Coastal Waters Forecast
Issued by NWS Boston, MA

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478
FZUS51 KBOX 200105
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
905 PM EDT Sat Aug 19 2017

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

ANZ200-201415-
905 PM EDT Sat Aug 19 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.

$$

ANZ250-201415-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog late
this evening. A chance of showers with a slight chance of tstms.
Vsby 1 NM or less late this evening.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less.
.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 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.

$$

ANZ251-201415-
Massachusetts Bay and Ipswich Bay-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog
late this evening. A chance of showers with a slight chance of
tstms. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.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 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.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.

$$

ANZ231-201415-
Cape Cod Bay-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A slight
chance of showers with isolated tstms.
.SUN...W winds around 5 kt. Seas 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.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.

$$

ANZ254-201415-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 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. 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.

$$

ANZ255-201415-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 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.

$$

ANZ256-201415-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds around 10 kt. Seas 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. 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.

$$

ANZ232-201415-
Nantucket Sound-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less.
.MON...W winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.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.

$$

ANZ233-201415-
Vineyard Sound-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.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.

$$

ANZ234-201415-
Buzzards Bay-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less.
.MON...W winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.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.

$$

ANZ235-201415-
Rhode Island Sound-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.MON...SW winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 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. 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.

$$

ANZ237-201415-
Block Island Sound-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers with isolated tstms.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 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.

$$

ANZ230-201415-
Boston Harbor-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...W winds around 5 kt. Waves 1 foot or less. Patchy
fog late this evening. A chance of showers with a slight chance
of tstms. Vsby 1 to 3 NM late this evening.
.SUN...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 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.

$$

ANZ236-201415-
Narragansett Bay-
905 PM EDT Sat Aug 19 2017

.OVERNIGHT...SW winds 5 to 10 kt, becoming W. Waves 1 foot or
less. A slight chance of showers with isolated tstms.
.SUN...W winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Waves 1 foot or less.
.SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less.
.MON...W winds around 5 kt, becoming SW in the afternoon. Waves
1 foot or less.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.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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