Offshore Forecast
Issued by NWS

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349
FZNT21 KWBC 312100
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
500 PM EDT Thu Jul 31 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.

ANZ898-010745-
500 PM EDT Thu Jul 31 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front across the waters
will stall south of the area tonight. Developing low pressure
along the stalled front will move quickly NE away from the area
Fri night into Saturday while pushing the front away from the
area. High pressure will build over the area Sat and Sun then
slowly weaken into Mon night. A cold front will approach from the
N Mon night, briefly stall early Tue, and then lift back N as a
warm front into Tue night.


$$

ANZ800-010745-
Gulf of Maine to the Hague Line-
500 PM EDT Thu Jul 31 2025

.TONIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 5 ft. Chance of tstms early. Scattered showers.
.FRI...NE winds 15 to 25 kt. Seas 3 to 5 ft. Chance of showers,
then chance of rain.
.FRI NIGHT...NE winds 10 to 20 kt, becoming N 5 to 15 kt. Seas
3 to 5 ft. Chance of rain.
.SAT...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas
3 to 4 ft.
.SAT NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.SUN...SW winds less than 10 kt, increasing to 5 to 15 kt. Seas
3 to 4 ft.
.SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...S to SW winds 5 to 15 kt, becoming SW 5 to 10 kt.
Seas 3 to 4 ft.
.TUE...S winds less than 10 kt, becoming variable. Seas 3 to
4 ft.
.TUE NIGHT...S to SE winds less than 10 kt, becoming variable.
Seas 3 to 4 ft.

$$

ANZ805-010745-
Georges Bank between Cape Cod and 68W north of 1000 FM-
500 PM EDT Thu Jul 31 2025

.TONIGHT...E to NE winds 5 to 15 kt, becoming NE 15 to 25 kt.
Seas 3 to 5 ft. Scattered showers and tstms. Areas of fog with
vsby 1 nm or less.
.FRI...NE winds 15 to 25 kt. Seas 3 to 6 ft. Showers likely and
scattered tstms, then chance of rain. Vsby 1 NM or less.
.FRI NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft. Showers and
tstms.
.SAT...NE winds 20 to 30 kt. Seas 5 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft.
.SUN NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft.
.MON...SW winds 5 to 10 kt, becoming S 5 to 15 kt. Seas 3 to
4 ft.
.MON NIGHT...S winds 5 to 15 kt, becoming E 5 to 10 kt. Seas
3 to 4 ft.
.TUE...E to NE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas
3 to 4 ft.
.TUE NIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft.

$$

ANZ900-010745-
Georges Bank between 68W and the Hague Line-
500 PM EDT Thu Jul 31 2025

.TONIGHT...Variable winds 5 to 15 kt, becoming E to NE, then,
becoming NE 15 to 25 kt. Seas 3 to 5 ft. Scattered showers and
tstms. Areas of fog with vsby 1 nm or less.
.FRI...NE winds 15 to 25 kt. Seas 3 to 5 ft. Showers and
scattered tstms. Areas of fog with vsby 1 nm or less.
.FRI NIGHT...NE winds 15 to 25 kt. Seas 4 to 8 ft. Showers and
tstms.
.SAT...NE winds 15 to 25 kt. Seas 4 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming W to SW.
Seas 3 to 5 ft.
.MON...E to NE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE...NE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 3 to
4 ft.
.TUE NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.

$$

ANZ810-010745-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
500 PM EDT Thu Jul 31 2025

.TONIGHT...S to SW winds less than 10 kt, becoming E to NE 15 to
25 kt. Seas 3 to 6 ft. Scattered showers and tstms. Areas of fog
with vsby 1 nm or less.
.FRI...NE winds 20 to 30 kt. Seas 4 to 8 ft. Showers likely and
tstms.
.FRI NIGHT...NE winds 20 to 30 kt. Seas 5 to 9 ft. Chance of
rain.
.SAT...NE winds 20 to 30 kt. Seas 4 to 8 ft.
.SAT NIGHT...NE winds 15 to 25 kt, becoming N to NE 5 to 15 kt.
Seas 4 to 7 ft.
.SUN...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 6 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.MON...E to NE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE...E to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ815-010745-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
500 PM EDT Thu Jul 31 2025

.TONIGHT...S winds 5 to 10 kt, becoming E to NE 10 to 20 kt,
then, becoming N to NE 15 to 25 kt. Seas 3 to 6 ft. Showers and
tstms likely.
.FRI...NE winds 20 to 30 kt. Seas 5 to 9 ft. Showers and tstms
likely, then chance of rain.
.FRI NIGHT...NE winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
rain.
.SAT...NE winds 15 to 25 kt. Seas 4 to 8 ft.
.SAT NIGHT...E to NE winds 10 to 20 kt, becoming N to NE 5 to
15 kt. Seas 3 to 6 ft.
.SUN...N to NE winds 5 to 15 kt, becoming E to NE. Seas 3 to
5 ft.
.SUN NIGHT...S winds less than 10 kt, becoming variable. Seas
3 to 5 ft.
.MON...N to NE winds 5 to 10 kt, becoming E to NE. Seas 3 to
4 ft.
.MON NIGHT...S to SE winds 5 to 10 kt, becoming E. Seas 3 to
4 ft.
.TUE...NE winds less than 10 kt, becoming E. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.

$$

.Forecaster Dawson. Ocean Prediction Center.