Coastal Waters Forecast
Issued by NWS Boston, MA

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136
FZUS51 KBOX 201716
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 PM EDT Thu Jul 20 2017

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

ANZ200-210600-
116 PM EDT Thu Jul 20 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
A weak cold front will cross the waters late tonight into Fri
before washing out. High pressure will move overhead on Saturday.
Approaching warm front on Sunday with a coastal low pressure system
moving through the waters on Monday and Tuesday.

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.

$$

ANZ250-210600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Scattered
showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Scattered showers
and tstms. Some tstms may produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds around 5 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
N after midnight. Seas 2 to 3 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Showers
likely.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ251-210600-
Massachusetts Bay and Ipswich Bay-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft.
Scattered showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Scattered
showers and tstms. Some tstms may produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds around 5 kt, becoming SW in the afternoon. Seas
1 to 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft. A chance of showers.
.SUN...E winds around 5 kt. Seas around 2 ft. A chance of
showers.
.SUN NIGHT...E winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.

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.

$$

ANZ231-210600-
Cape Cod Bay-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...S winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft. Scattered showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas around 2 ft. Scattered showers and tstms. Some tstms may
produce heavy rainfall. Vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.SAT...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas around 2 ft. A chance of showers.
.SUN...E winds around 5 kt. Seas around 2 ft. A chance of
showers.
.SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NE winds around 5 kt. Seas 1 foot or less. A chance of
showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.

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.

$$

ANZ254-210600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less.
.FRI...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft.
.SAT...NW winds around 5 kt, becoming SW with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN...SE winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
.SUN NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Showers
likely.
.MON...N winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.

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.

$$

ANZ255-210600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce heavy
rainfall. Vsby 1 NM or less.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 4 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 2 to 4 ft.
.SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN...S winds around 5 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.MON...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers. Vsby 1 to 3 NM.

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.

$$

ANZ256-210600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of showers and tstms. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 4 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
.SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
around 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers.
.SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.MON...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
Vsby 1 to 3 NM.

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.

$$

ANZ232-210600-
Nantucket Sound-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Patchy fog. Scattered showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 2 to 3 ft.
.SAT...NW winds around 5 kt, becoming SW with gusts up to 20 kt
in the afternoon. Seas 1 to 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SUN...SE winds around 5 kt. Seas 1 foot or less. Showers likely.
.SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers. Vsby 1 to 3 NM.

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.

$$

ANZ233-210600-
Vineyard Sound-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers and tstms. Some
tstms may produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.SAT...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 1 to 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SUN...SE winds 5 to 10 kt. Seas 1 foot or less. Showers likely.
.SUN NIGHT...SE winds around 5 kt. Seas around 2 ft. Showers
likely.
.MON...W winds around 5 kt. Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers. Vsby 1 to 3 NM.

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.

$$

ANZ234-210600-
Buzzards Bay-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas around 2 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.SAT...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas around 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Seas 1 foot or less. Showers likely.
.SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NW winds around 5 kt. Seas around 2 ft. A chance of
showers.
.MON NIGHT...E winds around 5 kt. Seas around 2 ft. A chance of
showers. Vsby 1 to 3 NM.

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.

$$

ANZ235-210600-
Rhode Island Sound-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. A
chance of showers and tstms. Some tstms may produce heavy
rainfall.
.FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers
and tstms. Some tstms may produce heavy rainfall.
.FRI NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.SAT...W winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN...E winds around 5 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.MON...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
Vsby 1 to 3 NM.

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.

$$

ANZ237-210600-
Block Island Sound-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 5 to 10 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 4 ft. A chance of showers and tstms. Some
tstms may produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SUN...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.SUN NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Showers
likely.
.MON...W winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
Vsby 1 to 3 NM.

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.

$$

ANZ230-210600-
Boston Harbor-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SE winds 5 to 10 kt. Seas 1 foot or less.
Scattered showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Scattered
showers and tstms. Some tstms may produce heavy rainfall.
.FRI...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.SAT...W winds around 5 kt. Seas 1 foot or less.
.SAT NIGHT...SW winds around 5 kt, becoming N around 5 kt after
midnight. Seas 1 foot or less. A chance of showers.
.SUN...E winds around 5 kt. Seas 1 foot or less. A chance of
showers.
.SUN NIGHT...E winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NE winds around 5 kt. Seas 1 foot or less. A chance of
showers.
.MON NIGHT...NE winds around 5 kt. Seas 1 foot or less. A chance
of showers.

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.

$$

ANZ236-210600-
Narragansett Bay-
116 PM EDT Thu Jul 20 2017

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Scattered showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas around 2 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 1 to 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 to 2 ft. A chance of showers.
.SUN...E winds around 5 kt. Seas 1 foot or less. Showers likely.
.SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. Showers
likely.
.MON...NW winds around 5 kt. Seas 1 foot or less. A chance of
showers.
.MON NIGHT...E winds around 5 kt. Seas 1 foot or less. A chance
of showers. Vsby 1 to 3 NM.

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.

$$

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