Offshore Waters Forecast (New England)

FZNT21 KWBC 301445
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1045 AM EDT Wed Jul 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.

ANZ898-310245-
1045 AM EDT Wed Jul 30 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front drifting SE over
the waters early today will stall over the area later today and 
tonight, drift southward again Thu, and then stall just S of the 
waters Thu night. Low pressure will develop along the stalled 
boundary late Thu night into early Fri, just off the Mid-Atlantic
coast, then track E and NE along the front late Fri and Fri 
night. The low will clear well E into the N Atlantic Sat. High 
pressure will build SE across the area later Sat and Sat night, 
then settle offshore Sun and Sun night as a weak low pressure 
trough develops near the coast of Maine. 

$$

ANZ800-310245-
Gulf of Maine to the Hague Line-
1045 AM EDT Wed Jul 30 2025

.TODAY...Variable winds less than 5 kt, becoming S. Seas 2 ft or
less. Areas of fog with vsby 1 nm or less. 
.TONIGHT...S to SW winds 5 to 15 kt, becoming N. Seas 3 to 4 ft.
Chance of showers and tstms with vsby 1 nm or less. 
.THU...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered
showers and slight chance of tstms with vsby 1 nm or less. 
.THU NIGHT...E to NE winds 5 to 15 kt, becoming NE 10 to 20 kt.
Seas 3 to 5 ft. Chance of tstms. Scattered showers. 
.FRI...E to NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E to NE winds 5 to 15 kt, becoming N to NE 10 to
20 kt. Seas 3 to 6 ft. 
.SAT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SW winds less than 10 kt, becoming W to SW. Seas
3 to 4 ft. 
.SUN...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
4 ft. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 3 to 5 ft. 

$$

ANZ805-310245-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1045 AM EDT Wed Jul 30 2025

.TODAY...SW winds less than 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.THU...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered
showers and slight chance of tstms with vsby 1 nm or less. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. Scattered
showers and tstms with vsby 1 nm or less. 
.FRI...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. 
.FRI NIGHT...NE winds 20 to 30 kt. Seas 4 to 8 ft. 
.SAT...NE winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT NIGHT...NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt.
Seas 4 to 7 ft. 
.SUN...NE winds 5 to 15 kt, becoming SW. Seas 3 to 6 ft. 
.SUN NIGHT...SW winds 10 to 20 kt, becoming S to SW 5 to 15 kt.
Seas 3 to 5 ft. 

$$

ANZ900-310245-
Georges Bank between 68W and the Hague Line-
1045 AM EDT Wed Jul 30 2025

.TODAY...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
showers, tstms and areas of fog with vsby 1 nm or less. 
.THU...W winds 5 to 15 kt, becoming variable. Seas 3 to 4 ft.
Scattered showers and slight chance of tstms with vsby 1 nm or
less. 
.THU NIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt.
Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or
less. 
.FRI...NE winds 10 to 20 kt. Seas 3 to 6 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT...NE winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT NIGHT...NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt.
Seas 4 to 7 ft. 
.SUN...N to NE winds 5 to 15 kt, becoming variable. Seas 4 to
6 ft. 
.SUN NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. 

$$

ANZ810-310245-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1045 AM EDT Wed Jul 30 2025

.TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. Areas of fog with vsby 1 nm or less. 
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.THU...NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers
and slight chance of tstms with vsby 1 nm or less. 
.THU NIGHT...NE winds 10 to 20 kt, becoming E 15 to 25 kt. Seas
3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. 
.FRI...E to NE winds 20 to 30 kt. Seas 4 to 8 ft. 
.FRI NIGHT...NE winds 20 to 30 kt. Seas 5 to 9 ft. 
.SAT...NE winds 20 to 30 kt. Seas 5 to 9 ft. 
.SAT NIGHT...E to NE winds 10 to 20 kt, becoming NE 5 to 15 kt.
Seas 4 to 7 ft. 
.SUN...NE winds 5 to 15 kt, becoming E. Seas 3 to 6 ft. 
.SUN NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 5 ft. 

$$

ANZ815-310245-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1045 AM EDT Wed Jul 30 2025

.TODAY...SW winds less than 10 kt, increasing to 10 to 15 kt.
Seas 2 ft or less, becoming 3 ft. 
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms. 
.THU...NE winds 5 to 15 kt, becoming E to SE. Seas 3 to 4 ft.
Scattered showers and slight chance of tstms with vsby 1 nm or
less. 
.THU NIGHT...E winds 15 to 25 kt. Seas 3 to 6 ft. Showers and
tstms likely. 
.FRI...E to NE winds 20 to 30 kt. Seas 5 to 9 ft. 
.FRI NIGHT...NE winds 20 to 30 kt. Seas 6 to 10 ft. 
.SAT...NE winds 15 to 25 kt. Seas 5 to 9 ft. 
.SAT NIGHT...E to NE winds 10 to 20 kt, becoming NE less than
10 kt. Seas 4 to 7 ft. 
.SUN...NE winds 5 to 15 kt, becoming E to SE. Seas 3 to 5 ft. 
.SUN NIGHT...E to SE winds 5 to 10 kt, becoming S to SE. Seas
3 to 5 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.