FZNT21 KWBC 212028
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
428 PM EDT Fri Aug 21 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.
ANZ898-220815-
428 PM EDT Fri Aug 21 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure currently
centered about 80 NM to the SE of Montauk Point will move slowly
NE along coastal New England tonight through Sat night, and
while lifting a warm front slowly N across the area. A cold
front approaches the coast Sun and Sun night, then moves slowly
offshore Mon and Mon night. The front finally clears E Tue, with
a low pressure trough lingering across the area later Tue through
Wed night.
$$
ANZ800-220815-
Gulf of Maine to the Hague Line-
428 PM EDT Fri Aug 21 2026
.TONIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SAT...E winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and
tstms with vsby 1 nm or less.
.SAT NIGHT...S to SE winds 5 to 15 kt, becoming S 5 to 10 kt.
Seas 3 to 4 ft. Chance of showers and tstms with vsby 1 nm or
less.
.SUN...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms with vsby 1 nm or less.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...S to SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 5 ft.
.MON NIGHT...S to SW winds 10 to 15 kt, becoming SW 5 to 10 kt.
Seas 3 to 5 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft.
.WED...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
$$
ANZ805-220815-
Georges Bank between Cape Cod and 68W north of 1000 FM-
428 PM EDT Fri Aug 21 2026
.TONIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers
and tstms with vsby 1 nm or less.
.SAT...E to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SAT NIGHT...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SUN...S winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers
and tstms with vsby 1 nm or less.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 6 ft.
.MON...SW winds 5 to 10 kt. Seas 4 to 5 ft.
.MON NIGHT...S winds less than 10 kt, becoming W to SW. Seas
3 to 4 ft.
.TUE...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...W to SW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.WED NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ900-220815-
Georges Bank between 68W and the Hague Line-
428 PM EDT Fri Aug 21 2026
.TONIGHT...E winds 5 to 10 kt, becoming E to SE 5 to 15 kt. Seas
3 to 4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SAT...E to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SAT NIGHT...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.SUN...S winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers
and tstms with vsby 1 nm or less.
.SUN NIGHT...S winds 10 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 4 to 6 ft.
.MON...S to SW winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas
4 to 5 ft.
.MON NIGHT...S to SW winds less than 10 kt. Seas 3 to 5 ft.
.TUE...W to SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
5 ft.
.TUE NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 5 ft.
.WED...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ810-220815-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
428 PM EDT Fri Aug 21 2026
.TONIGHT...S to SW winds 10 to 15 kt, becoming W to SW. Seas
3 to 5 ft. Chance of showers and tstms.
.SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
showers and tstms.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. Numerous showers and tstms.
.SUN...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. Numerous
showers and tstms.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W. Seas 4 to 5 ft.
.MON...W to SW winds 5 to 10 kt. Seas 3 to 5 ft.
.MON NIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas
3 to 4 ft.
.TUE...W winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft.
.WED...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ815-220815-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
428 PM EDT Fri Aug 21 2026
.TONIGHT...N winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to
6 ft. Chance of showers and tstms.
.SAT...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.
Chance of showers and tstms.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas
3 to 4 ft. Numerous showers and tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Numerous showers
and tstms.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft.
.MON...W to SW winds 5 to 10 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft.
.TUE...W winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft.
.WED...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft.
$$
.Forecaster Collins. Ocean Prediction Center.