637
FZNT21 KWBC 140237
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1037 PM EDT Wed Aug 13 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.

ANZ898-150245-
1037 PM EDT Wed Aug 13 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will approach the
region tonight, move E across the waters Thu and Thu night, then
weaken Fri. High pressure will build SE across the region Fri
through Sat night, then shift SE of the area Sun. Another cold
front will slowly move across the waters Sun night into Mon
night.

$$

ANZ800-150245-
Gulf of Maine to the Hague Line-
1037 PM EDT Wed Aug 13 2025

.TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of
showers and tstms with vsby 1 nm or less.
.THU...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Chance of
showers and tstms with vsby 1 nm or less.
.THU NIGHT...Variable winds less than 10 kt, becoming NE 10 to
20 kt. Seas 3 to 4 ft. Chance of showers and tstms, then chance
of rain. Vsby 1 NM or less.
.FRI...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
3 to 5 ft.
.FRI NIGHT...E to NE winds less than 10 kt, increasing to 5 to
15 kt. Seas 3 to 4 ft.
.SAT...E to SE winds 5 to 10 kt, becoming S. Seas 3 to 4 ft.
.SAT NIGHT...S winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 4 ft.
.SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...SW winds 15 to 20 kt, becoming N. Seas 3 to 4 ft.
.MON...N winds 15 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to
5 ft.
.MON NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft.

$$

ANZ805-150245-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1037 PM EDT Wed Aug 13 2025

.TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of
showers and tstms with vsby 1 nm or less.
.THU...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
4 ft. Chance of showers and tstms with vsby 1 nm or less.
.THU NIGHT...S winds less than 10 kt, becoming NE. Seas 3 to
4 ft. Chance of showers and tstms, then chance of rain. Vsby
1 NM or less.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to NE winds 5 to 15 kt, becoming S to SW. Seas
3 to 5 ft.
.SUN...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas
3 to 4 ft.
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft.
.MON...N winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to
5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ900-150245-
Georges Bank between 68W and the Hague Line-
1037 PM EDT Wed Aug 13 2025

.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Areas of fog.
Chance of tstms. Vsby 1 NM or less.
.THU...S winds 5 to 15 kt. Seas 3 to 4 ft. Rain, then chance of
showers and tstms. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt, becoming NE. Seas 3 to 4 ft.
Chance of showers and tstms, then chance of rain. Vsby 1 NM or
less.
.FRI...NE winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with
vsby 1 nm or less.
.FRI NIGHT...NE winds 5 to 15 kt. Seas 4 to 5 ft.
.SAT...NE winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to NE winds 5 to 15 kt, becoming variable. Seas
3 to 5 ft.
.SUN...Variable winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 3 to 4 ft.
.MON...N to NW winds 10 to 20 kt, becoming N 10 to 15 kt. Seas
4 to 5 ft.
.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ810-150245-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1037 PM EDT Wed Aug 13 2025

.TONIGHT...S to SW winds 10 to 15 kt, becoming S 5 to 10 kt.
Seas 3 to 4 ft.
.THU...S winds less than 10 kt. Seas 3 to 4 ft. Scattered
showers and tstms.
.THU NIGHT...Variable winds less than 5 kt, becoming NE 5 to
15 kt. Seas 3 to 4 ft. Chance of showers and tstms. Chance of
rain. Vsby 1 NM or less.
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 5 to 15 kt, becoming S to SE 5 to 10 kt.
Seas 3 to 4 ft.
.SUN...Variable winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...N to NW winds 10 to 20 kt, becoming NE 15 to 20 kt. Seas
3 to 4 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

$$

ANZ815-150245-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1037 PM EDT Wed Aug 13 2025

.TONIGHT...S to SW winds 10 to 15 kt, becoming SW 5 to 10 kt.
Seas 3 to 4 ft. Isolated showers and tstms with vsby 1 nm or
less.
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft. Rain,
then scattered showers and tstms with vsby 1 nm or less.
.THU NIGHT...Variable winds less than 5 kt, becoming N to NE.
Seas 3 to 4 ft. Chance of showers and tstms. Chance of rain.
Vsby 1 NM or less.
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to SE winds 5 to 10 kt, becoming variable. Seas
3 to 4 ft.
.SUN...Variable winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft.
.MON...N winds 10 to 15 kt, becoming NE. Seas 3 to 4 ft.
.MON NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.

$$

.Forecaster Kells. Ocean Prediction Center.