Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 151716
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 PM EDT Tue May 15 2018

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

ANZ200-160600-
116 PM EDT Tue May 15 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will bring showers and possible thunderstorms to the
waters later this afternoon into Wednesday. Drier weather moves
back over the waters Thursday. More showers or thunderstorms are
possible on Friday into Saturday.

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.

$$

ANZ250-160600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...S winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of showers with a slight chance of
tstms. Some tstms may produce gusty winds and heavy rainfall.
Vsby 1 NM or less.
.TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Areas of fog. Showers likely with a chance of tstms. Some
tstms may produce gusty winds and heavy rainfall. Vsby 1 NM or
less.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...W winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
2 to 3 ft.
.FRI...NE winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. 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.

$$

ANZ251-160600-
Massachusetts Bay and Ipswich Bay-
116 PM EDT Tue May 15 2018

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers with a slight chance of
tstms. Some tstms may produce gusty winds and heavy rainfall.
Vsby 1 to 3 NM.
.TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A
chance of showers and tstms. Some tstms may produce gusty winds
and heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft.
.THU...W winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.THU NIGHT...SE winds around 5 kt, becoming E after midnight.
Seas around 2 ft.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.SAT...E winds 5 to 10 kt. Seas around 2 ft. Showers.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. 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.

$$

ANZ231-160600-
Cape Cod Bay-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of showers with a slight chance of
tstms. Some tstms may produce gusty winds and heavy rainfall.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming
N 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog.
Showers likely with a chance of tstms. Some tstms may produce
gusty winds and heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers. Vsby 1 NM or less.
.THU...N winds around 5 kt, becoming E in the afternoon. Seas
around 2 ft.
.THU NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Showers
likely.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. 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.

$$

ANZ254-160600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Areas of dense fog. A slight chance of showers
with isolated tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt, becoming N
5 to 10 kt after midnight. Seas 3 to 5 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU...N winds around 5 kt. Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely.
.SAT...SE winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. 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.

$$

ANZ255-160600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Seas 3 to 5 ft. Areas of fog. A
chance of showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Showers likely. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming E in the afternoon. Seas
2 to 4 ft. A chance of showers.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Showers likely.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Showers likely.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers.

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.

$$

ANZ256-160600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Areas of fog. Vsby 1 NM or less.
.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Seas 4 to 5 ft. Areas of fog. A
chance of showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Showers likely. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming SE in the afternoon. Seas
around 3 ft. A chance of showers.
.THU NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Showers.
.SAT...SE winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to
6 ft. Showers.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers.

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.

$$

ANZ232-160600-
Nantucket Sound-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers.
.SAT...SE winds around 10 kt. Seas 2 to 3 ft. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers.

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.

$$

ANZ233-160600-
Vineyard Sound-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Areas of fog. A slight chance of showers with
isolated tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog. A chance
of showers and tstms. Some tstms may produce gusty winds and
heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...SE winds around 5 kt, becoming E after midnight.
Seas around 2 ft.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Showers.
.SAT...SE winds around 10 kt. Seas around 2 ft. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. 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.

$$

ANZ234-160600-
Buzzards Bay-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds around 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Areas of fog. A slight chance of showers with
isolated tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NE around 5 kt after midnight. Seas 2 to 3 ft. Areas of fog. A
chance of tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.WED NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
around 2 ft. A chance of showers. Vsby 1 NM or less.
.THU...N winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...S winds around 5 kt, becoming E after midnight. Seas
around 2 ft.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.FRI NIGHT...E winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft. Showers.
.SAT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or
less. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. 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.

$$

ANZ235-160600-
Rhode Island Sound-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Areas of fog. A slight chance of showers with
isolated tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming
NE 5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce gusty winds
and heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. A chance of showers.
.THU NIGHT...S winds around 5 kt, becoming E after midnight. Seas
3 to 4 ft.
.FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers.
.SAT...SE winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. 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.

$$

ANZ237-160600-
Block Island Sound-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Areas of fog. A slight chance of showers with
isolated tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NE around 5 kt after midnight. Seas 2 to 4 ft. Areas of fog. A
chance of showers and tstms. Some tstms may produce gusty winds
and heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU...N winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. A chance of showers.
.THU NIGHT...S winds around 5 kt, becoming E after midnight. Seas
2 to 4 ft.
.FRI...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Showers.
.SAT...SE winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. 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.

$$

ANZ230-160600-
Boston Harbor-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...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 gusty winds and heavy rainfall.
.TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers and tstms. Some tstms may produce gusty winds and heavy
rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Waves around 2 ft.
.WED NIGHT...NE winds around 5 kt. Waves around 2 ft.
.THU...NW winds around 5 kt, becoming NE in the afternoon. Waves
1 foot or less.
.THU NIGHT...SE winds around 5 kt, becoming NE after midnight.
Waves around 2 ft.
.FRI...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI NIGHT...E winds around 5 kt. Waves 1 foot or less. Showers.
.SAT...E winds around 5 kt. Waves 1 foot or less. Showers.
.SAT NIGHT...S winds around 5 kt. Waves 1 foot or less. Showers.

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.

$$

ANZ236-160600-
Narragansett Bay-
116 PM EDT Tue May 15 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers with a slight chance of
tstms. Some tstms may produce gusty winds and heavy rainfall.
Vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming NE
after midnight. Waves 2 to 3 ft. Areas of fog. Showers likely
with a chance of tstms. Some tstms may produce gusty winds and
heavy rainfall. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers. Vsby 1 NM or less.
.THU...N winds around 5 kt, becoming SE around 5 kt in the
afternoon. Waves around 2 ft.
.THU NIGHT...S winds around 5 kt, becoming E after midnight.
Waves 2 to 3 ft.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.FRI NIGHT...E winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Showers.
.SAT...SE winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Showers.
.SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Showers.

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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