Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 220516
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 AM EDT Sat Jul 22 2017

COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO
25 NM

ANZ200-221800-
116 AM EDT Sat Jul 22 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
Weak low pressure along the New England coast this evening will give
way to high pressure on Saturday. A warm front approaches on Sunday
with a coastal low pressure system moving along the front and over
the waters on Monday and Tuesday. High pressure builds  in from the
west on Wednesday. Another cold front will cross the  waters
Thursday night and Friday morning.

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 Sat Jul 22 2017

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...W winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.SAT NIGHT...S winds 5 to 10 kt, becoming NE 15 to 20 kt with
gusts up to 25 kt after midnight. Seas 2 to 4 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.MON...E winds around 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Showers likely.
.MON NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers.
.TUE...NE winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.TUE NIGHT...N winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...N winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S 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.

$$

ANZ251-221800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Sat Jul 22 2017

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

Winds and seas 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.

$$

ANZ231-221800-
Cape Cod Bay-
116 AM EDT Sat Jul 22 2017

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.SAT...NW winds around 5 kt, becoming E in the afternoon. Seas
1 foot or less.
.SAT NIGHT...S winds 5 to 10 kt, becoming E 10 to 15 kt with
gusts up to 25 kt after midnight. Seas 2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas around 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of
showers. Vsby 1 to 3 NM.
.MON...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. A chance of showers.
.MON NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.
.TUE...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...NE winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 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.

$$

ANZ254-221800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ255-221800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ256-221800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Sat Jul 22 2017

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft.
.SAT NIGHT...SW winds 5 to 10 kt, becoming E 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 4 ft. A chance of
showers.
.MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
4 to 5 ft. A chance of showers.
.TUE...N winds around 10 kt. Seas 4 to 5 ft.
.TUE NIGHT...NE winds around 10 kt. Seas 3 to 4 ft.
.WED...E winds around 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S 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.

$$

ANZ232-221800-
Nantucket Sound-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ233-221800-
Vineyard Sound-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ234-221800-
Buzzards Bay-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ235-221800-
Rhode Island Sound-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ237-221800-
Block Island Sound-
116 AM EDT Sat Jul 22 2017

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

$$

ANZ230-221800-
Boston Harbor-
116 AM EDT Sat Jul 22 2017

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

Winds and seas 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 Sat Jul 22 2017

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

$$

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