Offshore Forecast
Issued by NWS

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215
FZNT21 KWBC 170826
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
426 AM EDT Thu Jul 17 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.

ANZ898-171945-
426 AM EDT Thu Jul 17 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure trough located
inland from the coast will persist into this afternoon as a cold
approaches from the W. The front will move E and SE over the
area tonight into early Fri, and then move E and S of the area
by Fri night. High pressure will move E across the waters Fri
night into early Sat night. Another cold front will approach the
waters by early Sun, and move E and SE across the area late Sun
and Sun night. Another high pressure area will build E and SE
into the waters Mon and Mon night.

$$

ANZ800-171945-
Gulf of Maine to the Hague Line-
426 AM EDT Thu Jul 17 2025

.TODAY...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
4 ft. Areas of fog. Scattered showers and tstms. Vsby 1 NM or
less.
.TONIGHT...W to SW winds 15 to 25 kt. Seas 3 to 5 ft. Chance of
showers and tstms with vsby 1 nm or less.
.FRI...W to NW winds 10 to 20 kt. Seas 3 to 6 ft.
.FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT...SW winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas
3 to 4 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN...S winds 15 to 25 kt, becoming SW. Seas 3 to 6 ft.
.SUN NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.MON...NW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.MON NIGHT...N to NW winds 10 to 20 kt, diminishing to 5 to
15 kt. Seas 3 to 4 ft.

$$

ANZ805-171945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
426 AM EDT Thu Jul 17 2025

.TODAY...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 3 to 5 ft. Areas of fog early. Scattered showers and tstms.
Vsby 1 NM or less early. 1 NM or less.
.TONIGHT...W to SW winds 15 to 20 kt. Seas 4 to 6 ft. Chance of
showers and tstms with vsby 1 nm or less.
.FRI...NW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers
and tstms.
.FRI NIGHT...W winds less than 10 kt, becoming W to NW. Seas
3 to 5 ft.
.SAT...NW winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN...S winds 15 to 25 kt, becoming SW. Seas 4 to 7 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas
3 to 6 ft.
.MON...N to NW winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft.

$$

ANZ900-171945-
Georges Bank between 68W and the Hague Line-
426 AM EDT Thu Jul 17 2025

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

$$

ANZ810-171945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
426 AM EDT Thu Jul 17 2025

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less.
.TONIGHT...SW winds 15 to 20 kt, becoming W to NW. Seas 5 to
6 ft. Chance of showers and tstms.
.FRI...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of
showers and tstms.
.FRI NIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas
3 to 5 ft.
.SAT...W winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft.
.SAT NIGHT...S winds increasing to 15 to 25 kt. Seas 3 to 5 ft.
.SUN...S to SW winds 10 to 20 kt. Seas 4 to 7 ft.
.SUN NIGHT...W winds 10 to 15 kt, becoming N to NW. Seas 3 to
6 ft.
.MON...N to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E to NE winds 5 to 15 kt, becoming N to NE. Seas
3 to 4 ft.

$$

ANZ815-171945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
426 AM EDT Thu Jul 17 2025

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

$$

.Forecaster Mills. Ocean Prediction Center.