Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 161347
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
947 AM EDT Tue Oct 16 2018

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

ANZ200-170215-
947 AM EDT Tue Oct 16 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will cross the waters late Wed into Wed evening
followed by another period of gale force wind gusts. A ridge of
high pres will then build south of the waters Thu night into Fri.
This will be followed the the passage of another cold front
sometime late Sat or Sat night.

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.

$$

ANZ250-170215-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...W winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas 6 to 7 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W
20 to 25 kt with gusts up to 35 kt in the afternoon. Seas around
4 ft, building to 6 ft in the afternoon.
.WED NIGHT...W winds 20 to 25 kt, becoming NW 25 to 30 kt after
midnight. Seas around 8 ft.
.THU...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 8 to
9 ft.
.THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 6 to 7 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
4 ft.
.FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 5 to 6 ft. A chance of
showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
6 ft. A chance of showers in the morning.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 6 ft.

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.

$$

ANZ251-170215-
Massachusetts Bay and Ipswich Bay-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to
4 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
around 4 ft.
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
4 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas around 4 ft.
.FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft. A chance of showers after midnight.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
3 ft. A chance of showers in the morning.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft.

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.

$$

ANZ231-170215-
Cape Cod Bay-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.TONIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt, increasing to
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around
3 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
around 5 ft.
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
5 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 4 to 5 ft.
.FRI...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 4 ft. A chance of showers after midnight.
.SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft. A chance of
showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft.

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.

$$

ANZ254-170215-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...NW winds 20 to 25 kt, becoming W 15 to 20 kt.
Gusts up to 30 kt. Seas around 8 ft, subsiding to 6 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.WED...W winds 15 to 20 kt with gusts up to 25 kt, increasing to
20 to 25 kt with gusts up to 35 kt in the afternoon. Seas around
5 ft, building to 7 ft in the afternoon.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
8 to 9 ft.
.THU...NW winds 25 to 30 kt with gusts up to 35 kt. Seas around
10 ft.
.THU NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 7 to 8 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
5 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 6 ft. A chance of showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
7 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
6 to 7 ft. A chance of showers in the evening.

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.

$$

ANZ255-170215-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...NW winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas around 8 ft, subsiding to 6 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 5 ft.
.WED...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt, increasing to 35 kt in the
afternoon. Seas around 6 ft, building to 9 ft in the afternoon.
.WED NIGHT...NW winds 20 to 25 kt. Gusts up to 40 kt, decreasing
to 30 kt after midnight. Seas 9 to 10 ft.
.THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
9 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 7 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
4 ft.
.FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. A chance of
showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to
9 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
8 to 9 ft. A chance of showers in the evening.

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.

$$

ANZ256-170215-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...NW winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas 6 to 7 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 5 ft.
.WED...W winds 15 to 20 kt with gusts up to 25 kt, increasing to
20 to 25 kt with gusts up to 35 kt in the afternoon. Seas around
6 ft, building to 8 ft in the afternoon.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Seas
around 9 ft.
.THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
8 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 6 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 6 ft, building to 8 ft after midnight. A chance of
showers.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 9 ft. A chance of
showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
8 to 9 ft.

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.

$$

ANZ232-170215-
Nantucket Sound-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas 3 to 4 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft.
.WED...W winds 15 to 20 kt. Gusts up to 25 kt, increasing to
35 kt in the afternoon. Seas around 4 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
around 5 ft.
.THU...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft.
.THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft.
.FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas around 4 ft. A chance of
showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
4 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
around 4 ft.

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.

$$

ANZ233-170215-
Vineyard Sound-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas around 3 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 5 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas around 3 ft.
.FRI...W winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Seas around 2 ft, building to 4 ft in the afternoon.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 5 ft. A chance of showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
5 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 5 ft.

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.

$$

ANZ234-170215-
Buzzards Bay-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt.
Seas around 3 ft.
.TONIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.WED...W winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 5 ft, subsiding to 3 ft after midnight.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft, building to 4 ft in
the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
around 4 ft. A chance of showers after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 3 to 4 ft.

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.

$$

ANZ235-170215-
Rhode Island Sound-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas 5 to 6 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 4 ft.
.WED...W winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 7 ft.
.THU...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
5 ft.
.THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.
.FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft.
.FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas around 6 ft. A chance of
showers after midnight.
.SAT...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 7 ft. A chance of
showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 7 ft.

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.

$$

ANZ237-170215-
Block Island Sound-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 25 kt.
Seas 4 to 5 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
5 to 6 ft.
.THU...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas around 4 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas around 3 ft.
.FRI...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 5 to 6 ft. A chance of
showers.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
7 ft. A chance of showers.
.SAT NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 5 to 6 ft.

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.

$$

ANZ230-170215-
Boston Harbor-
947 AM EDT Tue Oct 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...W winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Waves around 2 ft.
.TONIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W
10 to 15 kt with gusts up to 30 kt in the afternoon. Waves around
2 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Waves around 2 ft.
.FRI...SW winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers after midnight.
.SAT...SW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers in the morning.
.SAT NIGHT...W winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.

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.

$$

ANZ236-170215-
Narragansett Bay-
947 AM EDT Tue Oct 16 2018

.THIS AFTERNOON...W winds 10 to 15 kt. Gusts up to 25 kt early.
Waves around 3 ft.
.TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves
around 3 ft.
.WED...W winds 10 to 15 kt. Gusts up to 30 kt. Waves 3 to 4 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves
around 3 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
3 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 4 ft. A chance of showers after midnight.
.SAT...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves around 5 ft. A chance of
showers in the morning.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
3 to 4 ft.

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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