Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 200726
CWFBOX

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

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

ANZ200-202015-
326 AM EDT Sun Aug 20 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build over the waters today through Mon. The high
will move offshore Tue, allowing a cold front to approach Wed.
Large high pres will begin to build over the region Thu.

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.

$$

ANZ250-202015-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...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 15 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
3 to 5 ft. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers
and tstms. Some tstms may produce gusty winds, and heavy
rainfall.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...N 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.

$$

ANZ251-202015-
Massachusetts Bay and Ipswich Bay-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt. Seas 1 to 2 ft.
.TONIGHT...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 around 2 ft.
.TUE...SW winds 5 to 10 kt, becoming S 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
2 to 3 ft. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt. Seas around 2 ft. Showers likely
with a chance of tstms. Some tstms may produce gusty winds, and
heavy rainfall.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ231-202015-
Cape Cod Bay-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 to 3 ft.
.TONIGHT...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. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ254-202015-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...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 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.
.THU...N 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.

$$

ANZ255-202015-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Seas around 3 ft. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...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. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.
.THU...N 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.

$$

ANZ256-202015-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt. Seas around 3 ft.
.TONIGHT...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 around 3 ft.
.TUE...SW winds 10 to 15 kt. 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 7 ft. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.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.

$$

ANZ232-202015-
Nantucket Sound-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft.
.TONIGHT...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 with gusts
up to 20 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. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers
and tstms. Some tstms may produce gusty winds, and heavy
rainfall.
.WED NIGHT...W winds 10 to 15 kt. Seas around 2 ft. A chance of
showers.
.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.

$$

ANZ233-202015-
Vineyard Sound-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...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 with gusts
up to 20 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. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...W winds around 10 kt. Seas around 2 ft. A chance of
showers.
.THU...W 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.

$$

ANZ234-202015-
Buzzards Bay-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...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 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 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. A chance of
showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.THU...W 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.

$$

ANZ235-202015-
Rhode Island Sound-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...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 4 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers and tstms.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...W 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.

$$

ANZ237-202015-
Block Island Sound-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...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 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
3 to 5 ft. A chance of showers and tstms.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers and tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED NIGHT...NW winds 5 to 10 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.

$$

ANZ230-202015-
Boston Harbor-
326 AM EDT Sun Aug 20 2017

.TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Waves 1 to 2 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.MON...SW winds around 10 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. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less.
.TUE NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the
evening. Waves 1 foot or less. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less. Showers likely
with a chance of tstms. Some tstms may produce gusty winds, and
heavy rainfall.
.WED NIGHT...W winds around 5 kt. Waves 1 foot or less.
.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.

$$

ANZ236-202015-
Narragansett Bay-
326 AM EDT Sun Aug 20 2017

.TODAY...NW winds 5 to 10 kt, becoming W 10 to 15 kt this
afternoon with gusts up to 20 kt. Waves 1 to 3 ft.
.TONIGHT...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 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. Waves around 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers and tstms. Some tstms may produce gusty winds, and heavy
rainfall.
.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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