Coastal Waters Forecast
Issued by NWS Boston, MA

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640
FZUS51 KBOX 211116
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
716 AM EDT Mon Aug 21 2017

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

ANZ200-220000-
716 AM EDT Mon Aug 21 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres over the region will move offshore Tue, which will allow a
cold front to cross the waters Wed. Large high pres will build E
from the Great Lakes Thu and Fri.

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.

$$

ANZ250-220000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt this
afternoon. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW 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. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...N winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas around 2 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.

$$

ANZ251-220000-
Massachusetts Bay and Ipswich Bay-
716 AM EDT Mon Aug 21 2017

.TODAY...W winds around 5 kt, becoming S this afternoon. Seas
1 foot or less.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.TUE...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms. Some tstms may
produce heavy rainfall.
.WED...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.THU...W winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...W winds around 5 kt. Seas 1 foot or less.

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.

$$

ANZ231-220000-
Cape Cod Bay-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 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. Showers likely with a chance of tstms. Some tstms may
produce heavy rainfall.
.WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas around 2 ft. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.THU...N winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...N winds around 5 kt. Seas 1 foot or less.

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.

$$

ANZ254-220000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW this afternoon. Seas
around 2 ft.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers likely with a chance of tstms. Some tstms may
produce heavy rainfall.
.WED NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 4 ft.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...N winds 5 to 10 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.

$$

ANZ255-220000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with
a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...NE winds 5 to 10 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.

$$

ANZ256-220000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt this
afternoon. Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. Showers likely with
a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft.
.THU...W winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...NE winds 5 to 10 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.

$$

ANZ232-220000-
Nantucket Sound-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft.
.THU...NW winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.

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.

$$

ANZ233-220000-
Vineyard Sound-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft. Patchy fog.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 2 to 4 ft. Showers likely with a chance of tstms. Some tstms
may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft.
.THU...W winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.

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.

$$

ANZ234-220000-
Buzzards Bay-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.THU...W winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...NE winds around 5 kt. Seas 1 foot or less.

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.

$$

ANZ235-220000-
Rhode Island Sound-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft.
.THU...W winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Seas around 2 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.

$$

ANZ237-220000-
Block Island Sound-
716 AM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.WED...SW 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. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft.
.THU...W winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...E winds around 5 kt. Seas around 2 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.

$$

ANZ230-220000-
Boston Harbor-
716 AM EDT Mon Aug 21 2017

.TODAY...SW winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Showers likely with a chance of tstms. Some tstms
may produce heavy rainfall.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...W winds around 5 kt. Waves 1 foot or less.
.THU...W winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...W winds around 5 kt. Waves 1 foot or less.
.FRI...NE winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...W winds around 5 kt. Waves 1 foot or less.

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.

$$

ANZ236-220000-
Narragansett Bay-
716 AM EDT Mon Aug 21 2017

.TODAY...W winds around 5 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Waves around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to around 5 kt after
midnight. Gusts up to 20 kt. Waves around 2 ft.
.TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Showers likely with a chance of tstms. Some tstms may
produce heavy rainfall.
.WED...SW winds 5 to 10 kt. Waves around 2 ft. Showers likely
with a chance of tstms. Some tstms may produce heavy rainfall.
.WED NIGHT...NW winds around 5 kt. Waves 1 foot or less.
.THU...W winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...NW winds around 5 kt. Waves 1 foot or less.
.FRI...NE winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...NE winds around 5 kt. Waves 1 foot or less.

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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