618
FZNT21 KWBC 220305
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1105 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.

ANZ898-221515-
1105 PM EDT Fri Aug 21 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure just S of
Nantucket, Massachusetts this evening, will move slowly NE along
coastal New England tonight through Sat night, 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.

$$

ANZ800-221515-
Gulf of Maine to the Hague Line-
1105 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 rain.
.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.

$$

ANZ805-221515-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1105 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.

$$

ANZ900-221515-
Georges Bank between 68W and the Hague Line-
1105 PM EDT Fri Aug 21 2026

.TONIGHT...E to SE winds 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.

$$

ANZ810-221515-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1105 PM EDT Fri Aug 21 2026

.TONIGHT...S to SW winds 10 to 15 kt, becoming W to SW. Seas
4 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.

$$

ANZ815-221515-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1105 PM EDT Fri Aug 21 2026

.TONIGHT...N winds 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 Holley. Ocean Prediction Center.