Offshore Forecast
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000
FZNT21 KWBC 210253
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
953 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.

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.

ANZ898-211500-
953 PM EST Sat Jan 20 2018

.SYNOPSIS FOR NEW ENGLAND WATERS...A developing cold front over
the southern waters, or extending E from near Long Island, will
move 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.

$$

ANZ800-211500-
Gulf of Maine to the Hague Line-
953 PM EST Sat Jan 20 2018

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...W winds 15 to 25 kt. Seas 6 to 9 ft, except W portion
3 to 6 ft.
.SUN...W to NW winds 10 to 20 kt. Seas 3 to 6 ft throughout.
.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.
.MON NIGHT...E winds 10 to 20 kt, becoming SE 15 to 25 kt. Seas
building to 4 to 7 ft.
.TUE...S to SE winds 20 to 30 kt, except N portion increasing
to 25 to 35 kt. Seas building to 6 to 10 ft.
.TUE NIGHT...S winds 30 to 40 kt, becoming W to SW 25 to 30 kt.
Seas building to 9 to 15 ft.
.WED...W winds 20 to 30 kt. Seas subsiding to 7 to 12 ft.
.WED NIGHT...NW winds 15 to 25 kt. Seas becoming 6 to 10 ft.
.THU...W to NW winds 10 to 20 kt. Seas subsiding to 4 to 6 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft.

$$

ANZ805-211500-
Georges Bank between Cape Cod and 68W north of 1000 fm-
953 PM EST Sat Jan 20 2018

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

.TONIGHT...W winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas
6 to 10 ft, subsiding to 4 to 8 ft.
.SUN...W to NW winds 5 to 15 kt. Seas 4 to 7 ft, becoming 3 to
5 ft.
.SUN NIGHT...Variable winds 5 to 10 kt, becoming W to SW. Seas
2 to 4 ft. Areas of fog with VSBY 1 nm or less.
.MON...Variable winds 5 to 10 kt. Seas 1 to 3 ft. Areas of fog
with VSBY 1 nm or less early.
.MON NIGHT...S to SE winds increasing to 15 to 25 kt. Seas
building to 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 winds increasing to 30 to 40 kt, then becoming W
20 to 30 kt. Seas building to 9 to 15 ft.
.WED...W winds 20 to 30 kt. Seas 7 to 13 ft.
.WED NIGHT...W to NW winds 15 to 25 kt. Seas 7 to 12 ft.
.THU...W winds 15 to 25 kt, becoming NW 15 to 20 kt. Seas
subsiding to 5 to 9 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.

$$

ANZ900-211500-
Georges Bank between 68W and the Hague Line-
953 PM EST Sat Jan 20 2018

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

.TONIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt. Seas
6 to 12 ft, highest SE.
.SUN...NW winds 10 to 15 kt, diminishing to less than 10 kt.
Seas subsiding to 4 to 7 ft.
.SUN NIGHT...Variable winds 5 to 10 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...E to SE winds 10 to 20 kt, becoming S to SE. Seas
3 to 6 ft.
.TUE...S winds increasing to 20 to 30 kt. Seas building to 5 to
9 ft.
.TUE NIGHT...S to SW winds increasing to 30 to 40 kt. Seas
building to 9 to 16 ft.
.WED...Winds becoming W 25 to 30 kt. Seas 11 to 15 ft.
.WED NIGHT...W winds 20 to 30 kt, diminishing to 15 to 20 kt.
Seas 10 to 15 ft, subsiding to 8 to 11 ft.
.THU...W to NW winds 15 to 25 kt. Seas becoming 6 to 10 ft.
.THU NIGHT...NW winds 20 to 25 kt. Seas 7 to 9 ft.

$$

ANZ810-211500-
South of New England between the Great South Channel and Montauk
Point to 1000 fm-
953 PM EST Sat Jan 20 2018

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

.TONIGHT...W to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN...NW winds diminishing to 5 to 15 kt, then becoming W to NW
5 to 10 kt. Seas subsiding to 3 to 6 ft.
.SUN NIGHT...W winds 5 to 15 kt, becoming 5 to 10 kt. Seas 2 to
4 ft. Areas of fog with VSBY 1 nm or less.
.MON...S to SW winds less than 10 kt, becoming S to SE. Seas
2 to 3 ft. Areas of fog with VSBY 1 nm or less early.
.MON NIGHT...SE winds 5 to 15 kt, becoming S 15 to 20 kt. Seas
2 to 4 ft.
.TUE...S winds increasing to 20 to 30 kt. Seas building to 5 to
9 ft.
.TUE NIGHT...S winds increasing to 30 to 40 kt, then becoming W
20 to 30 kt. Seas building to 9 to 15 ft.
.WED...W winds 20 to 25 kt. Seas 8 to 12 ft.
.WED NIGHT...W to NW winds 15 to 25 kt. Seas subsiding to 6 to 9
ft.
.THU and THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft.

$$

ANZ815-211500-
South of Long Island between Montauk Point and Sandy Hook to
1000 fm-
953 PM EST Sat Jan 20 2018

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

.TONIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN...NW winds diminishing to 5 to 15 kt, then becoming W.
Seas 3 to 6 ft, subsiding to 2 to 4 ft.
.SUN NIGHT...W to SW winds 5 to 15 kt. Seas 2 to 3 ft.
.MON...SW winds 5 to 15 kt. Seas 1 to 3 ft. Chance of rain.
.MON NIGHT...S winds 5 to 15 kt, increasing to 15 to 20 kt. Seas
1 to 3 ft, becoming 2 to 4 ft.
.TUE...S winds increasing to 20 to 30 kt. Seas 3 to 6 ft,
building to 6 to 10 ft.
.TUE NIGHT...S to SW winds increasing to 30 to 40 kt, then
becoming W 15 to 25 kt. Seas building to 7 to 13 ft.
.WED...W winds 15 to 25 kt. Seas subsiding to 6 to 10 ft.
.WED NIGHT...NW winds 15 to 20 kt. Seas becoming 4 to 8 ft.
.THU and THU NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft.

$$

.Forecaster Mills. Ocean Prediction Center.



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