FZNT21 KWBC 262023
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
423 PM EDT Sat Sep 26 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.
ANZ898-270830-
423 PM EDT Sat Sep 26 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...Intense low pressure centered
about 180 nm SE of Cape May, New Jersey this afternoon will turn
NW tonight while approaching western Long Island or New Jersey.
The low will become nearly stationary along the New Jersey coast
Sun into Mon while weakening, then move NE across Cape Cod and
the Gulf of Maine Mon night into Tue night. Meanwhile, strong
high pressure centered NW of the area today will begin drifting E
tonight. The high will turn SE and move over Newfoundland Sun
night and Mon, then continue moving E away from the area early
next week. A weak high pressure ridge will build into the waters
Wed and Wed night. The high will move E Thu and Thu night as a
cold front nears the coast. Mariners should continue monitoring
forecasts, and consider avoidance plans as needed. This will be a
long duration event, and highly impactful to the mariner this
weekend.
$$
ANZ800-270830-
Gulf of Maine to the Hague Line-
423 PM EDT Sat Sep 26 2026
.TONIGHT...E winds 20 to 30 kt. Seas 11 to 14 ft. Rain.
.SUN...E winds 20 to 30 kt. Seas 11 to 14 ft. Rain.
.SUN NIGHT...E winds 20 to 25 kt. Seas 9 to 12 ft. Rain.
.MON...E winds 15 to 25 kt. Seas 7 to 9 ft. Rain.
.MON NIGHT...E winds 5 to 15 kt, becoming E to SE 5 to 10 kt.
Seas 5 to 7 ft.
.TUE...E winds 5 to 10 kt, becoming N to NE 5 to 15 kt. Seas
5 to 7 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft.
.WED...N to NW winds 5 to 10 kt. Seas 3 to 5 ft.
.WED NIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
$$
ANZ805-270830-
Georges Bank between Cape Cod and 68W north of 1000 FM-
423 PM EDT Sat Sep 26 2026
.TONIGHT...E winds 20 to 30 kt. Seas 11 to 15 ft. Rain early,
then scattered showers and slight chance of tstms with vsby 1 NM
or less.
.SUN...E to SE winds 15 to 25 kt. Seas 9 to 13 ft. Rain with
vsby 1 nm or less.
.SUN NIGHT...E to SE winds 10 to 20 kt. Seas 7 to 11 ft. Rain
with vsby 1 nm or less. Areas of fog.
.MON...E winds 10 to 20 kt, becoming S 5 to 10 kt. Seas 6 to
8 ft. Rain, then scattered showers.
.MON NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 6 to 7 ft.
.TUE...W to SW winds 5 to 15 kt. Seas 6 to 7 ft.
.TUE NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 6 ft.
.WED...NW winds 5 to 10 kt. Seas 4 to 6 ft.
.WED NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
$$
ANZ900-270830-
Georges Bank between 68W and the Hague Line-
423 PM EDT Sat Sep 26 2026
.TONIGHT...E to SE winds 20 to 30 kt. Seas 10 to 14 ft. Rain
early, then scattered showers and tstms.
.SUN...E to SE winds 15 to 25 kt. Seas 9 to 12 ft. Rain. Areas
of fog with vsby 1 NM or less.
.SUN NIGHT...E to SE winds 10 to 20 kt. Seas 7 to 10 ft. Rain
with vsby 1 nm or less.
.MON...E winds 10 to 20 kt, becoming S to SW 5 to 10 kt. Seas
6 to 8 ft. Rain, then scattered showers.
.MON NIGHT...S winds 5 to 10 kt, becoming S to SW 5 to 15 kt.
Seas 6 to 7 ft.
.TUE...W to SW winds 5 to 15 kt. Seas 6 to 7 ft.
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 7 ft.
.WED...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
4 to 6 ft.
.WED NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.THU...W winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt.
Seas 3 to 4 ft.
$$
ANZ810-270830-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
423 PM EDT Sat Sep 26 2026
...GALE WARNING...
.TONIGHT...E to NE winds 25 to 35 kt, becoming E to SE 30 to
40 kt, then, becoming S to SE 20 to 30 kt. Seas 13 to 17 ft.
Rain.
.SUN...S winds 20 to 30 kt, diminishing to 10 to 15 kt. Seas
8 to 13 ft. Rain.
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. Rain.
.MON...S to SW winds 10 to 20 kt. Seas 6 to 8 ft. Scattered
showers.
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 6 to 7 ft.
.TUE...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 to 7 ft.
.TUE NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 4 to 6 ft.
.WED...NW winds 5 to 10 kt, becoming W. Seas 3 to 5 ft.
.WED NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.THU NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt.
Seas 3 to 4 ft.
$$
ANZ815-270830-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
423 PM EDT Sat Sep 26 2026
...STORM WARNING...
.TONIGHT...N to NE winds 40 to 55 kt, becoming N 30 to 40 kt.
Seas 13 to 22 ft. Rain.
.SUN...S winds 20 to 30 kt. Seas 8 to 13 ft. Rain.
.SUN NIGHT...S winds 15 to 20 kt. Seas 7 to 8 ft. Rain.
.MON...S to SW winds 15 to 20 kt. Seas 6 to 8 ft. Scattered
showers.
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft.
.TUE...W winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...NW winds 5 to 10 kt, becoming W. Seas 3 to 5 ft.
.WED...W winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
$$
.Forecaster Holley. Ocean Prediction Center.