Offshore Waters Forecast (New England)

FZNT21 KWBC 302103
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
503 PM EDT Thu Apr 30 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.

ANZ898-010800-
503 PM EDT Thu Apr 30 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A low pressure trough
extending NW from a low pressure center SE of the area will shift
E of the area tonight ahead of an area of low pressure and an 
associated cold front. The low and cold front will move E across 
the area tonight. The front will clear E of the waters by early 
Fri, with a secondary cold front or low pressure trough crossing 
the waters into later Fri. A high pressure ridge will pass across
the waters Fri night and Sat. A strengthening area of low 
pressure will approach the waters from the S late Sat, then pass 
just S of the southern waters Sat night. The low will continue to
deepen E and NE of the waters Sun through Mon night. High 
pressure will move into the region from the W Sun night and 
persist through Mon night. 

$$

ANZ800-010800-
Gulf of Maine to the Hague Line-
503 PM EDT Thu Apr 30 2026

...GALE FORCE WINDS POSSIBLE SUN...

.TONIGHT...SE winds 10 to 20 kt, becoming W 5 to 10 kt, then,
increasing to 10 to 15 kt. Seas 6 to 9 ft. Scattered showers and
areas of fog with vsby 1 nm or less.
.FRI...NW winds 10 to 15 kt, becoming W 5 to 15 kt. Seas 5 to
7 ft. Scattered showers with vsby 1 nm or less. 
.FRI NIGHT...W to SW winds 10 to 15 kt, diminishing to less than
10 kt. Seas 4 to 6 ft. 
.SAT...S to SE winds 5 to 15 kt. Seas 4 to 5 ft. 
.SAT NIGHT...S winds 10 to 15 kt, becoming E to SE. Seas 3 to
5 ft. 
.SUN...NE winds 15 to 25 kt, becoming E to NE 25 to 35 kt. Seas
3 to 5 ft, building to 5 to 9 ft. 
.SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 9 ft. 
.MON...W to SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt.
Seas 4 to 6 ft. 
.MON NIGHT...SW winds 20 to 25 kt. Seas 5 to 8 ft. 
.TUE...S winds 20 to 30 kt. Seas 6 to 11 ft. 
.TUE NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. 

$$

ANZ805-010800-
Georges Bank between Cape Cod and 68W north of 1000 FM-
503 PM EDT Thu Apr 30 2026

...GALE FORCE WINDS POSSIBLE SUN...

.TONIGHT...W to NW winds less than 10 kt, increasing to 5 to
15 kt. Seas 6 to 8 ft. Scattered showers and areas of fog with
vsby 1 nm or less. 
.FRI...NW winds 5 to 15 kt. Seas 5 to 6 ft. Scattered showers
with vsby 1 nm or less. 
.FRI NIGHT...W to SW winds 5 to 15 kt, becoming SW 5 to 10 kt.
Seas 4 to 6 ft. 
.SAT...S to SW winds 5 to 10 kt. Seas 4 to 5 ft. 
.SAT NIGHT...S to SE winds 5 to 10 kt, becoming E to NE 20 to
30 kt. Seas 4 to 7 ft. 
.SUN...N to NW winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 6 to 11 ft. 
.SUN NIGHT...W winds 10 to 20 kt. Seas 6 to 10 ft. 
.MON...W winds 10 to 20 kt, becoming SW. Seas 4 to 7 ft. 
.MON NIGHT...SW winds 15 to 25 kt, becoming S 15 to 20 kt. Seas
4 to 6 ft. 
.TUE...S winds 20 to 30 kt. Seas 5 to 9 ft. 
.TUE NIGHT...S winds 15 to 25 kt. Seas 5 to 8 ft. 

$$

ANZ900-010800-
Georges Bank between 68W and the Hague Line-
503 PM EDT Thu Apr 30 2026

...GALE FORCE WINDS POSSIBLE SUN...

.TONIGHT...SE winds 5 to 15 kt, becoming W, then, becoming W to
NW. Seas 6 to 8 ft. Scattered showers and areas of fog.
Scattered tstms. Vsby 1 NM or less. 
.FRI...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to 7 ft.
Scattered showers with vsby 1 nm or less. 
.FRI NIGHT...W winds 5 to 15 kt. Seas 4 to 6 ft. 
.SAT...S winds less than 10 kt, increasing to 5 to 15 kt. Seas
4 to 6 ft. 
.SAT NIGHT...SE winds 10 to 15 kt, becoming E 20 to 30 kt. Seas
4 to 8 ft. 
.SUN...N to NE winds 25 to 35 kt, becoming NW 30 to 40 kt. Seas
7 to 13 ft. 
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 7 to 12 ft. 
.MON...W winds 10 to 20 kt, becoming SW. Seas 4 to 7 ft. 
.MON NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...S winds 15 to 25 kt. Seas 5 to 9 ft. 
.TUE NIGHT...S winds 15 to 25 kt. Seas 5 to 8 ft. 

$$

ANZ810-010800-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
503 PM EDT Thu Apr 30 2026

...GALE FORCE WINDS POSSIBLE SUN...

.TONIGHT...Variable winds less than 5 kt, becoming NW. Seas 5 to
7 ft. Scattered showers early. Areas of fog. Vsby 1 NM or less. 
.FRI...W to NW winds 5 to 15 kt. Seas 5 to 6 ft. 
.FRI NIGHT...W to SW winds 5 to 15 kt, becoming SW 5 to 10 kt.
Seas 4 to 5 ft. 
.SAT...S to SE winds 5 to 10 kt. Seas 4 to 5 ft. 
.SAT NIGHT...S to SE winds 5 to 10 kt, becoming NE 20 to 30 kt.
Seas 4 to 7 ft. 
.SUN...NW winds 25 to 35 kt, diminishing to 15 to 20 kt. Seas
6 to 10 ft. 
.SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 9 ft. 
.MON...W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 4 to
6 ft. 
.MON NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE...S to SW winds 15 to 25 kt. Seas 5 to 7 ft. 
.TUE NIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. 

$$

ANZ815-010800-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
503 PM EDT Thu Apr 30 2026

.TONIGHT...N winds 5 to 10 kt, becoming NW, then, becoming N to
NW 5 to 15 kt. Seas 5 to 7 ft. 
.FRI...NW winds 10 to 15 kt, becoming W to NW 5 to 10 kt. Seas
5 to 6 ft. 
.FRI NIGHT...SW winds 5 to 15 kt. Seas 4 to 5 ft.
.SAT...S winds less than 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E to SE winds 5 to 10 kt, becoming N to NE 10 to
15 kt. Seas 3 to 5 ft. 
.SUN...N to NW winds 15 to 20 kt, becoming W. Seas 4 to 8 ft. 
.SUN NIGHT...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt.
Seas 4 to 8 ft. 
.MON...W to SW winds 10 to 15 kt, becoming S to SW 15 to 20 kt.
Seas 4 to 5 ft. 
.MON NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt. Seas
5 to 7 ft. 
.TUE...SW winds 20 to 25 kt, becoming S 15 to 20 kt. Seas 6 to
8 ft. 
.TUE NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. 

$$

.Forecaster Folmer. Ocean Prediction Center.