Offshore Waters Forecast (New England)

FZNT21 KWBC 202027
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
427 PM EDT Sat Jun 20 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.

ANZ898-210745-
427 PM EDT Sat Jun 20 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Broad complex low pressure
will slowly move E across the Gulf of Saint Lawrence and
Newfoundland through Sun, with a series of associated weak 
surface troughs moving across the waters through Sun. Broad high 
pressure S of the area will briefly extend across the southern 
portions Sun night and early Mon. Low pressure inland will drive 
a warm front offshore from the Mid-Atlantic and N across the 
waters Mon into early Tue. The associated cold front will push E
across the waters Tue, then clear SE of the waters Tue night. 
Behind the front high pressure will build offshore Wed, then 
gradually slide E across the area through Wed night. A weak area
of low pressure will move off the Mid-Atlantic coast and approach
the area from the S Thu and Thu night.

$$

ANZ800-210745-
Gulf of Maine to the Hague Line-
427 PM EDT Sat Jun 20 2026

.TONIGHT...W winds 15 to 20 kt, becoming W to NW 5 to 10 kt.
Seas 4 to 7 ft. 
.SUN...W winds 5 to 10 kt, becoming SW. Seas 3 to 5 ft. 
.SUN NIGHT...SW winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft. 
.MON...Variable winds less than 5 kt, becoming SW. Seas 3 to
4 ft. 
.MON NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 6 ft. 
.TUE...S winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...S winds 5 to 15 kt, becoming N to NW. Seas 3 to
4 ft. 
.WED...N to NW winds 10 to 15 kt, becoming W to NW 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...S winds 5 to 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 

$$

ANZ805-210745-
Georges Bank between Cape Cod and 68W north of 1000 FM-
427 PM EDT Sat Jun 20 2026

.TONIGHT...W winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas
5 to 9 ft. 
.SUN...W to SW winds 5 to 10 kt. Seas 3 to 5 ft. Isolated
showers. 
.SUN NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
Areas of fog with vsby 1 nm or less. 
.MON...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.MON NIGHT...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt.
Seas 3 to 5 ft. 
.TUE...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.TUE NIGHT...Variable winds 5 to 15 kt, becoming W. Seas 4 to
5 ft. 
.WED...N to NW winds 10 to 15 kt, becoming NW 5 to 10 kt. Seas
4 to 5 ft. 
.WED NIGHT...W to SW winds less than 10 kt. Seas 4 to 5 ft. 
.THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...S to SE winds 5 to 15 kt, becoming S 5 to 10 kt.
Seas 3 to 4 ft. 

$$

ANZ900-210745-
Georges Bank between 68W and the Hague Line-
427 PM EDT Sat Jun 20 2026

.TONIGHT...W winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas
5 to 9 ft. 
.SUN...W to SW winds 5 to 10 kt. Seas 4 to 6 ft. Isolated
showers. 
.SUN NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
Areas of fog with vsby 1 nm or less. 
.MON...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less. 
.MON NIGHT...S to SE winds less than 10 kt, increasing to 10 to
15 kt. Seas 3 to 4 ft. 
.TUE...S winds 10 to 20 kt. Seas 3 to 6 ft. 
.TUE NIGHT...Variable winds less than 10 kt, becoming W to SW.
Seas 4 to 5 ft. 
.WED...W to NW winds 5 to 15 kt, becoming NW 5 to 10 kt. Seas
4 to 6 ft. 
.WED NIGHT...W winds less than 10 kt. Seas 4 to 5 ft. 
.THU...S to SW winds less than 10 kt. Seas 3 to 5 ft. 
.THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. 

$$

ANZ810-210745-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
427 PM EDT Sat Jun 20 2026

.TONIGHT...W winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas
5 to 9 ft. 
.SUN...W winds 5 to 10 kt. Seas 3 to 5 ft. Isolated showers. 
.SUN NIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.MON...S to SW winds 5 to 10 kt, becoming S to SE 10 to 20 kt.
Seas 3 to 4 ft. 
.MON NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.WED...N to NW winds 5 to 10 kt. Seas 4 to 5 ft. 
.WED NIGHT...Variable winds less than 10 kt, becoming W to SW.
Seas 3 to 5 ft. 
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. 

$$

ANZ815-210745-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
427 PM EDT Sat Jun 20 2026

.TONIGHT...W to SW winds 10 to 20 kt, becoming W 5 to 10 kt.
Seas 4 to 7 ft. 
.SUN...NW winds less than 5 kt, becoming W to SW. Seas 3 to
4 ft. 
.SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.MON...S to SW winds 5 to 10 kt, becoming S to SE 15 to 25 kt.
Seas 3 to 4 ft. 
.MON NIGHT...S winds 15 to 25 kt. Seas 3 to 6 ft. 
.TUE...S winds 10 to 20 kt, becoming W to SW 5 to 10 kt. Seas
4 to 5 ft. 
.TUE NIGHT...W winds 5 to 10 kt, becoming N to NW 5 to 15 kt.
Seas 3 to 4 ft. 
.WED...N winds 10 to 15 kt, becoming N to NW less than 5 kt.
Seas 3 to 4 ft. 
.WED NIGHT and THU...S to SW winds less than 10 kt. Seas 3 to 4 
ft. 
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. 

$$

.Forecaster Bancroft. Ocean Prediction Center.