Offshore Forecast
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000
FZNT33 KWBC 202045
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
345 PM EST Sat Jan 20 2018

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.

.SYNOPSIS FOR NEW ENGLAND WATERS...A developing cold front will
move SE across the waters early tonight, then pass S of the area
later tonight into Sun night while weakening. Weak high pressure
will develop over the area later Sun into Mon before shifting E
of the waters late Mon. A warm front will lift NE into the area
Mon night, and pass N of the waters Tue as low pressure tracks NE
over New England. A cold front associated with the strengthening
low will cross the waters Tue night as the low moves from Maine
NE into New Brunswick. A low pressure trough or secondary cold
front will cross the waters Wed into Wed night. High pressure
will build E toward the coast Thu and Thu night.

Gulf of Maine to the Hague Line

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...W winds 20 to 30 kt. Seas 7 to 12 ft, subsiding to
4 to 7 ft.
.SUN...W to NW winds 10 to 20 kt. Seas 3 to 6 ft.
.SUN NIGHT...Variable winds 5 to 15 kt, becoming S to SE. Seas
2 to 4 ft.
.MON...E winds 5 to 15 kt. Seas 2 to 4 ft. Chance of rain.
.MON NIGHT...E winds 10 to 20 kt, becoming SE 15 to 25 kt. Seas
4 to 7 ft.
.TUE...S to SE winds 20 to 30 kt. Seas 6 to 10 ft.
.TUE NIGHT...S winds 30 to 40 kt, becoming W to SW 25 to 30 kt.
Seas 9 to 15 ft.
.WED...W winds 20 to 30 kt. Seas 7 to 13 ft.
.WED NIGHT...NW winds 15 to 25 kt. Seas 7 to 12 ft.
.THU...W to NW winds 10 to 20 kt. Seas 4 to 8 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft.

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

...GALE WARNING...

.TONIGHT...W winds 25 to 35 kt, diminishing to 20 to 30 kt
early, then, becoming NW 10 to 20 kt. Seas 9 to 15 ft, subsiding
to 5 to 9 ft.
.SUN...W to NW winds 5 to 15 kt. Seas 5 to 8 ft.
.SUN NIGHT...Variable winds less than 5 kt, becoming W to SW.
Seas 3 to 5 ft. Areas of fog with VSBY 1 nm or less.
.MON...Variable winds less than 10 kt. Seas 2 to 4 ft.
.MON NIGHT...S to SE winds 15 to 25 kt. Seas 3 to 6 ft.
.TUE...S winds 20 to 30 kt. Seas 3 to 6 ft, building to 6 to
10 ft.
.TUE NIGHT...S to SW winds 30 to 40 kt. Seas 9 to 16 ft.
.WED...W winds 20 to 30 kt. Seas 8 to 14 ft.
.WED NIGHT...W winds 20 to 30 kt, diminishing to 15 to 20 kt.
Seas 9 to 15 ft.
.THU...W to NW winds 15 to 25 kt. Seas 6 to 11 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 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

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...W winds 20 to 30 kt, becoming W to NW 10 to 20 kt.
Seas 6 to 10 ft.
.SUN...NW winds 5 to 15 kt, becoming W. Seas 3 to 6 ft.
.SUN NIGHT...W winds 5 to 15 kt. Seas 2 to 4 ft. Areas of fog
with VSBY 1 nm or less.
.MON...S to SW winds 5 to 15 kt. Seas 1 to 3 ft. Areas of fog
with VSBY 1 nm or less.
.MON NIGHT...S to SE winds 5 to 15 kt, becoming S 15 to 20 kt.
Seas 2 to 4 ft.
.TUE...S winds 20 to 30 kt. Seas 3 to 6 ft, building to 6 to
10 ft.
.TUE NIGHT...S to SW winds 30 to 40 kt, becoming W 20 to 30 kt.
Seas 9 to 15 ft.
.WED...W winds 15 to 25 kt. Seas 7 to 12 ft.
.WED NIGHT...W to NW winds 15 to 25 kt. Seas 6 to 11 ft.
.THU...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.

.Forecaster Clark. Ocean Prediction Center.



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