AFOS product CWFBOX
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Product Timestamp: 2021-05-03 23:27 UTC

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FZUS51 KBOX 032328
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
727 PM EDT Mon May 3 2021

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

ANZ200-041200-
727 PM EDT Mon May 3 2021

.Synopsis for Massachusetts and Rhode Island coastal waters...
A stationary front will remain near the Southern New England waters 
though the mid week, with a daily chance of showers. High pressure 
provides calm weather for Thursday. Friday we are monitoring for a 
possible coastal storm.  

For additional information on possible hazardous weather for the 
week ahead, please visit www.weather.gov/boston/ehwo

$$

ANZ250-041200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
727 PM EDT Mon May 3 2021

.TONIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of rain this evening, then
rain after midnight. Patchy fog after midnight. 
.TUE...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. Rain with patchy drizzle.
.TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming E 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of
showers with patchy drizzle. 
.WED...SE winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Seas 2 to 4 ft. Showers.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers. 
.THU...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. 
.THU NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. 
.FRI...NE winds 5 to 10 kt. Seas 2 to 4 ft. 
.FRI NIGHT AND SAT...NW winds around 10 kt with gusts up to
20 kt, becoming W. Seas 5 to 8 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ251-041200-
Massachusetts Bay and Ipswich Bay-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Rain. Patchy fog
after midnight. 
.TUE...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. Rain likely with patchy drizzle. 
.TUE NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 2 to 3 ft. A chance of showers with patchy
drizzle. 
.WED...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Showers.
.WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. A chance of showers. 
.THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. 
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. 
.FRI NIGHT AND SAT...NW winds 5 to 10 kt, becoming W. Seas 3 to
5 ft. A chance of showers. 
.SAT NIGHT...W winds 10 to 15 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.

$$

ANZ231-041200-
Cape Cod Bay-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Rain with patchy drizzle. Vsby 1 to 3 NM. 
.TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers
with patchy drizzle. 
.WED...SE winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Seas around 2 ft. Showers.
.WED NIGHT...W winds around 10 kt, becoming NW with gusts up to
20 kt after midnight. Seas 2 to 3 ft. A chance of showers. 
.THU AND THU NIGHT...NW winds 15 to 20 kt. Seas 2 to 3 ft. 
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. 
.FRI NIGHT AND SAT...NW winds around 10 kt, becoming W. Seas 2 to
4 ft. A chance of showers. 
.SAT NIGHT...W winds 10 to 15 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.

$$

ANZ254-041200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog. Rain.
Vsby 1 to 3 NM after midnight. 
.TUE...E winds 10 to 15 kt, becoming NE in the afternoon. Gusts
up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain likely with patchy
drizzle. Vsby 1 to 3 NM. 
.TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming
NE after midnight. Seas 3 to 5 ft. Patchy drizzle. 
.WED...SE winds 10 to 15 kt, becoming S in the afternoon. Gusts
up to 25 kt. Seas 3 to 5 ft. Showers.
.WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. 
.THU...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. 
.THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. 
.FRI...NE winds around 10 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
6 to 9 ft. A chance of showers. 
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
8 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ255-041200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Patchy fog. Rain.
Vsby 1 to 3 NM after midnight. 
.TUE...E winds around 10 kt, becoming N with gusts up to 20 kt in
the afternoon. Seas 3 to 4 ft. Patchy fog. Rain with patchy
drizzle. Vsby 1 to 3 NM. 
.TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers
with patchy drizzle. 
.WED...SE winds 10 to 15 kt, becoming S in the afternoon. Gusts
up to 25 kt. Seas 4 to 6 ft. Showers likely. 
.WED NIGHT...W winds around 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. 
.FRI...NE winds around 10 kt. Seas 3 to 5 ft. 
.FRI NIGHT AND SAT...NW winds around 10 kt, becoming W. Gusts up
to 20 kt. Seas 5 to 8 ft. A chance of showers. 
.SAT NIGHT...W winds around 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.

$$

ANZ256-041200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Patchy fog. Rain.
Vsby 1 to 3 NM after midnight. 
.TUE...NE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft. Patchy fog. Rain
likely with patchy drizzle. Vsby 1 to 3 NM. 
.TUE NIGHT...NE winds around 10 kt, becoming E after midnight.
Seas 3 to 4 ft. A chance of showers with patchy drizzle. 
.WED...SE winds 10 to 15 kt, becoming S in the afternoon. Gusts
up to 25 kt. Seas 3 to 5 ft. Showers likely. 
.WED NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.
.THU AND THU NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ232-041200-
Nantucket Sound-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...NE winds around 10 kt, becoming N with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain likely with
patchy drizzle. Vsby 1 to 3 NM. 
.TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers
with patchy drizzle. 
.WED...SE winds 10 to 15 kt, becoming S in the afternoon. Gusts
up to 25 kt. Seas 2 to 3 ft. Showers.
.WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. 
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. 
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers. 
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ233-041200-
Vineyard Sound-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Patchy fog. Rain with patchy drizzle. 
.TUE NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. A chance of showers with patchy drizzle. 
.WED...SE winds around 10 kt, becoming S with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft. Showers likely. 
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ234-041200-
Buzzards Bay-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Patchy fog. Rain with patchy drizzle. 
.TUE NIGHT...N winds 5 to 10 kt, becoming NE after midnight. Seas
around 2 ft. A chance of showers with patchy drizzle. 
.WED...SE winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Showers likely. 
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers. 
.SAT NIGHT...W winds 10 to 15 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.

$$

ANZ235-041200-
Rhode Island Sound-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Rain.
Vsby 1 to 3 NM after midnight. 
.TUE...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Patchy fog. Rain with patchy drizzle. Vsby 1 to
3 NM. 
.TUE NIGHT...NE winds around 10 kt, becoming E after midnight.
Seas 2 to 3 ft. A chance of showers with patchy drizzle. 
.WED...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. Showers likely. 
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ237-041200-
Block Island Sound-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds around 10 kt. Seas 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of rain with patchy drizzle. 
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with patchy drizzle. 
.WED...SE winds around 10 kt, becoming S with gusts up to 20 kt
in the afternoon. Seas 2 to 4 ft. Showers likely. 
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. A chance of showers. 
.SAT NIGHT...W 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.

$$

ANZ230-041200-
Boston Harbor-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Waves 1 foot or less. Rain. Patchy
fog after midnight. 
.TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Patchy fog. Rain with patchy drizzle. 
.TUE NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers with patchy drizzle. 
.WED...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft. Showers.
.WED NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. A chance of showers. 
.THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. 
.FRI...NE winds 5 to 10 kt. Waves around 2 ft. 
.FRI NIGHT AND SAT...NW winds 5 to 10 kt, becoming W. Waves
around 2 ft. A chance of showers. 
.SAT NIGHT...W winds around 10 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.

$$

ANZ236-041200-
Narragansett Bay-
727 PM EDT Mon May 3 2021

.TONIGHT...E winds 5 to 10 kt. Waves around 2 ft. Patchy fog.
Rain. Vsby 1 to 3 NM after midnight. 
.TUE...N winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Rain
likely with patchy drizzle. 
.TUE NIGHT...NE winds 5 to 10 kt, becoming E after midnight.
Waves around 2 ft. A chance of showers with patchy drizzle. 
.WED...SE winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Waves 2 to 3 ft. Showers likely. 
.WED NIGHT...W winds 5 to 10 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of
showers. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. 
.FRI THROUGH SAT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. A chance of showers. 
.SAT NIGHT...W winds 5 to 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.

$$

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