Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 201412
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
1012 AM EDT Wed Jun 20 2018

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

ANZ200-210315-
1012 AM EDT Wed Jun 20 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds across the waters early today then will shift E.
Low pres will pass S of Long Island late tonight, bringing
showers and patchy fog from Cape Cod southward through early Thu.
High pres returns with dry conditions Thu and Fri. Low pres and
an associated warm front will approach late Fri night, bringing
showers Sat into Sat night. Showers may linger as a cold front
approaches Sun.

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.

$$

ANZ250-210315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1012 AM EDT Wed Jun 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds around 5 kt, becoming S 10 to 15 kt
with gusts up to 20 kt. Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Seas around 2 ft.
.FRI...E winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers.
.SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Showers likely.
.SUN...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN NIGHT...NW 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.

$$

ANZ251-210315-
Massachusetts Bay and Ipswich Bay-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds around 5 kt, increasing to 10 to 15 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Seas around 2 ft.
.FRI...NE winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. Showers likely.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ231-210315-
Cape Cod Bay-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, becoming S 10 to 15 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A
chance of showers.
.THU...W winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.
.SAT...SE winds 5 to 10 kt. Seas 1 foot or less. Showers likely.
.SAT NIGHT...S winds around 10 kt. Seas around 2 ft. Showers
likely.
.SUN...SW winds 10 to 15 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ254-210315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, becoming S with gusts up
to 20 kt. Seas 2 to 3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU...SW winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.SUN NIGHT...W 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.

$$

ANZ255-210315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, becoming S. Seas around
2 ft.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. A chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
.FRI...E winds around 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 7 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 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.

$$

ANZ256-210315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds 5 to 10 kt. Gusts up to 20 kt. Seas
around 2 ft.
.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 2 to 3 ft. Showers.
.THU...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...E winds 5 to 10 kt. Seas around 3 ft.
.FRI NIGHT...SE winds around 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft.
.SAT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 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.

$$

ANZ232-210315-
Nantucket Sound-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, increasing to 5 to 10 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas around 2 ft. A chance of showers.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
1 foot or less. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...W winds 10 to 15 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.

$$

ANZ233-210315-
Vineyard Sound-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, increasing to 10 to 15 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers likely.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.SAT...SE winds around 10 kt. Seas around 2 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.

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.

$$

ANZ234-210315-
Buzzards Bay-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...SW winds around 5 kt, increasing to 10 to 15 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A
chance of showers.
.THU...S winds around 5 kt, becoming NE in the afternoon. Seas
1 foot or less. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.SAT...SE winds 5 to 10 kt. Seas 1 foot or less. Showers likely.
.SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. Showers
likely.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ235-210315-
Rhode Island Sound-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds around 5 kt, increasing to 10 to 15 kt
with gusts up to 20 kt. Seas around 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers likely.
.THU...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 2 to 4 ft. Showers likely.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.SUN NIGHT...W 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.

$$

ANZ237-210315-
Block Island Sound-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely.
.THU...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers likely.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...W winds 10 to 15 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.

$$

ANZ230-210315-
Boston Harbor-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds around 5 kt, increasing to 5 to 10 kt.
Waves 1 foot or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.THU NIGHT...E winds around 5 kt, becoming NE after midnight.
Waves 1 foot or less.
.FRI...E winds around 5 kt, becoming SE in the afternoon. Waves
1 foot or less.
.FRI NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance
of showers.
.SAT...SE winds around 5 kt. Waves 1 foot or less. Showers
likely.
.SAT NIGHT...S winds around 5 kt. Waves 1 foot or less. Showers
likely.
.SUN...SW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.

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.

$$

ANZ236-210315-
Narragansett Bay-
1012 AM EDT Wed Jun 20 2018

.THIS AFTERNOON...S winds around 5 kt, increasing to 5 to 10 kt
with gusts up to 20 kt. Waves around 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.THU...E winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.THU NIGHT...NE winds around 5 kt. Waves around 2 ft.
.FRI...E winds 5 to 10 kt, becoming SE in the afternoon. Waves
around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves around 2 ft.
.SAT...SE winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely.
.SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely.
.SUN...SW winds 10 to 15 kt. Waves 2 to 4 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.

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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