
.TONIGHT...S to SW winds 20 to 30 kt, becoming W. Seas 4 to
8 ft. Chance of rain.
.MON...N to NW winds 15 to 25 kt. Seas 4 to 8 ft.
.MON NIGHT...N winds 5 to 10 kt, becoming S to SE 5 to 15 kt.
Seas 3 to 5 ft.
.TUE...S to SE winds 10 to 20 kt, becoming N to NE 15 to 25 kt.
Seas 3 to 5 ft.
.TUE NIGHT...N winds 20 to 30 kt, becoming NW. Seas 8 to 14 ft.
.WED...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Seas 8 to
13 ft.
.WED NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 4 to 8 ft.
.THU...W winds 20 to 30 kt. Seas 4 to 8 ft.
.THU NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 13 ft.

$$

.Forecaster Huffman. Ocean Prediction Center.