Offshore Waters Forecast (New England)

FZNT21 KWBC 100223
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1023 PM EDT Fri May 9 2025

New England continental shelf and slope waters from 25 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.

ANZ898-110230-
1023 PM EDT Fri May 9 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure centered near
Long Island will lift NE across southern New England tonight, 
then across the Gulf of Maine on Sat. A stationary front 
extending E from the low to near Georges Bank will persist into 
Sat morning. The low will then pull a cold front E across the 
area tonight into Sat. A secondary cold front will move SE across
the waters Sat night and Sun. High pressure will build SE across
the waters later Sun into Mon, then shift SE Mon night. A cold 
front will clip the eastern portions late Mon night. Weak low 
pressure developing inland over the Mid-Atlantic on Tue will 
slowly push a warm front NE across the waters Tue night through 
Wed night. 

$$

ANZ800-110230-
Gulf of Maine to the Hague Line-
1023 PM EDT Fri May 9 2025

.TONIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to
6 ft. Areas of fog. Rain with vsby 1 nm or less. Areas of fog
with vsby 1 nm or less. 
.SAT...E to SE winds 10 to 20 kt, becoming W to SW 15 to 25 kt.
Seas 5 to 7 ft. Areas of fog. Rain. Slight chance of showers.
Vsby 1 NM or less. 
.SAT NIGHT...W winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas
5 to 9 ft. 
.SUN...NW winds 10 to 15 kt. Seas 3 to 6 ft. 
.SUN NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 5 ft. 
.MON...W to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 4 ft. 
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 4 ft. 
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...S to SW winds 10 to 15 kt, diminishing to 5 to
10 kt. Seas 3 to 4 ft. 

$$

ANZ805-110230-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1023 PM EDT Fri May 9 2025

.TONIGHT...E to SE winds 10 to 20 kt, becoming S to SE. Seas
5 to 6 ft. Scattered showers, fog and tstms with vsby 1 nm or
less. 
.SAT...SW winds 15 to 25 kt, becoming W. Seas 5 to 8 ft. Areas
of fog with vsby 1 nm or less. 
.SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 5 to 9 ft. 
.SUN...NW winds 5 to 15 kt. Seas 3 to 6 ft. 
.SUN NIGHT...NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
3 to 4 ft. 
.MON...Variable winds less than 10 kt, becoming SW 10 to 20 kt.
Seas 3 to 4 ft. 
.MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
4 ft. 
.TUE NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 4 ft. 
.WED...S to SW winds 5 to 10 kt, becoming S 10 to 15 kt. Seas
3 to 4 ft. 
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 

$$

ANZ900-110230-
Georges Bank between 68W and the Hague Line-
1023 PM EDT Fri May 9 2025

.TONIGHT...E to SE winds 5 to 10 kt, becoming S to SE 10 to
15 kt. Seas 5 to 6 ft. Scattered showers, fog and tstms with
vsby 1 nm or less. 
.SAT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft. Areas of fog.
Scattered showers and slight chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...W winds 20 to 30 kt, diminishing to 10 to 20 kt.
Seas 6 to 9 ft. 
.SUN...NW winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...N to NW winds 5 to 15 kt. Seas 4 to 5 ft. 
.MON...Variable winds less than 5 kt, becoming SW 5 to 15 kt.
Seas 3 to 4 ft. 
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to
5 ft. 
.TUE NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 4 ft. 
.WED...S to SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.WED NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. 

$$

ANZ810-110230-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1023 PM EDT Fri May 9 2025

.TONIGHT...S to SE winds 10 to 15 kt, becoming S to SW 10 to
20 kt. Seas 5 to 6 ft. Scattered showers and slight chance of 
tstms with vsby 1 nm or less. 
.SAT...W winds 15 to 25 kt. Seas 5 to 8 ft. 
.SAT NIGHT...W winds 10 to 20 kt, becoming W to NW 10 to 15 kt.
Seas 4 to 8 ft. 
.SUN...W to NW winds less than 10 kt. Seas 3 to 6 ft. 
.SUN NIGHT...Variable winds less than 10 kt, becoming E to NE.
Seas 3 to 4 ft. 
.MON...S to SE winds less than 10 kt, becoming S to SW. Seas
3 to 4 ft. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SW winds 10 to 15 kt, becoming S 5 to 10 kt. Seas
3 to 4 ft. 
.WED...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 6 ft. 

$$

ANZ815-110230-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1023 PM EDT Fri May 9 2025

.TONIGHT...S to SW winds 5 to 15 kt, becoming W 10 to 20 kt.
Seas 4 to 6 ft. Scattered showers and slight chance of tstms
with vsby 1 nm or less. 
.SAT...W winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT NIGHT...W winds 10 to 15 kt, becoming NW. Seas 4 to 7 ft. 
.SUN...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...N to NW winds less than 10 kt, becoming E. Seas
3 to 4 ft. 
.MON...SE winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas
3 to 4 ft. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SW winds 5 to 10 kt, becoming S. Seas 3 to 4 ft. 
.TUE NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...S to SE winds 10 to 15 kt, becoming S 5 to 10 kt.
Seas 3 to 6 ft. 

$$

.Forecaster Collins. Ocean Prediction Center.