Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 220516
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 AM EDT Fri Jun 22 2018

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

ANZ200-221800-
116 AM EDT Fri Jun 22 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds across the waters through Fri. Low pres and an
associated warm front will approach late Fri night, bringing
showers Sat into Sat night. Showers may linger on Sunday as a  cold
front approaches. Scattered showers could persist into Mon  as an
upper level disturbance moves overhead.

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.

$$

ANZ250-221800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds around 10 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...E 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.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.SUN...W winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. Patchy fog. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds 5 to 10 kt, becoming NW with gusts up to
20 kt after midnight. Seas 2 to 4 ft.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft. A chance of showers.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ251-221800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Vsby 1 to 3 NM.
.SAT NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.SUN...W winds around 5 kt, becoming S around 5 kt in the
afternoon. Seas around 2 ft. Patchy fog. A chance of showers.
Vsby 1 to 3 NM.
.SUN NIGHT...S winds 5 to 10 kt, becoming NW with gusts up to
20 kt after midnight. Seas 2 to 3 ft. A chance of showers.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.TUE...W winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 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.

$$

ANZ231-221800-
Cape Cod Bay-
116 AM EDT Fri Jun 22 2018

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

$$

ANZ254-221800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.FRI NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.
.SAT...E 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.
.SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 NM
or less.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 7 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ255-221800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. Patchy fog. Vsby 1 NM or less.
.FRI NIGHT...E 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.
.SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy fog.
Showers likely. Vsby 1 NM or less.
.SUN...SW winds around 10 kt. Gusts up to 20 kt in the morning.
Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 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.

$$

ANZ256-221800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog. Vsby 1 NM or less.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.SAT NIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy fog.
Showers likely. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas around 5 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
7 ft.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 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.

$$

ANZ232-221800-
Nantucket Sound-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Areas
of dense fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.SAT...E winds 10 to 15 kt, diminishing to 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.
.SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Showers likely. Vsby 1 to 3 NM.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM
or less.
.SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ233-221800-
Vineyard Sound-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to
2 ft. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to
3 NM.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE...W winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ234-221800-
Buzzards Bay-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.FRI NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to
3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.MON...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ235-221800-
Rhode Island Sound-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ237-221800-
Block Island Sound-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers. Vsby 1 to 3 NM.
.SAT...E winds 10 to 15 kt, diminishing to 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 to 3 NM.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM
or less.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft.
.MON...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.TUE...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ230-221800-
Boston Harbor-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 foot or less.
.FRI...E winds 5 to 10 kt. Waves 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less.
.SAT...E winds around 5 kt. Waves around 2 ft. A chance of
showers.
.SAT NIGHT...E winds around 5 kt, becoming N around 5 kt after
midnight. Waves 1 foot or less. Patchy fog. Showers likely. Vsby
1 NM or less.
.SUN...W winds around 5 kt, becoming S in the afternoon. Waves
1 foot or less. Patchy fog. Showers likely with a chance of
tstms.
.SUN NIGHT...SW winds around 5 kt, becoming NW after midnight.
Waves 1 foot or less. Showers likely with a chance of tstms.
.MON...N winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.MON NIGHT...N winds around 5 kt. Waves 2 to 3 ft. A chance of
showers.
.TUE...W winds around 5 kt. Waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance.
.TUE NIGHT...SW 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.

$$

ANZ236-221800-
Narragansett Bay-
116 AM EDT Fri Jun 22 2018

.REST OF TONIGHT...NE winds 5 to 10 kt. Waves around 2 ft. Patchy
fog. Vsby 1 NM or less.
.FRI...E winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.SAT...E winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SAT NIGHT...E winds around 5 kt, becoming S after midnight.
Waves 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt. Waves 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft.
.MON...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 2 to 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.

$$

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