Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 221117
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 AM EDT Mon Jul 22 2019

Coastal waters from the Merrimack River MA to Watch Hill RI out to
25 NM

ANZ200-230000-
716 AM EDT Mon Jul 22 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
A stationary front will remain near or just south of the southern
waters today. Areas of low pres will move along this boundary  this
afternoon and Tue, bringing showers and scattered  thunderstorms,
some with gusty winds and tropical downpours. Dry  and more
seasonable conditions return Wed through Fri as high pres builds
across the waters.

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.

$$

ANZ250-230000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EDT Mon Jul 22 2019

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

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

$$

ANZ251-230000-
Massachusetts Bay and Ipswich Bay-
716 AM EDT Mon Jul 22 2019

.TODAY...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers with isolated tstms this afternoon. Some tstms may
produce gusty winds and heavy rainfall this afternoon with vsby
1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers
with a chance of tstms. Some tstms may produce gusty winds and
heavy rainfall. Vsby 1 NM or less.
.TUE...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.TUE NIGHT...W winds around 5 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming E around 5 kt in the
afternoon. Seas 1 foot or less.
.WED NIGHT...S winds around 5 kt, becoming W after midnight. Seas
1 foot or less.
.THU...NE winds around 5 kt. Seas 1 foot or less.
.THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.FRI...S winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S 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.

$$

ANZ231-230000-
Cape Cod Bay-
716 AM EDT Mon Jul 22 2019

.TODAY...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers with isolated tstms this afternoon. Some tstms may
produce gusty winds and heavy rainfall this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming W with gusts up to 20 kt
after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby
1 to 3 NM.
.TUE...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.
.TUE NIGHT...N winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt. Seas 1 foot or less.
.WED NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas 1 foot or less.
.THU...NE winds around 5 kt. Seas 1 foot or less.
.THU NIGHT...SW winds around 5 kt. Seas 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.
.FRI...S winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...S 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.

$$

ANZ254-230000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EDT Mon Jul 22 2019

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

.TODAY...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this
morning. A chance of showers with isolated tstms this afternoon.
Some tstms may produce gusty winds and heavy rainfall this
afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this
afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.TUE...NW winds 5 to 10 kt with gusts up to 20 kt, becoming NE in
the afternoon. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 NM or
less.
.TUE NIGHT...N winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.WED...NE winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt, becoming NW around 5 kt after
midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM.
.THU...N winds around 5 kt. Seas 2 to 3 ft.
.THU NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...S winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S 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.

$$

ANZ255-230000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EDT Mon Jul 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
TUESDAY AFTERNOON...

.TODAY...NW winds around 5 kt, becoming E this afternoon. Seas
around 3 ft. A slight chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...S winds 10 to 15 kt, becoming SW after midnight. Gusts
up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers.
Vsby 1 NM or less.
.TUE...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
4 to 6 ft. Patchy fog. Showers. Vsby 1 NM or less.
.TUE NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
Vsby 1 to 3 NM.
.WED NIGHT...E winds around 5 kt, becoming NW after midnight.
Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM.
.THU...N winds around 5 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...S winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog.
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.

$$

ANZ256-230000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EDT Mon Jul 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
TUESDAY AFTERNOON...

.TODAY...NW winds around 5 kt, becoming E this afternoon. Seas
around 3 ft. A chance of showers with isolated tstms, mainly this
morning. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts
up to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers with a chance of
tstms. Some tstms may produce gusty winds and heavy rainfall.
Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt. Seas 4 to 7 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.TUE NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 5 ft.
.WED NIGHT...S winds around 5 kt, becoming W after midnight. Seas
3 to 4 ft.
.THU...E winds around 5 kt. Seas around 3 ft.
.THU NIGHT...SW winds around 5 kt. Seas 2 to 3 ft.
.FRI...S winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S 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.

$$

ANZ232-230000-
Nantucket Sound-
716 AM EDT Mon Jul 22 2019

.TODAY...N winds around 5 kt, becoming E this afternoon. Seas
around 2 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Showers
likely. Vsby 1 NM or less.
.TUE...N winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.
.TUE NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt. Seas 2 to 3 ft. A chance of showers.
Vsby 1 to 3 NM.
.WED NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas 2 to 3 ft.
.THU...NE winds around 5 kt. Seas around 2 ft.
.THU NIGHT...SW winds around 5 kt. Seas 1 foot or less.
.FRI...S winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...S 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.

