New England Continental Shelf

FZNT21 KWBC 210836
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
336 AM EST Sat Dec 21 2024

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.

ANZ898-212000-
336 AM EST Sat Dec 21 2024

.SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure centered about
100 nm S of Cape Sable Island will continue moving NE today, and
will clear well NE of the area into the Canadian Maritimes by
tonight. A series of low pressure troughs or secondary cold 
fronts will move SE across the waters later today into Sun. 
Strong high pressure will build SE to the coast later Sun and Sun
night, settle offshore Mon, then shift NE of the area Mon night
into Tue. Low pressure will approach the New England coast Tue,
then move slowly E across the waters Tue night through Wed 
night.

$$

ANZ800-212000-
Gulf of Maine to the Hague Line-
336 AM EST Sat Dec 21 2024

.TODAY...N to NW winds 20 to 30 kt. Seas 7 to 12 ft. Snow with
vsby 1 nm or less. 
.TONIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. Chance of snow.
Light freezing spray. 
.SUN...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. Light freezing
spray. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. 
.MON...N winds 5 to 15 kt, becoming W to SW 5 to 10 kt. Seas
3 to 5 ft. 
.MON NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt.
Seas 3 to 5 ft. 
.TUE...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. 
.WED...NE winds 10 to 20 kt. Seas 6 to 10 ft. 
.WED NIGHT...NE winds 10 to 20 kt, becoming N. Seas 6 to 11 ft. 

$$

ANZ805-212000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
336 AM EST Sat Dec 21 2024

.TODAY...N winds 25 to 30 kt, becoming NW 15 to 25 kt. Seas 7 to
13 ft. Rain and snow. 
.TONIGHT...NW winds 20 to 25 kt. Seas 7 to 10 ft. Chance of
snow. 
.SUN...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. Chance of
snow. 
.SUN NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 4 to 8 ft. 
.MON...N winds 5 to 10 kt, becoming variable. Seas 3 to 6 ft. 
.MON NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt.
Seas 3 to 4 ft. 
.TUE...SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...N to NW winds 5 to 15 kt, becoming N 10 to 20 kt.
Seas 3 to 6 ft. 
.WED...N to NE winds 15 to 20 kt. Seas 6 to 10 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. 

$$

ANZ900-212000-
Georges Bank between 68W and the Hague Line-
336 AM EST Sat Dec 21 2024

.TODAY...N winds 25 to 30 kt, becoming NW 20 to 30 kt. Seas 9 to
13 ft. Rain early. Chance of snow. 
.TONIGHT...NW winds 15 to 25 kt. Seas 8 to 10 ft. Chance of
snow. 
.SUN...NW winds 15 to 25 kt. Seas 7 to 9 ft. Chance of snow. 
.SUN NIGHT...N winds 15 to 20 kt. Seas 5 to 8 ft. 
.MON...N winds 5 to 15 kt, becoming N to NW. Seas 3 to 6 ft. 
.MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...Variable winds less than 5 kt, becoming N to NW
10 to 20 kt. Seas 4 to 7 ft. 
.WED...N to NE winds 15 to 25 kt. Seas 7 to 12 ft. 
.WED NIGHT...N winds 20 to 25 kt. Seas 9 to 13 ft. 

$$

ANZ810-212000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
336 AM EST Sat Dec 21 2024

.TODAY...N winds 20 to 30 kt, becoming NW 15 to 25 kt. Seas 7 to
12 ft. Chance of snow. 
.TONIGHT...NW winds 20 to 25 kt. Seas 6 to 10 ft. Scattered
showers. 
.SUN...NW winds 15 to 25 kt. Seas 5 to 9 ft. 
.SUN NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 7 ft. 
.MON...N winds less than 10 kt, becoming variable. Seas 3 to
5 ft. 
.MON NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 3 to 4 ft. 
.TUE...SW winds 10 to 15 kt, becoming W. Seas 3 to 5 ft. 
.TUE NIGHT...N to NW winds 10 to 15 kt. Seas 4 to 5 ft. 
.WED...N winds 10 to 20 kt. Seas 4 to 8 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 5 to 9 ft. 

$$

ANZ815-212000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
336 AM EST Sat Dec 21 2024

.TODAY...N to NW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of
snow early. Scattered showers. 
.TONIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft. 
.SUN...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN NIGHT...N winds 10 to 20 kt, diminishing to 5 to 10 kt.
Seas 3 to 6 ft. 
.MON...Variable winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 3 to 5 ft. 
.TUE...SW winds 10 to 15 kt, becoming W. Seas 3 to 5 ft. 
.TUE NIGHT...NW winds 10 to 15 kt, becoming N. Seas 3 to 5 ft. 
.WED...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 6 ft. 

$$

.Forecaster Collins. Ocean Prediction Center.