Coastal Waters Forecast
Issued by NWS Boston, MA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS51 KBOX 221959
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
359 PM EDT Sat Jul 22 2017

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

ANZ200-230815-
359 PM EDT Sat Jul 22 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
A frontal boundary will remain south of the waters tonight and
Sunday, the coastal waters will be in between high pressure
building from Canada to northern New England and low pressure
emerging off the Mid- Atlantic coast. The low will pass southeast
of the waters Sunday night. Additional waves of low pressure will
pass over the southern waters Monday...moving east of the region
Tuesday. Strong high pressure will be centered over the waters
Wednesday.

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.

$$

ANZ250-230815-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming NW with gusts up to 25 kt
after midnight. Seas 2 to 4 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 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.
.MON...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers likely.
.MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ251-230815-
Massachusetts Bay and Ipswich Bay-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming NW with gusts up to 25 kt
after midnight. Seas 2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. 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 with gusts up to 25 kt. Seas 3 to 5 ft.
Showers likely.
.MON NIGHT...NE winds 5 to 10 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...SW 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.

$$

ANZ231-230815-
Cape Cod Bay-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. A chance of showers.
.MON...E winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Showers likely.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 1 foot or less.
.WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or
less. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt. Seas 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.

$$

ANZ254-230815-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. A slight chance of showers after
midnight.
.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. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. A chance of showers.
.MON...E winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt with gusts up to 20 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.

$$

ANZ255-230815-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
359 PM EDT Sat Jul 22 2017

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

$$

ANZ256-230815-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds around 5 kt. Seas around 3 ft. A slight chance
of showers.
.SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 4 ft.
.SUN NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers.
.MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.TUE...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 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.
.THU...S winds 10 to 15 kt. Seas around 2 ft. A chance of
showers. Vsby 1 to 3 NM.
.THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.

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.

$$

ANZ232-230815-
Nantucket Sound-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less.
.SUN...NE winds 5 to 10 kt. Seas around 2 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 with gusts up to 20 kt. Seas 2 to 3 ft.
Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.WED...NE winds 5 to 10 kt. Seas 1 foot or less.
.WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.THU...S winds 10 to 15 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...SW winds 5 to 10 kt. Seas 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.

$$

ANZ233-230815-
Vineyard Sound-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A slight
chance of showers after midnight.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...E winds around 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.MON...E winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.TUE NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. 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.
.THU...S winds 10 to 15 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...SW winds 5 to 10 kt. Seas 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.

$$

ANZ234-230815-
Buzzards Bay-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. A chance of showers.
.MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.TUE NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. 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.
.THU...S winds 10 to 15 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...SW winds 5 to 10 kt. Seas 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.

$$

ANZ235-230815-
Rhode Island Sound-
359 PM EDT Sat Jul 22 2017

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

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.

$$

ANZ237-230815-
Block Island Sound-
359 PM EDT Sat Jul 22 2017

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

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.

$$

ANZ230-230815-
Boston Harbor-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming NW after midnight. Waves
around 2 ft.
.SUN...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...E winds around 5 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft. A chance of showers.
.MON...E winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to
3 ft. Showers likely.
.MON NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. A chance of showers.
.TUE...N winds around 5 kt. Waves around 2 ft. A chance of
showers.
.TUE NIGHT...N winds around 5 kt. Waves 1 foot or less.
.WED...S winds around 5 kt. Waves 1 foot or less.
.WED NIGHT...S winds around 5 kt. Waves 1 foot or less.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or
less. A chance of showers.
.THU NIGHT...SW 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.

$$

ANZ236-230815-
Narragansett Bay-
359 PM EDT Sat Jul 22 2017

.TONIGHT...S winds 5 to 10 kt, becoming E after midnight. Waves
around 2 ft.
.SUN...NE winds 5 to 10 kt. Waves around 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Waves 2 to 3 ft. A chance of showers.
.MON...NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Showers likely.
.MON NIGHT...N winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.TUE...N winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers.
.TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt,
diminishing to around 5 kt after midnight. Waves around 2 ft.
.WED...E winds around 5 kt. Waves 1 foot or less.
.WED NIGHT...S winds around 5 kt. Waves 1 foot or less.
.THU...S winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.THU NIGHT...SW 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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.