Offshore Waters Forecast (New England)

FZNT21 KWBC 210834
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
434 AM EDT Wed Oct 21 2026

New England continental shelf and slope waters from 60 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.

ANZ898-212000-
434 AM EDT Wed Oct 21 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A strong low will remain
nearly stationary today off the mid- Atlantic Coast. It will
begin moving NE later tonight and cross over the E waters Thu
through Fri before exiting to the NE Fri night into Sat. High
pressure will then build over the waters Sat and persist through
Sun night. Mariners should continue to monitor the latest high 
seas, offshore, coastal, and tropical forecasts on the low 
pressure system, executing avoidance as needed for any voyages 
planned.

$$

ANZ800-212000-
Gulf of Maine to the Hague Line-
434 AM EDT Wed Oct 21 2026

...GALE WARNING...

.TODAY...NE winds 15 to 25 kt. Seas 6 to 11 ft. 
.TONIGHT...NE winds 20 to 30 kt. Seas 8 to 14 ft. Chance of
rain. 
.THU...N to NE winds 25 to 30 kt, becoming N 25 to 35 kt. Seas
9 to 15 ft. 
.THU NIGHT...N winds 30 to 35 kt. Seas 9 to 16 ft.
.FRI...N winds 20 to 30 kt. Seas 7 to 13 ft. 
.FRI NIGHT...N winds 15 to 20 kt, diminishing to 5 to 15 kt.
Seas 5 to 9 ft. 
.SAT...NW winds 5 to 15 kt, becoming W 10 to 15 kt. Seas 3 to
6 ft. 
.SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. 
.SUN...W winds 5 to 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 

$$

ANZ805-212000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
434 AM EDT Wed Oct 21 2026

...STORM WARNING...

.TODAY...NE winds 30 to 40 kt. Seas 10 to 18 ft. Chance of rain.
Scattered showers. 
.TONIGHT...NE winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 10 to 18 ft. Scattered showers and tstms with vsby 1 nm or
less. 
.THU...N to NE winds 35 to 45 kt, becoming N 35 to 50 kt. Seas
14 to 24 ft. Rain. Scattered tstms. Vsby 1 NM or less. 
.THU NIGHT...N winds 30 to 40 kt, diminishing to 25 to 30 kt.
Seas 12 to 20 ft. 
.FRI...N winds 20 to 30 kt. Seas 9 to 14 ft. 
.FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. 
.SAT...N winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas
4 to 8 ft. 
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 4 to 7 ft. 
.SUN...W to NW winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 

$$

ANZ900-212000-
Georges Bank between 68W and the Hague Line-
434 AM EDT Wed Oct 21 2026

...STORM WARNING...

.TODAY...NE winds 25 to 35 kt. Seas 10 to 17 ft. Scattered
showers and tstms. 
.TONIGHT...E to NE winds 20 to 30 kt. Seas 11 to 16 ft.
Scattered showers and tstms with vsby 1 nm or less. 
.THU...NE winds 30 to 40 kt, becoming N 40 to 50 kt. Seas 15 to
25 ft. Scattered showers and tstms with vsby 1 nm or less. 
.THU NIGHT...N winds 35 to 50 kt, diminishing to 30 to 35 kt.
Seas 14 to 22 ft. Scattered showers and tstms. 
.FRI...N winds 20 to 30 kt. Seas 10 to 17 ft. 
.FRI NIGHT...N winds 15 to 25 kt. Seas 7 to 12 ft. 
.SAT...N winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
5 to 9 ft. 
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 4 to 8 ft. 
.SUN...W to NW winds 5 to 10 kt. Seas 3 to 6 ft. 
.SUN NIGHT...W to SW winds less than 10 kt, increasing to 5 to
15 kt. Seas 3 to 5 ft. 

$$

ANZ810-212000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
434 AM EDT Wed Oct 21 2026

...STORM WARNING...

.TODAY...NE winds 35 to 45 kt. Seas 15 to 20 ft. Scattered
showers. 
.TONIGHT...NE winds 30 to 40 kt, becoming N to NE 40 to 50 kt.
Seas 15 to 25 ft. Scattered showers and tstms with vsby 1 nm or
less. 
.THU...N winds 35 to 45 kt. Seas 15 to 25 ft. Rain.
.THU NIGHT...N winds 25 to 35 kt, becoming 25 to 30 kt. Seas
10 to 18 ft. 
.FRI...N winds 20 to 25 kt. Seas 8 to 13 ft. 
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 10 ft. 
.SAT...NE winds 10 to 15 kt, becoming N to NE 5 to 10 kt. Seas
5 to 7 ft. 
.SAT NIGHT...Variable winds less than 5 kt, becoming N to NW.
Seas 4 to 6 ft. 
.SUN...Variable winds less than 5 kt. Seas 4 to 5 ft. 
.SUN NIGHT...Variable winds less than 5 kt, becoming W. Seas
3 to 5 ft. 

$$

ANZ815-212000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
434 AM EDT Wed Oct 21 2026

...GALE WARNING...

.TODAY...NE winds 35 to 45 kt. Seas 16 to 21 ft. Chance of rain.
.TONIGHT...NE winds 35 to 45 kt, becoming N. Seas 16 to 24 ft.
Scattered showers and tstms. 
.THU...N winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas
14 to 23 ft. 
.THU NIGHT...N winds 15 to 25 kt. Seas 9 to 13 ft.
.FRI...N to NE winds 15 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas
5 to 8 ft. 
.SAT...NE winds 5 to 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 5 ft. 
.SUN...Variable winds less than 5 kt. Seas 4 to 5 ft. 
.SUN NIGHT...Variable winds less than 5 kt, becoming W. Seas
3 to 4 ft. 

$$

.Forecaster Byrd. Ocean Prediction Center.