380
FZNT33 KWBC 180845
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
445 AM EDT Sun Aug 18 2024

New England continental shelf and slope waters from 25 nm
offshore to the Hague Line, except to 1000 fm south of New
England.

Conditions given represent the highest within that period.

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.

.SYNOPSIS FOR NEW ENGLAND WATERS...A weakening high pressure
ridge will persist across the waters into tonight as Tropical
Storm Ernesto passes SE and then E of the waters and once again
becomes a hurricane. Long period SE swell from Ernesto will move
into the area today, and continue into Mon night. See the latest
National Hurricane Center advisory on Ernesto for more
information. A cold front will reach the coast Mon, and move
offshore Mon night into Tue, with a weak area of low pressure
developing along the front in the Gulf of Maine. The front will
move E of the waters Tue night as the low lifts NE into the Gulf
of Saint Lawrence. A weak low pressure trough will pass E across
the area late Wed or Wed night, followed by high pressure
building E across the S waters Thu and Thu night.

Gulf of Maine to the Hague Line

.TODAY...SE winds 5 to 10 kt. Seas 4 to 8 ft. Slight chance of
showers.
.TONIGHT...SE winds 5 to 10 kt, becoming variable. Seas 5 to
9 ft. Slight chance of showers.
.MON...S winds less than 10 kt, increasing to 5 to 15 kt. Seas
6 to 9 ft. Chance of showers and slight chance of tstms.
.MON NIGHT...S winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas
5 to 8 ft. Chance of showers and isolated tstms with vsby 1 nm
or less.
.TUE...N to NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 7 ft.
.TUE NIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft.
.WED...N to NW winds 5 to 10 kt, becoming W to NW. Seas 3 to
6 ft.
.WED NIGHT...W winds less than 10 kt, becoming NW. Seas 3 to
4 ft.
.THU...NW winds less than 10 kt, becoming W. Seas 3 to 4 ft.
.THU NIGHT...W winds 5 to 15 kt. Seas 2 to 4 ft.

Georges Bank...from the Northeast Channel to the Great South
Channel including waters east of Cape Cod...to the Hague Line

.TODAY...E to NE winds 5 to 15 kt. Seas 6 to 11 ft. Areas of fog
with vsby 1 nm or less.
.TONIGHT...E to NE winds 5 to 15 kt, becoming variable. Seas
7 to 12 ft. Areas of fog with vsby 1 nm or less.
.MON...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
6 to 11 ft. Chance of showers and tstms with vsby 1 nm or less.
.MON NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft.
Scattered showers and tstms with vsby 1 nm or less.
.TUE...W to SW winds 15 to 25 kt. Seas 5 to 9 ft.
.TUE NIGHT...W to NW winds diminishing to 5 to 15 kt. Seas 4 to
8 ft.
.WED...W to NW winds less than 10 kt. Seas 3 to 6 ft.
.WED NIGHT...W winds less than 10 kt. Seas 3 to 5 ft.
.THU...W winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...W winds 5 to 15 kt. Seas 3 to 4 ft.

South of New England...from the Great South Channel to Hudson
Canyon including the waters south of Marthas Vineyard and
Nantucket Island...out to 1000 fm

.TODAY...E to SE winds 5 to 15 kt. Seas 5 to 9 ft. Chance of
showers and tstms.
.TONIGHT...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt.
Seas 6 to 9 ft. Chance of showers and tstms.
.MON...S winds 10 to 20 kt, becoming SW. Seas 6 to 9 ft.
Scattered showers and chance of tstms.
.MON NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 9 ft.
Scattered showers and tstms.
.TUE...W to SW winds 10 to 20 kt, becoming W to NW. Seas 4 to
8 ft.
.TUE NIGHT...N to NW winds 10 to 20 kt, becoming NW 5 to 15 kt.
Seas 4 to 7 ft.
.WED...W to NW winds 5 to 15 kt. Seas becoming 3 to 5 ft.
.WED NIGHT and THU...W to NW winds 5 to 10 kt. Seas 3 to 4 ft.
.THU NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.

.Forecaster Mills. Ocean Prediction Center.