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Offshore Waters Forecast (New England)
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FZNT21 KWBC 220848
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
448 AM EDT Thu Oct 22 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.
ANZ898-222015-
448 AM EDT Thu Oct 22 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...Subtropical Storm Josephine,
located near 38.7N 68.3W early this morning, will transition to
a hurricane-force extratropical cyclone today into tonight as it
moves NE. The system will move well out into the N Atlantic
tonight. Mariners must execute avoidance from this system while
monitoring the latest forecasts. High pressure then builds S over
the area Fri, continuing through Sun night except for occasional
surface troughiness along the coast. A cold front approaches the
area from the NW Mon and moves S into the waters Mon night.
$$
ANZ800-222015-
Gulf of Maine to the Hague Line-
448 AM EDT Thu Oct 22 2026
...TROPICAL STORM WARNING...
.TODAY...NE winds 25 to 30 kt, becoming N to NE 30 to 40 kt.
Seas 9 to 15 ft. Showers, becoming scattered, and isolated tstms.
.TONIGHT...N winds 30 to 40 kt. Seas 10 to 17 ft. Scattered
showers early.
.FRI...N winds 20 to 30 kt. Seas 9 to 15 ft.
.FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft.
.SAT...N winds 15 to 20 kt, becoming N to NW 10 to 15 kt. Seas
5 to 9 ft.
.SAT NIGHT...N to NW winds 5 to 15 kt, becoming W to NW 5 to
10 kt. Seas 5 to 9 ft.
.SUN...W to SW winds 5 to 10 kt. Seas 3 to 6 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...W to SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 5 to 15 kt, becoming N 15 to 25 kt. Seas
3 to 4 ft.
$$
ANZ805-222015-
Georges Bank between Cape Cod and 68W north of 1000 FM-
448 AM EDT Thu Oct 22 2026
...TROPICAL STORM WARNING...
.TODAY...N to NE winds 35 to 45 kt, becoming N 45 to 60 kt. Seas
12 to 18 ft, building to 13 to 28 ft. Showers and isolated tstms.
.TONIGHT...N winds 30 to 40 kt. Seas 13 to 20 ft. Numerous
showers ending.
.FRI...N winds 20 to 30 kt. Seas 10 to 15 ft.
.FRI NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft.
.SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 9 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 5 to 8 ft.
.SUN...E to NE winds less than 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...S to SW winds less than 10 kt, becoming variable.
Seas 3 to 5 ft.
.MON...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 10 to 15 kt, becoming N to NW 10 to 20 kt.
Seas 3 to 4 ft.
$$
ANZ900-222015-
Georges Bank between 68W and the Hague Line-
448 AM EDT Thu Oct 22 2026
...TROPICAL STORM WARNING...
.TODAY...NE winds 20 to 30 kt, becoming N to NE 45 to 60 kt.
Seas 12 to 15 ft, building to 16 to 31 ft. Showers and scattered
tstms.
.TONIGHT...N winds 35 to 50 kt, diminishing to 30 to 35 kt. Seas
15 to 27 ft. Showers and isolated tstms ending.
.FRI...N winds 25 to 30 kt. Seas 11 to 17 ft.
.FRI NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft.
.SAT...N winds 15 to 20 kt. Seas 8 to 12 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 6 to 10 ft.
.SUN...N to NE winds less than 10 kt. Seas 4 to 7 ft.
.SUN NIGHT...Variable winds less than 10 kt, increasing to 5 to
15 kt. Seas 3 to 5 ft.
.MON...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 10 to 15 kt, becoming N to NW 10 to 20 kt.
Seas 3 to 4 ft.
$$
ANZ810-222015-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
448 AM EDT Thu Oct 22 2026
...TROPICAL STORM WARNING...
.TODAY...N winds 45 to 60 kt, diminishing to 35 to 45 kt. Seas
15 to 28 ft. Showers becoming scattered, and isolated tstms.
.TONIGHT...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 14 ft.
.FRI NIGHT...N to NE winds 15 to 25 kt. Seas 7 to 12 ft.
.SAT...N winds 5 to 15 kt. Seas 5 to 9 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft.
.SUN...E to NE winds 5 to 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 5 to 10 kt, becoming variable. Seas 4 to
5 ft.
.MON...N to NW winds less than 10 kt, becoming W. Seas 3 to
4 ft.
.MON NIGHT...W winds 10 to 15 kt, becoming N to NW 10 to 20 kt.
Seas 3 to 5 ft.
$$
ANZ815-222015-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
448 AM EDT Thu Oct 22 2026
...TROPICAL STORM WARNING...
.TODAY...N winds 35 to 45 kt. Seas 14 to 23 ft. Numerous showers
and isolated tstms gradually ending.
.TONIGHT...N to NE winds 20 to 30 kt. Seas 9 to 14 ft.
.FRI...N to NE winds 15 to 25 kt. Seas 7 to 12 ft.
.FRI NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 10 ft.
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to
7 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft.
.SUN...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming N to NW.
Seas 3 to 5 ft.
.MON...NW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas 3 to
4 ft.
.MON NIGHT...W winds 10 to 15 kt, becoming N 10 to 20 kt. Seas
3 to 5 ft.
$$
.Forecaster Figurskey. Ocean Prediction Center.