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 28 29 30 31
522
FZNT21 KWBC 081457
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1057 AM EDT Wed Oct 8 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.

ANZ898-090215-
1057 AM EDT Wed Oct 8 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move E
across the waters today and tonight as low pressure moves NE
along the front. Behind the front, high pressure builds E over
the area, though a surface trough or secondary cold front should
pass over the waters on the E side of the high late tonight and
Thu. High pressure then persists through Fri night, moving SE Sat
as a surface trough moves SE over the area. S of another high
anchored over SE Canada, deepening low pressure offshore of the
SE U.S. coast over the weekend will slowly move N, impacting at
least the S waters Sat night through Sun night. Mariners should
monitor later forecasts on this coastal system.

$$

ANZ800-090215-
Gulf of Maine to the Hague Line-
1057 AM EDT Wed Oct 8 2025

...GALE WARNING...

.TODAY...S to SW winds 15 to 25 kt, becoming N 20 to 30 kt. Seas
4 to 8 ft. Numerous showers. Isolated tstms.
.TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
5 to 9 ft. Numerous showers.
.THU...N winds 15 to 25 kt. Seas 5 to 9 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft.
.FRI...N to NW winds 5 to 15 kt, becoming W to SW. Seas 3 to
5 ft.
.FRI NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft.
.SAT...W winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas
3 to 5 ft.
.SAT NIGHT...S to SW winds less than 10 kt, becoming E. Seas
3 to 4 ft.
.SUN...E winds 15 to 25 kt. Seas 3 to 5 ft, building to 6 to
10 ft.
.SUN NIGHT...E to NE winds 25 to 35 kt. Seas 8 to 14 ft.

$$

ANZ805-090215-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1057 AM EDT Wed Oct 8 2025

...GALE WARNING...

.TODAY...S winds 15 to 25 kt, becoming SW 20 to 30 kt. Seas 4 to
7 ft. Numerous showers and scattered tstms.
.TONIGHT...SW winds 25 to 35 kt, becoming N 20 to 25 kt. Seas
6 to 10 ft. Numerous showers.
.THU...N winds 20 to 25 kt. Seas 6 to 9 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.
.FRI...N to NE winds 5 to 15 kt, becoming variable. Seas 3 to
6 ft.
.FRI NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...W to SW winds 5 to 15 kt, becoming E 10 to 20 kt. Seas
3 to 5 ft.
.SAT NIGHT...E to NE winds 15 to 25 kt. Seas 4 to 8 ft.
.SUN...E to NE winds 30 to 40 kt. Seas 11 to 19 ft.
.SUN NIGHT...E winds 30 to 40 kt. Seas 11 to 19 ft.

$$

ANZ900-090215-
Georges Bank between 68W and the Hague Line-
1057 AM EDT Wed Oct 8 2025

...GALE WARNING...

.TODAY...S winds 15 to 25 kt, becoming SW. Seas 4 to 7 ft.
Scattered showers and tstms.
.TONIGHT...SW winds 25 to 35 kt, becoming N 25 to 30 kt. Seas
6 to 11 ft. Numerous showers.
.THU...N winds 20 to 25 kt. Seas 8 to 11 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.FRI...N winds 10 to 20 kt, becoming variable less than 10 kt.
Seas 4 to 7 ft.
.FRI NIGHT...Variable winds 5 to 15 kt, becoming W to SW. Seas
3 to 4 ft.
.SAT...Variable winds 5 to 15 kt, becoming E. Seas 3 to 4 ft.
.SAT NIGHT...E to NE winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN...E winds 20 to 30 kt, becoming NE 25 to 35 kt. Seas 10 to
17 ft.
.SUN NIGHT...E winds 30 to 40 kt. Seas 11 to 19 ft.

$$

ANZ810-090215-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1057 AM EDT Wed Oct 8 2025

...GALE WARNING...

.TODAY...S to SW winds 15 to 20 kt, increasing to 25 to 35 kt.
Seas 5 to 9 ft. Numerous showers. Isolated tstms.
.TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 25 kt. Seas
5 to 9 ft. Numerous showers.
.THU...N winds 15 to 25 kt. Seas 5 to 9 ft.
.THU NIGHT...N winds 15 to 25 kt, becoming NE 10 to 15 kt. Seas
5 to 9 ft.
.FRI...NE winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft.
.FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
6 ft.
.SAT NIGHT...E winds 20 to 30 kt. Seas 6 to 10 ft.
.SUN...NE winds 35 to 45 kt. Seas 9 to 15 ft, building to 14 to
22 ft.
.SUN NIGHT...E winds 35 to 45 kt. Seas 13 to 22 ft.

$$

ANZ815-090215-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1057 AM EDT Wed Oct 8 2025

...STORM FORCE WINDS POSSIBLE SUN...

.TODAY...SW winds 15 to 25 kt, becoming N to NW 20 to 30 kt.
Seas 4 to 8 ft. Numerous showers and isolated tstms.
.TONIGHT...N winds 20 to 30 kt. Seas 4 to 8 ft.
.THU...N winds 15 to 25 kt. Seas 4 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.
.FRI...E to SE winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...E winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT NIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft.
.SUN...NE winds 35 to 45 kt, increasing to 40 to 50 kt. Seas
14 to 23 ft.
.SUN NIGHT...E to NE winds 35 to 45 kt. Seas 14 to 23 ft.

$$

.Forecaster Collins. Ocean Prediction Center.