Coastal Waters Forecast
Issued by NWS Boston, MA

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765
FZUS51 KBOX 191455
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
955 AM EST Sun Nov 19 2017

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

ANZ200-200315-
955 AM EST Sun Nov 19 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
Strong low pres will continue to intensify as it tracks across
northern New England this afternoon. Its attending cold front
sweeps across the waters late this morning into early afternoon. S
to SW gales ahead of the front and W to NW gales behind the front
this afternoon into Monday. High pres then builds across the
waters Tue followed by another cold front moving across New
England Wed. High pressure then builds over the waters Thu.

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.

$$

ANZ250-200315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SW winds 20 to 25 kt with gusts up to 30 kt,
becoming W 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft.
Showers early, then a slight chance of showers. Vsby 1 to 3 NM
early.
.TONIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after
midnight. Seas 6 to 9 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 3 to 5 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.THU NIGHT...W winds 10 to 15 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.

$$

ANZ251-200315-
Massachusetts Bay and Ipswich Bay-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt,
becoming W 25 to 30 kt with gusts up to 40 kt. Seas 3 to 5 ft.
Showers early.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to
4 ft.
.MON NIGHT...W winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of showers.
.WED...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU 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.

$$

ANZ231-200315-
Cape Cod Bay-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt,
becoming W 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft.
Showers early, then a slight chance of showers. Vsby 1 to 3 NM
early.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 3 to 5 ft.
.MON...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.
.MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.THU 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.

$$

ANZ254-200315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SW winds 20 to 25 kt. Gusts up to 35 kt,
increasing to 45 kt. Seas 7 to 10 ft, except 10 to 15 ft S and E
of Nantucket. Showers early, then a chance of showers. Vsby 1 to
3 NM early.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft, except 9 to 14 ft S and E of Nantucket.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 4 to 7 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...NW winds 5 to 10 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.

$$

ANZ255-200315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 25 to 30 kt. Gusts up to 35 kt,
increasing to 45 kt. Seas 11 to 16 ft. Showers early, then a
slight chance of showers. Vsby 1 to 3 NM early.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 9 to 12 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 5 to 8 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...NW winds 5 to 10 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.

$$

ANZ256-200315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 45 kt.
Seas 11 to 16 ft. Showers early with vsby 1 to 3 NM.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
13 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 5 to 8 ft.
.TUE...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 6 to 9 ft.
.TUE NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 6 to 9 ft. A chance of
showers.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...NW winds around 10 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.

$$

ANZ232-200315-
Nantucket Sound-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 20 to 25 kt. Gusts up to 35 kt,
increasing to 45 kt. Seas 4 to 6 ft. Showers early, then a slight
chance of showers. Vsby 1 to 3 NM early.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...NW 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.

$$

ANZ233-200315-
Vineyard Sound-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 40 kt.
Seas 5 to 8 ft. Showers early with vsby 1 to 3 NM.
.TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
7 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to around 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of showers.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...NW 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.

$$

ANZ234-200315-
Buzzards Bay-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 40 kt.
Seas 4 to 7 ft. Showers early with vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.MON NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of
showers.
.WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...NW 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.

$$

ANZ235-200315-
Rhode Island Sound-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 40 kt.
Seas 9 to 14 ft. Showers early with vsby 1 to 3 NM.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 7 to 10 ft.
.MON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.MON NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 4 to 6 ft.
.TUE...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 6 ft.
.TUE NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 4 to 7 ft. A chance of
showers.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.THU NIGHT...NW winds 5 to 10 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.

$$

ANZ237-200315-
Block Island Sound-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 40 kt.
Seas 8 to 11 ft. Showers likely early with vsby 1 to 3 NM.
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 6 to 9 ft.
.MON...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.MON NIGHT...W winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 3 to 5 ft.
.TUE...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 6 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. A chance of showers.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.THU NIGHT...NW winds 5 to 10 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.

$$

ANZ230-200315-
Boston Harbor-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt,
becoming W 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft.
Showers early.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Waves around 2 ft.
.MON...W winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 1 foot or less. A
chance of showers.
.WED...W winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 foot or less.
.THU...NW winds 5 to 10 kt. Waves 1 foot or less.
.THU 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.

$$

ANZ236-200315-
Narragansett Bay-
955 AM EST Sun Nov 19 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 20 to 25 kt, becoming W 15 to 20 kt.
Gusts up to 40 kt. Waves 5 to 8 ft. Showers early with vsby 1 to
3 NM.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at
the bay entrance.
.MON...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Waves 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. A chance of
showers.
.WED...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.THU...N winds 5 to 10 kt. Waves around 2 ft.
.THU NIGHT...NW 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.

$$

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