FZNT21 KWBC 282026
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
426 PM EDT Tue Apr 28 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.
ANZ898-290830-
426 PM EDT Tue Apr 28 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure SE of the area
will continue passing E and SE of the waters tonight into Wed. A
low pressure trough extending NW from the low will move into the
area from the E tonight into Wed, then stall Wed night. The
trough will move back E across the waters Thu, then shift E of
the area Thu night, ahead of an area of low pressure and
associated cold front that will move E across the area late Thu
and Thu night. The low will move N of the area Fri and Fri night
as the cold front moves E of the waters. A high pressure ridge
will pass across the waters Sat. Another low will approach the
area from the SW Sat night, and move E and NE of the region Sun
and Sun night, while high pressure builds in from the W.
$$
ANZ800-290830-
Gulf of Maine to the Hague Line-
426 PM EDT Tue Apr 28 2026
.TONIGHT...E to NE winds 15 to 25 kt. Seas 6 to 11 ft. Scattered
showers.
.WED...E winds 10 to 20 kt. Seas 8 to 10 ft. Scattered showers
with vsby 1 nm or less.
.WED NIGHT...E winds 15 to 20 kt, becoming SE. Seas 8 to 9 ft.
Scattered showers with vsby 1 nm or less.
.THU...E to SE winds 15 to 25 kt. Seas 8 to 9 ft. Areas of fog.
Chance of rain. Vsby 1 NM or less.
.THU NIGHT...S to SE winds 15 to 25 kt. Seas 7 to 10 ft.
.FRI...W winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W. Seas 6 to 8 ft.
.SAT...W winds 10 to 15 kt, becoming W to SW 5 to 10 kt. Seas
4 to 8 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming S to SW less than
5 kt. Seas 4 to 6 ft.
.SUN...Variable winds less than 10 kt, becoming N to NW. Seas
4 to 8 ft.
.SUN NIGHT...W to SW winds 10 to 15 kt, becoming W 10 to 20 kt.
Seas 6 to 8 ft.
$$
ANZ805-290830-
Georges Bank between Cape Cod and 68W north of 1000 FM-
426 PM EDT Tue Apr 28 2026
.TONIGHT...N to NE winds 15 to 25 kt. Seas 7 to 12 ft. Scattered
showers. Areas of fog.
.WED...E to NE winds 10 to 20 kt. Seas 8 to 10 ft. Areas of fog.
Scattered showers with vsby 1 nm or less.
.WED NIGHT...E winds 10 to 20 kt, becoming SE. Seas 7 to 9 ft.
Scattered showers with vsby 1 nm or less.
.THU...S to SE winds 10 to 20 kt. Seas 7 to 8 ft. Areas of fog
and slight chance of rain with vsby 1 nm or less.
.THU NIGHT...W to SW winds 5 to 15 kt, becoming W 10 to 20 kt.
Seas 6 to 7 ft.
.FRI...W winds 15 to 20 kt. Seas 7 to 8 ft.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 9 ft.
.SAT...W winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas 5 to
7 ft.
.SAT NIGHT...S winds 5 to 10 kt, becoming E to NE. Seas 4 to
5 ft, building to 5 to 9 ft.
.SUN...N to NE winds 10 to 20 kt. Seas 6 to 10 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft.
$$
ANZ900-290830-
Georges Bank between 68W and the Hague Line-
426 PM EDT Tue Apr 28 2026
.TONIGHT...E to NE winds 20 to 30 kt, becoming E 10 to 20 kt.
Seas 9 to 13 ft. Areas of fog early. Scattered showers with vsby
1 nm or less. Areas of fog with vsby 1 nm or less.
.WED...E winds 10 to 20 kt. Seas 8 to 11 ft. Scattered showers
with vsby 1 nm or less.
.WED NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. Scattered
showers with vsby 1 nm or less.
.THU...E to SE winds 10 to 20 kt, becoming S to SE. Seas 7 to
9 ft. Areas of fog and slight chance of rain with vsby 1 nm or
less.
.THU NIGHT...S to SE winds 5 to 15 kt, becoming W 10 to 20 kt.
Seas 7 to 8 ft.
.FRI...W winds 15 to 25 kt. Seas 7 to 8 ft.
.FRI NIGHT...W winds 15 to 20 kt. Seas 7 to 9 ft.
.SAT...W winds 10 to 15 kt, becoming SW 5 to 10 kt. Seas 5 to
8 ft.
.SAT NIGHT...Variable winds less than 10 kt, becoming E to NE.
Seas 5 to 9 ft.
.SUN...NE winds 15 to 25 kt, becoming N 20 to 30 kt. Seas 7 to
11 ft.
.SUN NIGHT...W to NW winds 10 to 20 kt. Seas 7 to 10 ft.
$$
ANZ810-290830-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
426 PM EDT Tue Apr 28 2026
.TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.WED...N winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 7 to
9 ft.
.WED NIGHT...E winds 5 to 10 kt, becoming variable. Seas 6 to
8 ft.
.THU...Variable winds less than 5 kt, becoming W to SW 10 to
15 kt. Seas 6 to 7 ft.
.THU NIGHT...W winds 10 to 15 kt, becoming W to NW 15 to 20 kt.
Seas 6 to 7 ft.
.FRI...W winds 15 to 20 kt. Seas 7 to 8 ft.
.FRI NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 5 to 8 ft.
.SAT...W winds 5 to 10 kt, becoming S. Seas 4 to 5 ft.
.SAT NIGHT...E to SE winds less than 5 kt, becoming NE. Seas
5 to 9 ft.
.SUN...N winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 7 to
10 ft.
.SUN NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt.
Seas 6 to 8 ft.
$$
ANZ815-290830-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
426 PM EDT Tue Apr 28 2026
.TONIGHT...N to NE winds 10 to 20 kt, becoming NE 5 to 15 kt,
then, becoming N. Seas 5 to 8 ft.
.WED...N to NE winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 6 to 7 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 6 to 7 ft.
.THU...SE winds 5 to 10 kt, becoming W to NW 10 to 15 kt. Seas
6 to 7 ft.
.THU NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt. Seas
6 to 7 ft.
.FRI...NW winds 20 to 25 kt, becoming W 15 to 20 kt. Seas 5 to
7 ft.
.FRI NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...W winds less than 5 kt, becoming variable. Seas 3 to
4 ft.
.SAT NIGHT...E winds less than 5 kt, becoming N to NE. Seas 4 to
8 ft.
.SUN...N winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 6 to
8 ft.
.SUN NIGHT...W to SW winds 10 to 15 kt. Seas 5 to 7 ft.
$$
.Forecaster Holley. Ocean Prediction Center.