Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 210516
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 AM EDT Mon Aug 21 2017

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

ANZ200-211800-
116 AM EDT Mon Aug 21 2017

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

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.

$$

ANZ250-211800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ251-211800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Mon Aug 21 2017

.REST OF TONIGHT...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 with gusts up to 20 kt. Seas
around 2 ft.
.TUE...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 10 to 15 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, diminishing
to 5 to 10 kt in the afternoon. Seas around 2 ft. Showers and
tstms likely.
.WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.THU...W winds around 5 kt. Seas 1 foot or less.
.THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.FRI...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI 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.

$$

ANZ231-211800-
Cape Cod Bay-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ254-211800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ255-211800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Mon Aug 21 2017

.REST OF TONIGHT...NW winds around 5 kt. 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 with gusts up to 20 kt. Seas
2 to 3 ft.
.TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers
and tstms.
.WED NIGHT...W winds around 10 kt, becoming NW after midnight.
Seas 2 to 4 ft. A chance of showers.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...NE 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.

$$

ANZ256-211800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Mon Aug 21 2017

.REST OF TONIGHT...NW winds around 5 kt. Seas 2 to 3 ft.
.MON...W winds around 5 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Patchy fog. A chance of showers and tstms. Vsby 1 to
3 NM.
.WED...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers
and tstms.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
3 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.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...NE 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.

$$

ANZ232-211800-
Nantucket Sound-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ233-211800-
Vineyard Sound-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ234-211800-
Buzzards Bay-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ235-211800-
Rhode Island Sound-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ237-211800-
Block Island Sound-
116 AM EDT Mon Aug 21 2017

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

$$

ANZ230-211800-
Boston Harbor-
116 AM EDT Mon Aug 21 2017

.REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less.
.MON...SW winds 5 to 10 kt. 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. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less. Showers and
tstms likely.
.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.
.FRI...NE winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...W 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.

$$

ANZ236-211800-
Narragansett Bay-
116 AM EDT Mon Aug 21 2017

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

$$

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