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Offshore Forecast (OFF)

Issued by National Weather Service (NWS)

                            
000
FZNT21 KWBC 202030
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
330 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.

ANZ898-210800-
330 PM EST Sat Jan 20 2018

.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. 

$$

ANZ800-210800-
Gulf of Maine to the Hague Line-
330 PM EST Sat Jan 20 2018

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

.TONIGHT...W winds 20 to 30 kt, diminishing to 15 to 20 kt. Seas
7 to 12 ft, subsiding to 4 to 7 ft. 
.SUN...W to NW winds 10 to 20 kt. Seas 3 to 5 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. 
.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. 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 5 to 8 ft. 

$$

ANZ805-210800-
Georges Bank between Cape Cod and 68W north of 1000 fm-
330 PM EST Sat Jan 20 2018

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

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

$$

ANZ900-210800-
Georges Bank between 68W and the Hague Line-
330 PM EST Sat Jan 20 2018

...GALE WARNING...

.TONIGHT...W winds 25 to 35 kt, becoming 25 to 30 kt early,
then, diminishing to NW 15 to 20 kt. Seas 9 to 15 ft, subsiding 
to 6 to 9 ft.
.SUN...NW winds 10 to 15 kt, diminishing to less than 10 kt.
Seas subsiding to 4 to 6 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...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...W winds 25 to 30 kt. Seas 11 to 14 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 6 to 10 ft. 
.THU NIGHT...NW winds 20 to 25 kt. Seas 7 to 9 ft. 

$$

ANZ810-210800-
South of New England between the Great South Channel and Montauk
Point to 1000 fm-
330 PM EST Sat Jan 20 2018

...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, subsiding to 4 to 7 ft. 
.SUN...NW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas
3 to 5 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...Variable 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...NW winds 15 to 25 kt. Seas 5 to 9 ft. 
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. 

$$

ANZ815-210800-
South of Long Island between Montauk Point and Sandy Hook to
1000 fm-
330 PM EST Sat Jan 20 2018

...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, subsiding to 3 to 6 ft. 
.SUN...NW winds 5 to 15 kt, becoming W. Seas becoming 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. 
.MON NIGHT...S winds 5 to 15 kt, increasing to 15 to 20 kt. Seas
1 to 3 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...NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.THU NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. 

$$

.Forecaster Clark. Ocean Prediction Center.