Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 160017
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
717 PM EST Fri Dec 15 2017

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

ANZ200-161300-
717 PM EST Fri Dec 15 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves offshore today. Low pres will develop off the mid
Atlc coast this afternoon and track well SE of Nantucket tonight.
Another low will track to the north Sat dragging a cold front
across the waters. High pressure builds over the waters on Sunday
into Monday.

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.

$$

ANZ250-161300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 4 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 4 to 6 ft.
.SUN...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
light snow.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of drizzle
and light snow.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
drizzle.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of drizzle.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
.WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 25 to 30 kt with gusts up to 35 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.

$$

ANZ251-161300-
Massachusetts Bay and Ipswich Bay-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 3 ft. Snow this evening
with vsby 1 NM or less.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. A chance of light snow.
.MON...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 foot or less. A chance of drizzle and light
snow.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of drizzle.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ231-161300-
Cape Cod Bay-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.TONIGHT...SW winds 5 to 10 kt, becoming W 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 2 to 3 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less. A chance of light snow.
.MON...SW winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. A chance of drizzle and light snow.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance
of drizzle.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of drizzle.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ254-161300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...W winds around 5 kt, becoming NW 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Snow. Vsby 1 NM
or less.
.SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 5 to 8 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of drizzle and light snow.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of drizzle
and light snow.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
drizzle.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of drizzle.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NW winds 25 to 30 kt with gusts up to 35 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.

$$

ANZ255-161300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...NE winds around 5 kt, becoming NW 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft. Snow. Vsby 1 NM
or less.
.SAT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 5 to 8 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 5 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
drizzle and light snow.
.MON...S winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of drizzle.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.WED 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.

$$

ANZ256-161300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...N winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 3 to 5 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 4 to 7 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming SW after midnight.
Seas around 2 ft. A chance of drizzle and light snow.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
drizzle.
.MON NIGHT...W winds around 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of drizzle.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 7 ft. A chance of rain.
.WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.WED NIGHT...NW winds 20 to 25 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.

$$

ANZ232-161300-
Nantucket Sound-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.TONIGHT...NE winds around 5 kt, becoming NW 10 to 15 kt with
gusts up to 25 kt after midnight. Seas around 2 ft. Snow. Vsby
1 NM or less.
.SAT...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.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt,
diminishing to 5 to 10 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...NW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 1 foot or less. A chance of light snow.
.MON...S winds 5 to 10 kt. Seas 1 foot or less. A chance of
drizzle.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of drizzle.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...NW winds 20 to 25 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.

$$

ANZ233-161300-
Vineyard Sound-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.TONIGHT...N winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts
up to 25 kt after midnight. Seas around 2 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...NW winds around 5 kt, becoming NE after midnight.
Seas 1 foot or less. A chance of light snow.
.MON...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less. A chance of drizzle and light snow.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of drizzle.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ234-161300-
Buzzards Bay-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.TONIGHT...N winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts
up to 20 kt after midnight. Seas around 2 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...N winds around 5 kt. Seas 1 foot or less. A chance
of light snow.
.MON...SE winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. A chance of drizzle and light snow.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of drizzle.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ235-161300-
Rhode Island Sound-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...N winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Snow. Vsby 1 NM or
less.
.SAT...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 7 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 4 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming NE after midnight.
Seas around 2 ft. A chance of drizzle and light snow.
.MON...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. A chance of drizzle.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of drizzle.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ237-161300-
Block Island Sound-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST SATURDAY THROUGH
LATE SATURDAY NIGHT...

.TONIGHT...N winds 5 to 10 kt, becoming W 10 to 15 kt with gusts
up to 25 kt after midnight. Seas 2 to 4 ft. Snow, mainly this
evening. Vsby 1 NM or less, increasing to 1 to 3 NM after
midnight.
.SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt, becoming S around 5 kt after
midnight. Seas 1 foot or less. A chance of drizzle.
.MON...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 2 ft. A chance of drizzle.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
.WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ230-161300-
Boston Harbor-
717 PM EST Fri Dec 15 2017

.TONIGHT...SW winds around 5 kt, becoming W after midnight. Waves
1 foot or less. A chance of snow this evening.
.SAT...W winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less. A chance
of light snow.
.MON...SW winds around 5 kt. Waves 1 foot or less. A chance of
light snow and drizzle.
.MON NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
drizzle.
.TUE NIGHT...W winds around 10 kt with gusts up to 20 kt. Waves
1 foot or less. A chance of rain.
.WED...W winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.WED NIGHT...W 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.

$$

ANZ236-161300-
Narragansett Bay-
717 PM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...N winds 5 to 10 kt, becoming W with gusts up to 20 kt
after midnight. Waves around 2 ft. Snow, mainly this evening with
vsby 1 NM or less.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.SAT NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NW winds around 5 kt, becoming N after midnight.
Waves 1 foot or less. A chance of light snow and drizzle.
.MON...E winds around 5 kt, becoming SW around 5 kt in the
afternoon. Waves 1 foot or less. A chance of drizzle and light
snow.
.MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.TUE...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of drizzle.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. A chance of rain.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.WED 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.

$$

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