Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 200516
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 AM EDT Sun Aug 20 2017

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

ANZ200-201800-
116 AM EDT Sun Aug 20 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure will build over the waters through Tue, before a cold
front approaches 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.

$$

ANZ250-201800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Patchy
fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW 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.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ251-201800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Sun Aug 20 2017

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

$$

ANZ231-201800-
Cape Cod Bay-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.SUN...W winds 5 to 10 kt. Seas 1 to 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 1 to 2 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...N winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W 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.

$$

ANZ254-201800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy
fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM
or less.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...SW winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.

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.

$$

ANZ255-201800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy
fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ256-201800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt.
Seas 3 to 4 ft.
.SUN...W winds 5 to 10 kt. Seas around 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ232-201800-
Nantucket Sound-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy
fog. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW around 5 kt after midnight. Seas around 2 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.MON NIGHT...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.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog.
.THU...NW winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W 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.

$$

ANZ233-201800-
Vineyard Sound-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW around 5 kt after midnight. Seas 2 to 3 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.MON NIGHT...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.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...NW winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W 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.

$$

ANZ234-201800-
Buzzards Bay-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...SW winds around 5 kt. Seas 1 foot or less.
.SUN...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt, diminishing to around 5 kt
after midnight. Seas 2 to 3 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
1 foot or less.
.THU...NW winds 5 to 10 kt. Seas 1 foot or less.
.THU NIGHT...W winds around 5 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.

$$

ANZ235-201800-
Rhode Island Sound-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 3 ft.
.SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Seas 2 to 3 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.MON NIGHT...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.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...NW winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ237-201800-
Block Island Sound-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 10 to 15 kt, becoming NW around 5 kt after
midnight. Seas 2 to 3 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.MON NIGHT...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.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A
chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms.
.WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...W winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ230-201800-
Boston Harbor-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less.
Patchy fog.
.SUN...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.MON...SW winds around 5 kt. Waves 1 foot or less.
.MON NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...SW winds around 10 kt. Waves 1 foot or less. Patchy
fog. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Patchy fog. Showers and tstms likely.
.WED NIGHT...W winds around 5 kt. Waves 1 foot or less.
.THU...N winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less.

Winds and waves 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.

$$

ANZ236-201800-
Narragansett Bay-
116 AM EDT Sun Aug 20 2017

.REST OF TONIGHT...W winds around 5 kt. Waves around 2 ft.
.SUN...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves around 2 ft.
.SUN NIGHT...W winds 10 to 15 kt, becoming NW around 5 kt after
midnight. Waves around 2 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to around 5 kt after midnight. Waves around 2 ft.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Patchy fog. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft. Patchy fog. Showers and tstms likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.THU...NW winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...NW winds around 5 kt. Waves 1 foot or less.

Winds and waves 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.

$$

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