FZNT21 KWBC 221436
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1036 AM 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.
ANZ898-230300-
1036 AM EDT Tue Sep 22 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure S of the waters
will slowly drift NE today and tonight while strengthening. The
low will stall S of the waters Wed, then slowly drift NW through
Fri night. The low is expected to strengthen with a band of
storm force sustained winds developing Thu, then continuing into
Fri. The low weakens briefly Fri, but then likely strengthens
again later Fri and Fri night. The low then weakens Sat and Sat
night while drifting NE. 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.
$$
ANZ800-230300-
Gulf of Maine to the Hague Line-
1036 AM EDT Tue Sep 22 2026
...GALE FORCE WINDS POSSIBLE FRI NIGHT...
.TODAY...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...E to NE winds 15 to 25 kt. Seas 4 to 7 ft.
.WED...NE winds 20 to 30 kt. Seas 6 to 10 ft.
.WED NIGHT...NE winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...NE winds 20 to 30 kt. Seas 8 to 14 ft.
.THU NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft.
.FRI...NE winds 25 to 30 kt, becoming 25 to 35 kt. Seas 10 to
17 ft.
.FRI NIGHT...NE winds 30 to 40 kt. Seas 13 to 20 ft.
.SAT...NE winds 30 to 40 kt. Seas 12 to 18 ft.
.SAT NIGHT...NE winds 25 to 35 kt, becoming 25 to 30 kt. Seas
9 to 13 ft.
$$
ANZ805-230300-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1036 AM EDT Tue Sep 22 2026
...GALE WARNING...
...STORM FORCE WINDS POSSIBLE FRI NIGHT...
.TODAY...NE winds 20 to 30 kt. Seas 6 to 9 ft. Chance of
showers.
.TONIGHT...NE winds 20 to 30 kt. Seas 7 to 13 ft. Chance of
showers.
.WED...NE winds 30 to 40 kt. Seas 10 to 18 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 13 to 21 ft. Chance of
showers.
.THU...NE winds 30 to 40 kt. Seas 13 to 23 ft.
.THU NIGHT...NE winds 35 to 45 kt. Seas 14 to 24 ft.
.FRI...NE winds 35 to 45 kt. Seas 13 to 23 ft.
.FRI NIGHT...NE winds 40 to 50 kt, diminishing to 30 to 40 kt.
Seas 14 to 22 ft.
.SAT...N to NE winds 30 to 40 kt. Seas 12 to 18 ft.
.SAT NIGHT...N to NE winds 20 to 30 kt. Seas 9 to 12 ft.
$$
ANZ900-230300-
Georges Bank between 68W and the Hague Line-
1036 AM EDT Tue Sep 22 2026
...GALE WARNING...
...STORM FORCE WINDS POSSIBLE THU NIGHT...
.TODAY...NE winds 20 to 30 kt. Seas 6 to 9 ft. Chance of
showers.
.TONIGHT...E to NE winds 20 to 30 kt. Seas 7 to 12 ft. Chance of
showers.
.WED...NE winds 30 to 40 kt. Seas 10 to 17 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 12 to 21 ft. Chance of
showers.
.THU...NE winds 35 to 45 kt. Seas 13 to 22 ft.
.THU NIGHT...NE winds 35 to 45 kt, increasing to 40 to 50 kt.
Seas 14 to 23 ft.
.FRI...NE winds 40 to 50 kt, diminishing to 30 to 40 kt. Seas
15 to 22 ft.
.FRI NIGHT...NE winds 35 to 45 kt. Seas 15 to 20 ft.
.SAT...NE winds 30 to 40 kt. Seas 13 to 18 ft.
.SAT NIGHT...NE winds 20 to 30 kt. Seas 10 to 12 ft.
$$
ANZ810-230300-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1036 AM EDT Tue Sep 22 2026
...GALE WARNING...
...STORM FORCE WINDS POSSIBLE FRI...
.TODAY...NE winds 25 to 30 kt. Seas 7 to 10 ft. Chance of
showers.
.TONIGHT...NE winds 25 to 35 kt, becoming 25 to 30 kt. Seas 9 to
13 ft. Chance of showers.
.WED...NE winds 30 to 40 kt. Seas 11 to 18 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt. Seas 14 to 21 ft. Chance of
showers.
.THU...NE winds 30 to 40 kt. Seas 15 to 23 ft.
.THU NIGHT...NE winds 35 to 45 kt. Seas 16 to 23 ft.
.FRI...NE winds 35 to 50 kt, becoming N to NE 35 to 45 kt. Seas
16 to 23 ft.
.FRI NIGHT...N to NE winds 35 to 50 kt, becoming N 30 to 40 kt.
Seas 15 to 24 ft.
.SAT...N winds 30 to 40 kt. Seas 13 to 18 ft.
.SAT NIGHT...N winds 25 to 35 kt, diminishing to 20 to 25 kt.
Seas 10 to 12 ft.
$$
ANZ815-230300-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1036 AM EDT Tue Sep 22 2026
...GALE WARNING...
.TODAY...NE winds 25 to 30 kt. Seas 7 to 11 ft. Chance of
showers.
.TONIGHT...NE winds 30 to 35 kt. Seas 9 to 14 ft. Chance of
showers.
.WED...NE winds 30 to 40 kt. Seas 11 to 18 ft. Chance of
showers.
.WED NIGHT...NE winds 30 to 40 kt, diminishing to 25 to 30 kt.
Seas 14 to 20 ft. Chance of showers.
.THU...NE winds 30 to 35 kt. Seas 15 to 21 ft.
.THU NIGHT...NE winds 30 to 35 kt. Seas 16 to 21 ft.
.FRI...NE winds 35 to 40 kt, becoming N. Seas 16 to 22 ft.
.FRI NIGHT...N winds 35 to 45 kt. Seas 16 to 23 ft.
.SAT...N winds 30 to 40 kt. Seas 14 to 18 ft.
.SAT NIGHT...N winds 25 to 35 kt, becoming 25 to 30 kt. Seas
10 to 14 ft.
$$
.Forecaster Collins. Ocean Prediction Center.