Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 120616
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 AM EST Tue Dec 12 2017

Coastal waters from the Merrimack River MA to Watch Hill RI out to
25 NM

ANZ200-121900-
116 AM EST Tue Dec 12 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure will build across the waters overnight. Meanwhile,
low pressure will approach from the Great Lakes and move across  New
England Tuesday. The low will head toward southern Quebec  Tuesday
night and in its wake westerly gales could blow across the waters
through Wednesday night. Low pressure moving off the  Delmarva
peninsula will scoot south of the waters on Thursday.  Another low
will approach the waters Friday and Friday night, then head toward
Nova Scotia on Saturday.

For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.

$$

ANZ250-121900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT FROM 10 AM EST THIS MORNING THROUGH
THIS EVENING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 30 kt, increasing to
20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 6 to
9 ft. Rain likely. Vsby 1 NM or less.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft.
.WED...W winds 20 to 25 kt with gusts up to 30 kt, increasing to
25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 4 to
7 ft.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft.
.THU...W winds 20 to 25 kt with gusts up to 35 kt, diminishing to
15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to
6 ft.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
9 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ251-121900-
Massachusetts Bay and Ipswich Bay-
116 AM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT FROM 10 AM EST THIS MORNING THROUGH
THIS EVENING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft.
.WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 4 ft.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.THU NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas around 2 ft.
.FRI...NW winds 5 to 10 kt. Seas 1 foot or less. A chance of
snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of snow.
.SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ231-121900-
Cape Cod Bay-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SE winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to
4 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.WED...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft.
.THU NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.FRI...NW winds around 5 kt. Seas 1 foot or less. A chance of
snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ254-121900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT FROM 10 AM EST THIS MORNING THROUGH
THIS EVENING...

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...SE winds 15 to 20 kt. Gusts up to 30 kt, increasing to
40 kt in the afternoon. Seas 5 to 8 ft. Rain likely. Vsby 1 NM or
less.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 7 to 10 ft, except 10 to 14 ft
S and E of Nantucket.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft, except 10 to 15 ft S and E of Nantucket.
.THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.FRI...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of snow.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to
10 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 9 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ255-121900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft. A chance of showers.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 8 to 13 ft. A chance of snow
showers.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
9 to 12 ft.
.THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 9 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 20 kt. Seas 3 to 5 ft.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow and rain.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ256-121900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 7 to 10 ft. A chance of rain
and snow showers.
.WED...W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to
13 ft. A chance of snow showers.
.WED NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt
after midnight. Seas 8 to 11 ft.
.THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 8 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
A chance of snow.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ232-121900-
Nantucket Sound-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of rain. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 4 to 7 ft. A chance of snow showers.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 7 ft.
.THU...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 20 kt. Seas 2 to 3 ft.
.FRI...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ233-121900-
Vineyard Sound-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 4 to 7 ft.
.WED NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 4 to 6 ft.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
.FRI...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ234-121900-
Buzzards Bay-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH LATE TONIGHT...

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.WED...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 4 ft.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft.
.THU NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.FRI...NW winds 5 to 10 kt. Seas around 2 ft. A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of snow.
.SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ235-121900-
Rhode Island Sound-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 5 to 8 ft.
.WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft.
.THU...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 20 kt. Seas 2 to 4 ft.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ237-121900-
Block Island Sound-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft.
.WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 4 to 7 ft.
.WED NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas 4 to 7 ft.
.THU...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to
4 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow.
.FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of snow.
.SAT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ230-121900-
Boston Harbor-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 foot or less.
.TUE...SE winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
3 ft. Rain likely. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft, except 4 to 6 ft at the outer harbor entrance.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Waves around
2 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Waves
around 2 ft.
.THU...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.FRI...NW winds around 5 kt. Waves 1 foot or less. A chance of
snow.
.FRI NIGHT...N winds 5 to 10 kt. Waves around 2 ft. A chance of
snow.
.SAT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ236-121900-
Narragansett Bay-
116 AM EST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE...S winds 10 to 15 kt with gusts up to 30 kt. Waves 3 to
5 ft. A chance of rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
3 to 5 ft.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Waves 3 to
5 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Waves
2 to 3 ft.
.THU...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.FRI...N winds around 5 kt. Waves around 2 ft. A chance of snow.
.FRI NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of snow.
.SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.SAT NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

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