Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 140617
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 AM EST Fri Dec 14 2018

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

ANZ200-141900-
116 AM EST Fri Dec 14 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will shift E of the waters on Fri. A storm system will
approach the waters from the SW Fri night and Sat, then moving
slowly across the waters Sat night and Sun. High pres builds back
towards the waters from the W on Tue into Wed.

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.

$$

ANZ250-141900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming NW
5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
7 ft. A chance of rain.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to
8 ft. A chance of showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft. A chance of showers.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ251-141900-
Massachusetts Bay and Ipswich Bay-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...S winds around 5 kt. Seas around 2 ft.
.FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
.SAT...W winds 5 to 10 kt with gusts up to 25 kt, becoming NW in
the afternoon. Seas 2 to 3 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft. A chance of showers. Vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ231-141900-
Cape Cod Bay-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds around 5 kt. Seas 1 foot or less.
.FRI...S winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
1 foot or less.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming N in
the afternoon. Seas around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Showers likely.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of showers.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ254-141900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming NW in
the afternoon. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of rain.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 9 ft. Showers likely.
.MON...N winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
9 ft. A chance of showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 8 ft. A chance of showers.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
8 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
6 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.

$$

ANZ255-141900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.SAT...S winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 4 ft. Rain likely.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
9 ft. Rain likely.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft. Showers likely.
.MON...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. A chance of showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 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.

$$

ANZ256-141900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds around 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas around 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. A chance of
rain.
.SAT...S winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Rain likely.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft. A chance of rain.
.SUN...E winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft. Rain likely.
.SUN NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 7 to 10 ft. Showers
likely.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. A chance of showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ232-141900-
Nantucket Sound-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.
.SAT...SW winds 5 to 10 kt, becoming N in the afternoon. Seas
around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...NE winds 10 to 15 kt, becoming E 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers likely.
.MON...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ233-141900-
Vineyard Sound-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain.
.SAT...SW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Showers likely.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.TUE...NW winds around 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 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.

$$

ANZ234-141900-
Buzzards Bay-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...SE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain.
.SAT...SW winds around 5 kt, becoming NE in the afternoon. Seas
around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Showers likely.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 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.

$$

ANZ235-141900-
Rhode Island Sound-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.SAT...SW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of
rain.
.SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. Rain likely.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft. Showers likely.
.MON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ237-141900-
Block Island Sound-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.SAT...S winds around 5 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Rain likely.
.SAT NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of
rain.
.SUN...NE winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. Rain likely.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft. Showers likely.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ230-141900-
Boston Harbor-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...S winds around 5 kt. Waves around 2 ft.
.FRI...S winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.SAT...W winds 5 to 10 kt with gusts up to 20 kt, becoming N in
the afternoon. Waves around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.SUN...NE winds around 10 kt with gusts up to 20 kt. Waves 2 to
4 ft. A chance of rain.
.SUN NIGHT...NE winds around 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 4 ft. A chance of showers.
.MON...N winds 5 to 10 kt. Waves around 2 ft, except 3 to 5 ft at
the outer harbor entrance. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance.
.TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft.
.TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 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.

$$

ANZ236-141900-
Narragansett Bay-
116 AM EST Fri Dec 14 2018

.REST OF TONIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.FRI...SE winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 2 to 3 ft. A chance of
rain.
.SAT...SW winds around 5 kt, becoming NE in the afternoon. Waves
2 to 3 ft. A chance of rain.
.SAT NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft, except 4 to 7 ft at the bay entrance. A chance of rain.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft, except 4 to 7 ft at the bay entrance. Showers likely.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 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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