000
FZUS51 KBOX 202317
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 PM EDT Sat Apr 20 2019

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

ANZ200-211200-
716 PM EDT Sat Apr 20 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
A series of weak low pres areas will rotate overnight through
Tuesday. with yet another low pres moving in from the west Wed.

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.

$$

ANZ250-211200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Patchy fog this evening. Patchy dense fog after midnight.
Showers likely. Vsby 1 NM or less.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. Seas 4 to 6 ft. Patchy dense fog. A
chance of showers. Vsby 1 NM or less.
.SUN NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby
1 NM or less.
.MON...E winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers.
Vsby 1 to 3 NM.
.MON NIGHT...E winds around 10 kt, becoming NE after midnight.
Seas 4 to 7 ft. Showers likely.
.TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft. A chance of showers.
.TUE NIGHT...E winds 5 to 10 kt. Seas 4 to 6 ft. A chance of
showers.
.WED...E winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft.
A chance of showers.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.THU NIGHT...SE winds 5 to 10 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.

$$

ANZ251-211200-
Massachusetts Bay and Ipswich Bay-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SUNDAY...

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

$$

ANZ231-211200-
Cape Cod Bay-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT SUNDAY...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.SUN...S winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.SUN NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Vsby 1 to 3 NM.
.MON NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 4 ft. Showers likely.
.TUE...N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
.TUE NIGHT...NE winds 5 to 10 kt, becoming SE after midnight.
Seas 2 to 3 ft. A chance of showers.
.WED...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.WED NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...SE 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.

$$

ANZ254-211200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to
10 ft. Patchy fog this evening, then patchy dense fog after
midnight. A chance of showers this evening, then showers likely
after midnight. Vsby 1 NM or less.
.SUN...S winds 15 to 20 kt with gusts up to 30 kt, diminishing to
around 10 kt in the afternoon. Seas 6 to 9 ft. Patchy fog.
Showers likely. Vsby 1 NM or less.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 4 to 7 ft. Patchy fog.
Showers likely. Vsby 1 NM or less.
.MON...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
7 ft. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming
SW after midnight. Seas 5 to 7 ft. A chance of showers.
.TUE...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
7 ft. A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt, becoming E after midnight. Seas
4 to 6 ft. A chance of showers.
.WED...SW winds around 10 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...E winds 5 to 10 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.

$$

ANZ255-211200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to
11 ft. Patchy fog. Showers. Vsby 1 NM or less.
.SUN...S winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 7 to 10 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.SUN NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
5 to 8 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.MON...E winds 5 to 10 kt, becoming S in the afternoon. Gusts up
to 20 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...S winds around 10 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers.
.TUE...NW winds around 10 kt. Seas 4 to 7 ft. A chance of
showers.
.TUE NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas
4 to 6 ft. A chance of showers.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...E winds 5 to 10 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.

$$

ANZ256-211200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to
13 ft. Patchy fog. Showers. Vsby 1 NM or less.
.SUN...S winds 5 to 10 kt. Seas 8 to 11 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.SUN NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Seas 6 to 9 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt, becoming SW in the afternoon. Gusts
up to 20 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 5 to 7 ft. A chance of showers.
.TUE...NW winds 5 to 10 kt. Seas 4 to 7 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Seas 4 to 6 ft. A chance of
showers.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.THU NIGHT...E winds around 10 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.

$$

ANZ232-211200-
Nantucket Sound-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Patchy fog. Showers. Vsby 1 NM or less.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.SUN NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.MON...E winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 4 ft. A chance of showers. Vsby 1 to
3 NM.
.MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 2 to 4 ft. Showers likely.
.TUE...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. A chance of showers.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...E 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.

$$

ANZ233-211200-
Vineyard Sound-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.SUN...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers
likely. Vsby 1 to 3 NM.
.SUN NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 4 ft. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 4 ft. Showers likely.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.WED...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...E 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.

$$

ANZ234-211200-
Buzzards Bay-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SUN NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds around 5 kt, becoming S in the afternoon. Seas
2 to 4 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 4 ft. Showers likely.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.THU NIGHT...E 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.

$$

ANZ235-211200-
Rhode Island Sound-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.SUN...SE winds 5 to 10 kt. Seas 6 to 9 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.SUN NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas
4 to 7 ft. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 4 to 6 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 4 to 6 ft. A chance of showers.
.TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.WED...SW winds around 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT...E winds 5 to 10 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.

$$

ANZ237-211200-
Block Island Sound-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 6 to 9 ft. Patchy fog. Showers.
Vsby 1 NM or less.
.SUN...SE winds 5 to 10 kt. Seas 5 to 8 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SUN NIGHT...S winds 5 to 10 kt, becoming N after midnight. Seas
4 to 6 ft. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 4 to 6 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 4 to 6 ft. A chance of showers.
.TUE...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
4 to 6 ft.
.TUE NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.WED...SW winds around 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.WED NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...E winds around 10 kt with gusts up to 20 kt. Seas around
3 ft.
.THU NIGHT...E winds 5 to 10 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.

$$

ANZ230-211200-
Boston Harbor-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft. Showers. Patchy fog after midnight.
.SUN...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.SUN NIGHT...S winds 5 to 10 kt, becoming E after midnight. Waves
1 foot or less. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds 5 to 10 kt. Waves around 2 ft. Showers likely.
Vsby 1 to 3 NM.
.MON NIGHT...N winds 5 to 10 kt. Waves around 2 ft. Showers
likely.
.TUE...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance. A chance of showers.
.WED...E winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less.

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.

$$

ANZ236-211200-
Narragansett Bay-
716 PM EDT Sat Apr 20 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft, except 4 to 6 ft at the bay entrance. Patchy fog. Showers.
Vsby 1 NM or less.
.SUN...SE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SUN NIGHT...S winds around 5 kt, becoming N after midnight.
Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.MON...NE winds around 5 kt, becoming SE in the afternoon. Waves
2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.
.MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Waves 2 to 3 ft. A chance of showers.
.TUE...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.WED NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT...E 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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