Offshore Waters Forecast (New England)

FZNT21 KWBC 160216
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1016 PM EDT Thu May 15 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.

ANZ898-170230-
1016 PM EDT Thu May 15 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A high pressure ridge will
weaken and gradually shift E of the waters tonight. A weak warm 
front or low pressure trough will slowly lift NE across the 
region tonight while dissipating. The next warm front will 
extend E over the area Fri, then drift N across the waters Fri 
night. Yet another warm front will lift N and NE over the area 
Sat into Sat night. An associated low pressure area will move 
offshore Sat night into Sun while pulling a cold front across the
region, then pass E of the area Sun night. Another low will move
SE over the waters Mon, then pass E of the area Mon night and 
Tue as a series of secondary cold fronts or low pressure troughs 
move SE over the waters. A weak ridge will build E over the 
region Tue night. 

$$

ANZ800-170230-
Gulf of Maine to the Hague Line-
1016 PM EDT Thu May 15 2025

.TONIGHT...S winds 5 to 10 kt, becoming SW. Seas 3 to 5 ft.
Slight chance of showers and tstms. Areas of fog. Vsby 1 NM or
less. 
.FRI...Variable winds less than 10 kt, becoming S. Seas 3 to
5 ft. Areas of fog with vsby 1 nm or less. 
.FRI NIGHT...S to SE winds less than 10 kt. Seas 3 to 4 ft.
Areas of fog. Chance of showers. Vsby 1 NM or less. 
.SAT...S to SE winds 5 to 15 kt, becoming SE 10 to 20 kt. Seas
3 to 4 ft. Areas of fog. Showers likely. Isolated tstms. Vsby
1 NM or less.
.SAT NIGHT...S to SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 6 ft. 
.MON...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.MON NIGHT...N winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 6 ft. 
.TUE...N to NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft. 

$$

ANZ805-170230-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1016 PM EDT Thu May 15 2025

.TONIGHT...S to SW winds 5 to 10 kt. Seas 4 to 7 ft. Chance of
showers and tstms. Areas of fog. Vsby 1 NM or less. 
.FRI...S to SW winds less than 10 kt. Seas 3 to 5 ft. Areas of
fog with vsby 1 nm or less. 
.FRI NIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft.
Areas of fog. Chance of showers and tstms. Vsby 1 NM or less. 
.SAT...SE winds 10 to 15 kt, becoming S to SE 15 to 20 kt. Seas
3 to 4 ft. Areas of fog. Chance of showers. Slight chance of
tstms. Vsby 1 NM or less. 
.SAT NIGHT...S to SW winds 10 to 20 kt, becoming SW 10 to 15 kt.
Seas 3 to 5 ft. 
.SUN...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SUN NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft. 
.MON...W winds 15 to 20 kt, becoming NW. Seas 4 to 8 ft. 
.MON NIGHT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft. 
.TUE...N to NW winds 10 to 15 kt, becoming N 10 to 20 kt. Seas
4 to 5 ft. 
.TUE NIGHT...N to NE winds 10 to 20 kt. Seas 4 to 6 ft. 

$$

ANZ900-170230-
Georges Bank between 68W and the Hague Line-
1016 PM EDT Thu May 15 2025

.TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt. Seas
5 to 7 ft. Chance of showers and tstms with vsby 1 nm or less. 
.FRI...Variable winds less than 10 kt. Seas 4 to 6 ft. Areas of
fog with vsby 1 nm or less. 
.FRI NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft.
Areas of fog. Chance of showers and tstms. Vsby 1 NM or less. 
.SAT...S to SE winds 5 to 10 kt, becoming SE 10 to 15 kt. Seas
3 to 5 ft. Areas of fog. Chance of showers. Vsby 1 NM or less. 
.SAT NIGHT...S winds 10 to 20 kt, becoming SW 10 to 15 kt. Seas
4 to 5 ft. 
.SUN...SW winds 10 to 20 kt, becoming W 15 to 20 kt. Seas 4 to
6 ft. 
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...W winds 10 to 20 kt. Seas 5 to 8 ft. 
.MON NIGHT...NW winds 15 to 20 kt. Seas 5 to 8 ft. 
.TUE...N to NW winds 10 to 20 kt, becoming N 10 to 15 kt. Seas
5 to 6 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 8 ft. 

$$

ANZ810-170230-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1016 PM EDT Thu May 15 2025

.TONIGHT...S winds 5 to 10 kt, becoming W to SW. Seas 4 to 6 ft.
Chance of showers and tstms with vsby 1 nm or less. 
.FRI...W to SW winds less than 10 kt. Seas 3 to 5 ft. Areas of
fog with vsby 1 nm or less. 
.FRI NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.SAT...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
4 ft. Chance of showers and tstms. Vsby 1 NM or less. 
.SAT NIGHT...SW winds 10 to 20 kt, becoming W. Seas 4 to 5 ft. 
.SUN...W winds 15 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...W winds 15 to 25 kt. Seas 5 to 7 ft. 
.MON...W winds 15 to 25 kt. Seas 4 to 8 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 4 to 7 ft. 
.TUE...NW winds 10 to 15 kt, becoming N. Seas 3 to 5 ft. 
.TUE NIGHT...N winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas
3 to 5 ft. 

$$

ANZ815-170230-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1016 PM EDT Thu May 15 2025

.TONIGHT...S to SW winds 5 to 10 kt, becoming W to SW. Seas 3 to
5 ft. Chance of showers and tstms with vsby 1 nm or less. 
.FRI...W to SW winds less than 10 kt, becoming S. Seas 3 to
5 ft. Areas of fog. Scattered showers and tstms. Vsby 1 NM or
less. 
.FRI NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.SAT...S winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less. 
.SAT NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. 
.SUN...W winds 15 to 20 kt. Seas 3 to 6 ft. 
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. 
.MON...NW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas 4 to
7 ft. 
.MON NIGHT...NW winds 15 to 20 kt. Seas becoming 3 to 5 ft. 
.TUE...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. 

$$

.Forecaster Mills. Ocean Prediction Center.