FZNT21 KWBC 170824
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
424 AM EDT Mon Aug 17 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.
ANZ898-171945-
424 AM EDT Mon Aug 17 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure area will
track slowly E over the S waters while strengthening today into
Tue, before clearing NE of the waters Tue night as it begins to
weaken. Weak high pressure will build E into the area Wed, and
slide off to the E Wed night as a weak cold front moves off the
coast. The front will move SE over the waters Thu, and pass S and
E of the area Thu night into Fri. High pressure will build E
over New England Thu night, and move E and NE over the waters Fri
into Fri night.
$$
ANZ800-171945-
Gulf of Maine to the Hague Line-
424 AM EDT Mon Aug 17 2026
.TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely.
Chance of tstms.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Slight chance
of tstms. Showers likely with vsby 1 nm or less. Patchy fog.
.TUE...E to SE winds 5 to 15 kt, becoming N to NE. Seas 4 to
7 ft. Chance of showers with vsby 1 nm or less.
.TUE NIGHT...N winds 5 to 10 kt, becoming N to NW 5 to 15 kt.
Seas 4 to 7 ft.
.WED...W to NW winds less than 10 kt, becoming S to SW. Seas
3 to 5 ft.
.WED NIGHT...S winds 10 to 15 kt, becoming SW. Seas 3 to 4 ft.
.THU...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...W winds less than 10 kt, becoming N. Seas 3 to
4 ft.
.FRI...N to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft.
$$
ANZ805-171945-
Georges Bank between Cape Cod and 68W north of 1000 FM-
424 AM EDT Mon Aug 17 2026
.TODAY...S winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas
3 to 5 ft. Showers likely. Chance of tstms.
.TONIGHT...SE winds 10 to 20 kt, becoming E to SE 5 to 15 kt.
Seas 4 to 8 ft. Slight chance of tstms. Showers likely with vsby
1 nm or less.
.TUE...W to NW winds 5 to 15 kt. Seas 4 to 8 ft. Chance of
showers with vsby 1 nm or less.
.TUE NIGHT...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to
6 ft.
.WED...Variable winds less than 5 kt, becoming S to SW 5 to
15 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft.
.THU...S to SW winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.THU NIGHT...W to SW winds less than 10 kt, becoming W to NW.
Seas 3 to 4 ft.
.FRI...N to NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds 5 to 10 kt, becoming E. Seas 3 to 4 ft.
$$
ANZ900-171945-
Georges Bank between 68W and the Hague Line-
424 AM EDT Mon Aug 17 2026
.TODAY...S winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas
3 to 4 ft. Showers likely.
.TONIGHT...S to SE winds 20 to 30 kt. Seas 3 to 6 ft, building
to 6 to 10 ft. Slight chance of tstms. Showers likely with vsby
1 nm or less. Patchy fog.
.TUE...S to SE winds 15 to 25 kt, becoming W to NW 5 to 15 kt.
Seas 6 to 11 ft. Chance of showers with vsby 1 nm or less.
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. Areas of
fog with vsby 1 nm or less.
.WED...W to NW winds less than 10 kt, becoming SW. Seas 3 to
5 ft.
.WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.THU...S to SW winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.FRI...N winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ810-171945-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
424 AM EDT Mon Aug 17 2026
.TODAY...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
6 ft. Showers and scattered tstms.
.TONIGHT...S to SW winds 10 to 20 kt, becoming W to NW 5 to
10 kt. Seas 4 to 7 ft. Chance of showers and slight chance of
tstms.
.TUE...N to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.TUE NIGHT...N to NW winds 5 to 10 kt, becoming variable. Seas
3 to 4 ft.
.WED...Variable winds less than 5 kt, becoming S to SW. Seas
3 to 4 ft.
.WED NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft.
.THU...SW winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...Variable winds less than 5 kt, becoming N to NW.
Seas 3 to 4 ft.
.FRI...N to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E to NE winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ815-171945-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
424 AM EDT Mon Aug 17 2026
.TODAY...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. Showers and
scattered tstms.
.TONIGHT...W to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
4 to 6 ft. Chance of showers.
.TUE...N winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft.
.WED...S winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU...W to SW winds 5 to 10 kt, becoming S to SW. Seas 3 to
4 ft.
.THU NIGHT...Variable winds less than 5 kt, becoming N. Seas
3 to 4 ft.
.FRI...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
3 to 4 ft.
.FRI NIGHT...E to NE winds 5 to 10 kt. Seas 3 to 4 ft.
$$
.Forecaster Joseph. Ocean Prediction Center.