382
FZNT21 KWBC 171437
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1037 AM EDT Sat May 17 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.

ANZ898-180515-
1037 AM EDT Sat May 17 2025

.SYNOPSIS FOR NEW ENGLAND WATERS...A warm front will lift NE
over the area today into tonight. Low pressure will move offshore
over the Gulf of Maine tonight into Sun while pulling a cold
front across the region. The low will move off to the E of area Sun
night into Mon night. A series of secondary cold fronts or low
pressure troughs will move SE across the area Sun night into Tue.
A high pressure ridge will build E over the region Tue night
into Wed and gradually strengthen, then shift E of the area by
Wed night as a warm front and developing low pressure system
approaches from the SW.


$$

ANZ800-180515-
Gulf of Maine to the Hague Line-
1037 AM EDT Sat May 17 2025

.TODAY...SE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
4 ft. Showers likely and scattered tstms later this afternoon
with vsby 1 nm or less.
.TONIGHT...S to SE winds 10 to 20 kt, becoming S 5 to 15 kt.
Seas 3 to 5 ft. Scattered tstms. Showers likely. Patchy fog.
Vsby 1 NM or less.
.SUN...W to SW winds 10 to 15 kt. Seas 3 to 5 ft. Chance of
showers and tstms with vsby 1 nm or less.
.SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW 10 to
20 kt. Seas 3 to 6 ft. Chance of showers with vsby 1 nm or less.
.MON...NW winds 10 to 20 kt. Seas 3 to 6 ft.
.MON NIGHT...N to NW winds 15 to 20 kt. Seas 3 to 6 ft.
.TUE...N winds 15 to 25 kt, becoming NE 10 to 20 kt. Seas 3 to
6 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft.
.WED...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
6 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft.

$$

ANZ805-180515-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1037 AM EDT Sat May 17 2025

.TODAY...SE winds 10 to 15 kt, becoming S. Seas 3 to 4 ft.
Chance of showers and slight chance of tstms with vsby 1 nm or
less.
.TONIGHT...S winds 10 to 15 kt, becoming SW. Seas 3 to 5 ft.
Scattered showers and chance of tstms with vsby 1 nm or less.
.SUN...W winds 10 to 15 kt, becoming W to SW 10 to 20 kt. Seas
3 to 6 ft. Chance of tstms. Chance of showers. Vsby 1 NM or
less.
.SUN NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft. Chance of
showers with vsby 1 nm or less.
.MON...W to NW winds 15 to 25 kt. Seas 4 to 8 ft.
.MON NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft.
.TUE...N winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 6 ft.
.WED...E to NE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft.

$$

ANZ900-180515-
Georges Bank between 68W and the Hague Line-
1037 AM EDT Sat May 17 2025

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

$$

ANZ810-180515-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1037 AM EDT Sat May 17 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Chance of
showers. Slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt, becoming W. Seas 4 to 5 ft.
Chance of showers and tstms with vsby 1 nm or less.
.SUN...W winds 15 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...W to NW winds 20 to 30 kt. Seas 5 to 7 ft.
.MON...NW winds 15 to 25 kt, becoming W. Seas 4 to 8 ft.
.MON NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...N winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.TUE NIGHT...NE winds 10 to 20 kt, becoming E to NE 10 to 15 kt.
Seas 3 to 5 ft.
.WED...E winds 15 to 20 kt. Seas 4 to 7 ft.
.WED NIGHT...E to SE winds 20 to 30 kt. Seas 7 to 12 ft.

$$

ANZ815-180515-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1037 AM EDT Sat May 17 2025

.TODAY...S winds 10 to 15 kt, becoming SW. Seas 3 to 5 ft.
Scattered showers and tstms with vsby 1 nm or less.
.TONIGHT...SW winds 10 to 15 kt, becoming W 10 to 20 kt. Seas
3 to 5 ft. Chance of showers and tstms with vsby 1 nm or less.
.SUN...W winds 15 to 20 kt. Seas 3 to 6 ft.
.SUN NIGHT...W to NW winds 20 to 30 kt. Seas 4 to 7 ft.
.MON...NW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas 4 to
7 ft.
.MON NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft.
.TUE...N winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft.
.WED...E winds 15 to 25 kt. Seas 4 to 6 ft.
.WED NIGHT...E to SE winds 20 to 30 kt. Seas 7 to 12 ft.

$$

.Forecaster Rowland. Ocean Prediction Center.