Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 181942
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
342 PM EDT Fri Aug 18 2017

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

ANZ200-190815-
342 PM EDT Fri Aug 18 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will approach the waters from the west tonight,
prompting showers and scattered thunderstorms with areas of fog.
The front will push thru the waters Saturday, bringing mainly dry
conditions for the day. High pressure will return with dry
weather during Saturday night through Tuesday. A cold front will
then approach the waters midweek.

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.

$$

ANZ250-190815-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
342 PM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt. Seas 3 to 5 ft. Tstms likely.
Showers. Patchy fog after midnight. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.SAT...S winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ251-190815-
Massachusetts Bay and Ipswich Bay-
342 PM EDT Fri Aug 18 2017

.TONIGHT...S winds 15 to 20 kt. Seas 2 to 4 ft. Showers. Tstms
likely this evening, then a slight chance of tstms after
midnight. Patchy fog after midnight. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.SAT...S winds 10 to 15 kt, becoming SE 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.WED...SW winds 10 to 15 kt. Seas around 2 ft. A chance of
showers.
.WED NIGHT...W winds 5 to 10 kt. Seas around 2 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.

$$

ANZ231-190815-
Cape Cod Bay-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Showers with tstms likely. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.SAT...S winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ254-190815-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
342 PM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Tstms likely. A
chance of showers this evening, then showers after midnight.
Patchy fog after midnight. Some tstms may produce heavy rainfall.
Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt, becoming SW
10 to 15 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Vsby
1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 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.

$$

ANZ255-190815-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
342 PM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers with a slight chance of tstms this
evening, then showers with tstms likely after midnight. Patchy
fog after midnight. Some tstms may produce heavy rainfall. Vsby
1 NM or less after midnight.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt, becoming SW
10 to 15 kt in the afternoon. Seas 4 to 6 ft. Patchy fog. Vsby
1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM.
.SUN...W winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ256-190815-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
342 PM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Showers. Tstms likely. Some tstms may produce gusty winds,
and heavy rainfall this evening. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM after midnight.
.SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...W winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft.
.WED...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 to 6 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.

$$

ANZ232-190815-
Nantucket Sound-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers with a slight chance of tstms this
evening, then showers with tstms likely after midnight. Patchy
fog after midnight. Some tstms may produce heavy rainfall. Vsby
1 to 3 NM.
.SAT...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ233-190815-
Vineyard Sound-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to
4 ft. Showers with tstms likely. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM after midnight.
.SAT...S winds 15 to 20 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.WED...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ234-190815-
Buzzards Bay-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Seas 2 to 4 ft. Showers with tstms likely. Some tstms
may produce heavy rainfall. Vsby 1 to 3 NM after midnight.
.SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Patchy fog.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ235-190815-
Rhode Island Sound-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Showers. Tstms likely. Some tstms may produce gusty winds,
and heavy rainfall this evening. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM after midnight.
.SAT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ237-190815-
Block Island Sound-
342 PM EDT Fri Aug 18 2017

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

.TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers and tstms this evening, then a chance of showers
with a slight chance of tstms after midnight. Some tstms may
produce gusty winds, and heavy rainfall, then some tstms may
produce heavy rainfall after midnight. Vsby 1 to 3 NM.
.SAT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 NM or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...NW winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...W 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.

$$

ANZ230-190815-
Boston Harbor-
342 PM EDT Fri Aug 18 2017

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Showers. Tstms likely this evening, then a slight
chance of tstms after midnight. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.SAT...S winds 5 to 10 kt, becoming SE in the afternoon. Waves
1 foot or less. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.SUN...W winds around 5 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less.
.MON...W winds around 5 kt. Waves 1 foot or less.
.MON NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.WED...SW winds around 10 kt. Waves 1 foot or less. A chance of
showers.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. A chance
of 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.

$$

ANZ236-190815-
Narragansett Bay-
342 PM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...

.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves 2 to 3 ft. Showers with tstms
likely. Some tstms may produce gusty winds, and heavy rainfall,
then some tstms may produce heavy rainfall after midnight. Vsby
1 to 3 NM.
.SAT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.SAT NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.SUN...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less.
.MON...W winds 5 to 10 kt. Waves 1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.WED...SW winds 10 to 15 kt. Waves 2 to 3 ft. A chance of
showers.
.WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
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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