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About
Offshore Waters Forecast (New England)
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FZNT21 KWBC 222055
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
455 PM EDT Tue Sep 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.
ANZ898-230800-
455 PM EDT Tue Sep 22 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...Strong high pressure builds
S across the area tonight into Wed, while a stationary front
persists S of the waters. The high shifts E later Wed and Wed
night. Low pressure develops along the stalled front Wed, then
remains nearly stationary just S of the area Wed night through
Thu night while broadening and strengthening. The low drifts N
across the area Fri into Sat, then remains nearly stationary
across the waters later Sat through Sun night while slowly
weakening. Mariners should continue monitoring forecasts for the
low pressure, and consider avoidance plans as needed. This will
be a long duration event for the mid-Atlantic and New England
coasts, impactful to the mariner.
$$
ANZ800-230800-
Gulf of Maine to the Hague Line-
455 PM EDT Tue Sep 22 2026
...GALE FORCE WINDS POSSIBLE FRI...
.TONIGHT...E winds 15 to 25 kt. Seas 4 to 7 ft.
.WED...NE winds 15 to 25 kt. Seas 5 to 9 ft.
.WED NIGHT...E winds 15 to 25 kt, becoming NE 20 to 30 kt. Seas
6 to 10 ft.
.THU...NE winds 15 to 25 kt. Seas 7 to 12 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 8 to 14 ft.
.FRI...NE winds 30 to 40 kt. Seas 11 to 18 ft.
.FRI NIGHT...NE winds 35 to 45 kt. Seas 12 to 20 ft.
.SAT...NE winds 30 to 40 kt. Seas 12 to 20 ft.
.SAT NIGHT...NE winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 11 to 18 ft.
.SUN...NE winds 20 to 30 kt. Seas 8 to 14 ft.
.SUN NIGHT...NE winds 20 to 25 kt. Seas 7 to 9 ft.
$$
ANZ805-230800-
Georges Bank between Cape Cod and 68W north of 1000 FM-
455 PM EDT Tue Sep 22 2026
...GALE WARNING...
.TONIGHT...NE winds 20 to 30 kt. Seas 7 to 12 ft. Chance of
showers.
.WED...NE winds 30 to 40 kt. Seas 10 to 17 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 11 to 18 ft. Chance of
showers.
.THU...NE winds 30 to 40 kt. Seas 11 to 19 ft. Chance of
showers.
.THU NIGHT...NE winds 30 to 40 kt. Seas 12 to 21 ft.
.FRI...NE winds 35 to 45 kt. Seas 14 to 23 ft.
.FRI NIGHT...NE winds 35 to 45 kt. Seas 16 to 22 ft.
.SAT...N to NE winds 30 to 40 kt, diminishing to 20 to 30 kt.
Seas 13 to 20 ft.
.SAT NIGHT...N to NE winds 20 to 30 kt, becoming W to NW 15 to
25 kt. Seas 11 to 17 ft.
.SUN...NE winds 15 to 25 kt. Seas 8 to 14 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft.
$$
ANZ900-230800-
Georges Bank between 68W and the Hague Line-
455 PM EDT Tue Sep 22 2026
...GALE WARNING...
.TONIGHT...E to NE winds 20 to 30 kt. Seas 7 to 12 ft. Chance of
showers.
.WED...NE winds 25 to 35 kt. Seas 9 to 16 ft. Chance of showers.
.WED NIGHT...NE winds 25 to 35 kt. Seas 10 to 17 ft. Chance of
showers.
.THU...NE winds 30 to 40 kt. Seas 11 to 19 ft. Chance of
showers.
.THU NIGHT...NE winds 30 to 40 kt. Seas 12 to 21 ft.
.FRI...NE winds 35 to 45 kt. Seas 15 to 22 ft.
.FRI NIGHT...NE winds 35 to 45 kt. Seas 15 to 20 ft.
.SAT...NE winds 30 to 40 kt, becoming S to SW 20 to 30 kt. Seas
12 to 20 ft.
.SAT NIGHT...S to SW winds 20 to 30 kt. Seas 10 to 15 ft.
.SUN...E to NE winds 15 to 25 kt. Seas 7 to 12 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 8 to 9 ft.
$$
ANZ810-230800-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
455 PM EDT Tue Sep 22 2026
...GALE WARNING...
...STORM FORCE WINDS POSSIBLE FRI...
.TONIGHT...NE winds 25 to 30 kt, becoming 25 to 35 kt. Seas 8 to
13 ft. Chance of showers.
.WED...NE winds 30 to 40 kt. Seas 11 to 17 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 14 to 19 ft. Chance of
showers.
.THU...NE winds 30 to 40 kt. Seas 15 to 19 ft. Chance of
showers.
.THU NIGHT...NE winds 35 to 45 kt. Seas 15 to 20 ft.
.FRI...NE winds 35 to 45 kt, becoming N 40 to 50 kt. Seas 16 to
23 ft.
.FRI NIGHT...N winds 35 to 50 kt, becoming 35 to 45 kt. Seas
17 to 22 ft.
.SAT...N to NW winds 30 to 40 kt. Seas 13 to 19 ft.
.SAT NIGHT...N to NW winds 25 to 35 kt, diminishing to 20 to
25 kt. Seas 9 to 15 ft.
.SUN...N winds 20 to 25 kt. Seas 8 to 12 ft.
.SUN NIGHT...N to NE winds 20 to 25 kt. Seas 7 to 10 ft.
$$
ANZ815-230800-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
455 PM EDT Tue Sep 22 2026
...GALE WARNING...
.TONIGHT...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas
9 to 13 ft. Chance of showers.
.WED...NE winds 30 to 40 kt. Seas 11 to 17 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 14 to 18 ft. Chance of
showers.
.THU...NE winds 30 to 35 kt. Seas 15 to 18 ft. Chance of
showers.
.THU NIGHT...NE winds 30 to 40 kt. Seas 15 to 19 ft.
.FRI...N to NE winds 35 to 45 kt. Seas 15 to 20 ft.
.FRI NIGHT...N winds 35 to 45 kt. Seas 14 to 21 ft.
.SAT...N winds 30 to 40 kt. Seas 11 to 16 ft.
.SAT NIGHT...N winds 25 to 35 kt, diminishing to 20 to 25 kt.
Seas 8 to 13 ft.
.SUN...N winds 20 to 25 kt. Seas 7 to 10 ft.
.SUN NIGHT...N winds 20 to 25 kt. Seas 6 to 9 ft.
$$
.Forecaster Collins. Ocean Prediction Center.