Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 210858
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
358 AM EST Tue Nov 21 2017

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

ANZ200-212115-
358 AM EST Tue Nov 21 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will move off the mid-Atlantic coast today. A cold
front pushes across the waters by Wednesday. High pres builds over
the waters Thu and Fri. Unsettled weather returns for the
weekend.

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.

$$

ANZ250-212115-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt. Gusts up to 30 kt, increasing to
40 kt this afternoon. Seas 3 to 5 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 40 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
3 to 5 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...SW 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 20 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.

$$

ANZ251-212115-
Massachusetts Bay and Ipswich Bay-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to
3 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt, becoming NW 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.WED 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 3 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds 5 to 10 kt. Seas 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.

$$

ANZ231-212115-
Cape Cod Bay-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 35 kt, decreasing to
25 kt after midnight. Seas 2 to 4 ft. A chance of rain.
.WED...SW winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.WED NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds 5 to 10 kt. Seas 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.

$$

ANZ254-212115-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 30 kt, increasing
to 15 to 20 kt with gusts up to 40 kt this afternoon. Seas 3 to
5 ft.
.TONIGHT...SW winds 15 to 20 kt, becoming S 10 to 15 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Patchy fog. Vsby
1 to 3 NM.
.WED...SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 4 to
6 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...SW 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 20 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.

$$

ANZ255-212115-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft.
.TONIGHT...SW winds 15 to 20 kt, becoming S 10 to 15 kt after
midnight. Gusts up to 35 kt. Seas 4 to 7 ft. Patchy fog.
.WED...SW winds 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 4 to 6 ft.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 4 to
6 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.FRI...W winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.SAT NIGHT...W winds around 10 kt with gusts up to 20 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.

$$

ANZ256-212115-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 35 kt. Seas 5 to 8 ft.
.TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A chance of rain.
Vsby 1 to 3 NM.
.WED...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 4 to 6 ft.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 4 to
6 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
6 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ232-212115-
Nantucket Sound-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to
4 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 2 to 4 ft. Patchy fog. A chance of rain.
.WED...SW winds 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...N 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.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds around 10 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.

$$

ANZ233-212115-
Vineyard Sound-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft. A chance of rain.
.WED...W winds around 10 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.WED NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 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.

$$

ANZ234-212115-
Buzzards Bay-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 3 to 5 ft. Rain.
.WED...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SAT NIGHT...W winds 5 to 10 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.

$$

ANZ235-212115-
Rhode Island Sound-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 35 kt. Seas 4 to 7 ft.
.TONIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 4 to 7 ft. Rain. Vsby 1 to
3 NM.
.WED...W winds 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.THU...N winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 3 to 5 ft.
.THU NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 3 to 5 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...SW 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 20 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.

$$

ANZ237-212115-
Block Island Sound-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
EVENING...

.TODAY...SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft.
.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 35 kt. Seas 4 to 6 ft. Rain. Vsby 1 to
3 NM.
.WED...W winds 5 to 10 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.WED NIGHT...N 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 3 to 5 ft.
.THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to
5 ft.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...SW 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 20 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.

$$

ANZ230-212115-
Boston Harbor-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
AFTERNOON...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 35 kt. Waves around 2 ft.
.TONIGHT...SW 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.
Waves around 2 ft. Rain likely. Vsby 1 to 3 NM.
.WED...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up
to 25 kt in the afternoon. Waves around 2 ft. Rain. Vsby 1 to
3 NM.
.WED NIGHT...NW winds 15 to 20 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Waves around 2 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Waves
1 foot or less.
.THU NIGHT...W winds around 5 kt with gusts up to 20 kt. Waves
1 foot or less.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or
less.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.

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.

$$

ANZ236-212115-
Narragansett Bay-
358 AM EST Tue Nov 21 2017

...GALE WARNING IN EFFECT FROM NOON EST TODAY THROUGH THIS
AFTERNOON...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 35 kt. Waves 2 to 4 ft.
.TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 35 kt. Waves 2 to 4 ft. Rain. Vsby 1 to
3 NM.
.WED...W winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up
to 25 kt in the afternoon. Waves 2 to 3 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.WED NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.THU...NW winds 5 to 10 kt, becoming W in the afternoon. Waves
2 to 4 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft.
.FRI...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SAT NIGHT...W winds 5 to 10 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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