Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 151217
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
717 AM EST Wed Nov 15 2017

COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO
25 NM

ANZ200-160100-
717 AM EST Wed Nov 15 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build across the waters today. A strong cold front
will move across the waters Thursday afternoon with rapidly
developing low pressure on the front over southeast Massachusetts.
High pres builds across the waters Friday with winds approaching
gale force. Another cold front will cross the waters late Saturday
into Sunday morning.

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.

$$

ANZ250-160100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
717 AM EST Wed Nov 15 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH THIS
EVENING...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...NE winds 5 to 10 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft. Showers likely. Vsby 1 NM or less.
.THU NIGHT...W winds 20 to 25 kt, becoming NW 25 to 30 kt after
midnight. Seas 5 to 8 ft. Showers likely with a chance of tstms.
Vsby 1 to 3 NM.
.FRI...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 4 to 6 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.SAT NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Showers.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers.
.SUN NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ251-160100-
Massachusetts Bay and Ipswich Bay-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds around 5 kt, becoming S after midnight. Seas
3 to 4 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers. Vsby 1 NM or less.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 4 to 6 ft. A chance of showers
and tstms. Vsby 1 to 3 NM.
.FRI...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft.
.FRI 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 2 to 4 ft.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Showers.
.SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. A chance of showers.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-160100-
Cape Cod Bay-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 25 to 30 kt after
midnight. Seas 3 to 5 ft. A chance of showers and tstms. Vsby
1 to 3 NM.
.FRI...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 4 to 6 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers.
.SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ254-160100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
717 AM EST Wed Nov 15 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH THIS
EVENING...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt this afternoon. Seas 4 to 6 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft.
.THU...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to
7 ft. Showers likely. Vsby 1 NM or less.
.THU NIGHT...W winds 20 to 25 kt, becoming NW 25 to 30 kt after
midnight. Seas 6 to 9 ft. A chance of showers. Vsby 1 to 3 NM.
.FRI...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 5 to 8 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SAT NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Showers likely.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft, except 9 to 12 ft S and E of Nantucket. A chance of
showers.
.SUN NIGHT...W winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ255-160100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
717 AM EST Wed Nov 15 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH THIS
EVENING...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt this afternoon. Seas 3 to 5 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...SE winds 10 to 15 kt with gusts up to 25 kt, becoming S
15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 4 to
7 ft. Showers likely. Vsby 1 NM or less.
.THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. Showers likely.
.FRI...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.FRI NIGHT...NW winds 20 to 25 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.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft. Showers likely.
.SUN...W winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft. A chance of showers.
.SUN NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ256-160100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt. Gusts up to 20 kt this morning.
Seas 2 to 4 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.THU...SE winds 15 to 20 kt, becoming SW in the afternoon. Gusts
up to 25 kt. Seas 4 to 7 ft. Showers. Vsby 1 NM or less.
.THU NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft. A chance of showers.
.FRI...NW winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 5 to 8 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 3 to 5 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 9 ft. Showers likely.
.SUN...W winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
11 ft. A chance of showers.
.SUN 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.

$$

ANZ232-160100-
Nantucket Sound-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt. Gusts up to 20 kt, increasing to
30 kt in the afternoon. Seas 2 to 4 ft. Showers. Vsby 1 NM or
less.
.THU NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
2 to 4 ft. Showers likely.
.FRI...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.FRI 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 2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Showers likely.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...W 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.

$$

ANZ233-160100-
Vineyard Sound-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...NE winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers. Vsby 1 NM or less.
.THU NIGHT...W winds 15 to 20 kt, becoming NW 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Showers likely.
.FRI...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to
4 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Showers likely.
.SUN...W winds around 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...W winds around 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.

$$

ANZ234-160100-
Buzzards Bay-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...NE winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...E winds around 5 kt, becoming SE after midnight. Seas
1 foot or less. A chance of showers.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. Showers likely.
.FRI...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.FRI 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.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Showers likely.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ235-160100-
Rhode Island Sound-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...SE winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 NM
or less.
.THU NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft. A chance of showers.
.FRI...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
3 ft. A chance of showers.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft. Showers likely.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of showers.
.SUN NIGHT...W 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.

$$

ANZ237-160100-
Block Island Sound-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...SE winds 10 to 15 kt, becoming SW in the afternoon. Gusts
up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 NM or less.
.THU NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft. A chance of showers.
.FRI...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt,
becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.SAT NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft. Showers.
.SUN...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of showers.
.SUN 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.

$$

ANZ230-160100-
Boston Harbor-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...NE winds 5 to 10 kt. Waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance.
.TONIGHT...S winds around 5 kt. Waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance.
.THU...SE winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
4 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.THU NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 30 kt. Waves around 2 ft, except 3 to 5 ft
at the outer harbor entrance. A chance of showers and tstms. Vsby
1 to 3 NM.
.FRI...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt,
becoming W 5 to 10 kt after midnight. Waves around 2 ft.
.SAT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.SAT NIGHT...S winds around 10 kt with gusts up to 20 kt. Waves
1 foot or less. Showers.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-160100-
Narragansett Bay-
717 AM EST Wed Nov 15 2017

...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.THU...SE winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Waves 2 to 4 ft. Showers with a
chance of tstms. Vsby 1 NM or less.
.THU NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 30 kt. Waves 2 to 3 ft. A chance of
showers.
.FRI...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Waves 2 to 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Waves 1 foot or less.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Showers.
.SUN...W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
4 ft. A chance of showers.
.SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.

Winds and waves higher in and near tstms.

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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