New England Continental Shelf

FZNT21 KWBC 152042
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
442 PM EDT Wed Oct 15 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.

ANZ898-160745-
442 PM EDT Wed Oct 15 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front moves through 
the waters tonight. Low pressure forms S of Nova Scotia Thu, 
intensifying Thu night and Fri. This low will slowly move 
farther E into the N Atlantic Fri night through Sat night as high
pressure gradually moves E over the area. High pressure will be 
over the waters Sun, shifting E Sun night. Another cold front 
moves across the waters Mon and Mon night. 

$$

ANZ800-160745-
Gulf of Maine to the Hague Line-
442 PM EDT Wed Oct 15 2025

...GALE WARNING...

.TONIGHT...N winds 20 to 30 kt. Seas 4 to 8 ft. 
.THU...N winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 6 to
11 ft. 
.THU NIGHT...N winds 30 to 40 kt. Seas 8 to 13 ft. Scattered
showers. 
.FRI...N winds 25 to 35 kt. Seas 9 to 15 ft. 
.FRI NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 8 to 14 ft. 
.SAT...N winds 15 to 25 kt. Seas 7 to 12 ft. 
.SAT NIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 6 to 10 ft. 
.SUN...Variable winds less than 10 kt, becoming S. Seas 4 to
7 ft. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.MON...S to SE winds 15 to 25 kt. Seas 4 to 8 ft. 
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. 

$$

ANZ805-160745-
Georges Bank between Cape Cod and 68W north of 1000 FM-
442 PM EDT Wed Oct 15 2025

...GALE WARNING...

.TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. Isolated
showers. 
.THU...N winds 20 to 25 kt, increasing to 25 to 35 kt. Seas 7 to
11 ft. 
.THU NIGHT...N winds 30 to 40 kt. Seas 10 to 17 ft. Scattered
showers. 
.FRI...N winds 30 to 40 kt. Seas 11 to 19 ft. Scattered showers.
.FRI NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 10 to 18 ft. 
.SAT...N winds 20 to 30 kt. Seas 8 to 14 ft. 
.SAT NIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 6 to 11 ft. 
.SUN...Variable winds less than 10 kt, becoming S. Seas 5 to
9 ft. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 4 to 7 ft. 
.MON...S winds 15 to 25 kt, becoming W to SW 10 to 20 kt. Seas
5 to 8 ft. 
.MON NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas
5 to 8 ft. 

$$

ANZ900-160745-
Georges Bank between 68W and the Hague Line-
442 PM EDT Wed Oct 15 2025

...GALE WARNING...

.TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. Isolated
showers. 
.THU...N winds 20 to 30 kt. Seas 8 to 10 ft. 
.THU NIGHT...N winds 35 to 45 kt. Seas 9 to 16 ft. Scattered
showers. 
.FRI...N winds 35 to 45 kt. Seas 13 to 22 ft. Scattered showers.
.FRI NIGHT...N winds 30 to 40 kt. Seas 12 to 20 ft. 
.SAT...N winds 20 to 30 kt. Seas 9 to 15 ft. 
.SAT NIGHT...N winds 15 to 25 kt. Seas 7 to 13 ft.
.SUN...N winds 5 to 15 kt, becoming variable. Seas 6 to 10 ft. 
.SUN NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
5 to 7 ft. 
.MON...S winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 8 ft. 

$$

ANZ810-160745-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
442 PM EDT Wed Oct 15 2025

...GALE WARNING...

.TONIGHT...N winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
6 to 8 ft. Isolated showers. 
.THU...N winds 20 to 30 kt. Seas 6 to 11 ft. 
.THU NIGHT...N winds 35 to 45 kt. Seas 10 to 17 ft. Scattered
showers. 
.FRI...N winds 30 to 40 kt. Seas 11 to 18 ft. Scattered showers.
.FRI NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 10 to 18 ft. 
.SAT...N winds 15 to 25 kt. Seas 7 to 13 ft. 
.SAT NIGHT...N winds 5 to 15 kt, becoming variable. Seas 6 to
11 ft. 
.SUN...S winds less than 10 kt, increasing to 5 to 15 kt. Seas
4 to 8 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 4 to 7 ft. 
.MON...S to SW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas
5 to 8 ft. 
.MON NIGHT...W winds 15 to 20 kt. Seas 5 to 8 ft. 

$$

ANZ815-160745-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
442 PM EDT Wed Oct 15 2025

.TONIGHT...N winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
5 to 8 ft. Isolated showers. 
.THU...N winds 20 to 30 kt. Seas 6 to 9 ft. 
.THU NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.FRI...N winds 20 to 30 kt. Seas 7 to 13 ft. 
.FRI NIGHT...N winds 15 to 25 kt. Seas 7 to 12 ft. 
.SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to
10 ft. 
.SAT NIGHT...Variable winds less than 10 kt, becoming SW. Seas
4 to 8 ft. 
.SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to
7 ft. 
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON...W winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON NIGHT...W winds 15 to 20 kt. Seas 4 to 8 ft. 

$$

.Forecaster Collins. Ocean Prediction Center.