$$

ANZ233-230000-
Vineyard Sound-
716 AM EDT Mon Jul 22 2019

.TODAY...N winds around 5 kt, becoming E this afternoon. Seas
2 to 3 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce gusty winds and heavy rainfall. Vsby 1 NM
or less.
.TUE...N winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.TUE NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft.
.WED NIGHT...S winds around 5 kt, becoming W after midnight. Seas
2 to 3 ft.
.THU...E winds around 5 kt. Seas around 2 ft.
.THU NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog.
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.

$$

ANZ234-230000-
Buzzards Bay-
716 AM EDT Mon Jul 22 2019

.TODAY...N winds around 5 kt, becoming E this afternoon. Seas
around 2 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds and heavy rainfall. Vsby 1 NM or less.
.TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.TUE NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.WED NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft.
.THU...S winds around 5 kt. Seas around 2 ft.
.THU NIGHT...SW winds around 5 kt. Seas 1 foot or less.
.FRI...SW winds around 5 kt. Seas 1 foot or less.
.FRI NIGHT...S winds around 5 kt. Seas 1 foot or less. Patchy
fog. 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.

$$

ANZ235-230000-
Rhode Island Sound-
716 AM EDT Mon Jul 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
2 to 3 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds and heavy rainfall. Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.TUE NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming SE in the afternoon. Seas
2 to 4 ft.
.WED NIGHT...S winds around 5 kt, becoming W after midnight. Seas
2 to 4 ft.
.THU...W winds around 5 kt. Seas around 2 ft.
.THU NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog.
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.

$$

ANZ237-230000-
Block Island Sound-
716 AM EDT Mon Jul 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
2 to 3 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
2 to 4 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds and heavy rainfall. Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers.
Vsby 1 to 3 NM.
.WED...NE winds around 5 kt, becoming SE in the afternoon. Seas
2 to 4 ft.
.WED NIGHT...S winds around 5 kt, becoming W after midnight. Seas
2 to 4 ft.
.THU...W winds around 5 kt. Seas around 2 ft.
.THU NIGHT...SW winds around 5 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog.
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.

$$

ANZ230-230000-
Boston Harbor-
716 AM EDT Mon Jul 22 2019

.TODAY...NE winds 5 to 10 kt. Waves around 2 ft. Showers likely
with a slight chance of tstms this afternoon. Some tstms may
produce gusty winds and heavy rainfall this afternoon.
.TONIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds and heavy rainfall. Vsby 1 to 3 NM.
.TUE...NE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Showers
likely. Vsby 1 to 3 NM.
.TUE NIGHT...N winds around 5 kt, becoming W after midnight.
Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming E around 5 kt in the
afternoon. Waves 1 foot or less.
.WED NIGHT...S winds around 5 kt, becoming W after midnight.
Waves 1 foot or less.
.THU...NE winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...SW winds around 5 kt. Waves 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.
.FRI...S winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...S 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.

$$

ANZ236-230000-
Narragansett Bay-
716 AM EDT Mon Jul 22 2019

.TODAY...N winds around 5 kt, becoming SE this afternoon. Waves
around 2 ft. A chance of showers with isolated tstms this
afternoon. Some tstms may produce gusty winds and heavy rainfall
this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming W after midnight. Waves
2 to 3 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce gusty winds and heavy rainfall. Vsby 1 to
3 NM.
.TUE...N winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.
.TUE NIGHT...N winds around 5 kt. Waves 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.WED...N winds around 5 kt, becoming SE in the afternoon. Waves
around 2 ft.
.WED NIGHT...S winds around 5 kt, becoming W around 5 kt after
midnight. Waves around 2 ft.
.THU...W winds around 5 kt. Waves around 2 ft.
.THU NIGHT...SW winds around 5 kt. Waves around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...SW winds around 5 kt. Waves 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.

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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