Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 172002
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
402 PM EDT Mon Jun 17 2019

Coastal waters from the Merrimack River MA to Watch Hill RI out to
25 NM

ANZ200-180830-
402 PM EDT Mon Jun 17 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
A frontal boundary S of the waters will remain nearly stationary
tonight through Fri. A series of weak low pres waves moving along
this boundary will bring rounds of showers from time time tonight
thru Fri, with embedded heavy downpours and possibly a few tstms.
The last wave of low pres exits E of the waters Fri afternoon,
afterwhich high pres builds in from the W Fri night and Sat.

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.

$$

ANZ250-180830-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog after
midnight. A slight chance of showers after midnight with vsby
1 NM or less.
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 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.

$$

ANZ251-180830-
Massachusetts Bay and Ipswich Bay-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog after
midnight. A slight chance of showers after midnight with vsby
1 to 3 NM.
.TUE...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 2 to 3 ft.
.THU...E winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...NW 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.

$$

ANZ231-180830-
Cape Cod Bay-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog
after midnight. A chance of showers after midnight with vsby 1 NM
or less.
.TUE...SE winds around 5 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...SE winds around 5 kt. Seas 1 foot or less. Patchy
fog. A chance of showers. Vsby 1 to 3 NM.
.WED...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby
1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 1 foot or less. A chance of showers.
.THU...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Showers
likely.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.

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.

$$

ANZ254-180830-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.TUE NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM
or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft.
Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.

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.

$$

ANZ255-180830-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
402 PM EDT Mon Jun 17 2019

.TONIGHT...SE winds around 5 kt. Seas 2 to 4 ft. Patchy fog.
Showers likely after midnight. Vsby 1 NM or less.
.TUE...E winds 5 to 10 kt. Seas around 3 ft. Patchy fog. Showers
likely. Vsby 1 NM or less.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.
.THU...SE winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
.FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...W winds around 10 kt. Seas 3 to 5 ft.

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.

$$

ANZ256-180830-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
402 PM EDT Mon Jun 17 2019

.TONIGHT...SE winds around 5 kt. Seas 3 to 4 ft. Patchy fog. A
slight chance of showers this evening, then showers likely after
midnight. Vsby 1 NM or less.
.TUE...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED...SE winds 5 to 10 kt. Seas around 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.
.THU...E winds around 5 kt, becoming S in the afternoon. Seas
around 3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Showers with a
chance of tstms.
.FRI...NW winds around 10 kt. Seas 4 to 6 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 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.

$$

ANZ232-180830-
Nantucket Sound-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds around 5 kt. Seas 1 foot or less. Patchy fog.
A chance of showers after midnight. Vsby 1 NM or less.
.TUE...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds around 5 kt. Seas 1 foot or less. Patchy
fog. A chance of showers. Vsby 1 NM or less.
.WED...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.
.THU...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...W winds around 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.

$$

ANZ233-180830-
Vineyard Sound-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog this
evening, then patchy dense fog after midnight. A chance of
showers after midnight. Vsby 1 NM or less.
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds around 5 kt. Seas 1 foot or less. Patchy
fog. A chance of showers. Vsby 1 to 3 NM.
.WED...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance
of showers.
.THU...E winds around 5 kt, becoming S in the afternoon. Seas
1 foot or less. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely.
.FRI NIGHT...NW winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...NW winds around 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.

$$

ANZ234-180830-
Buzzards Bay-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.TUE...SE winds around 5 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds around 5 kt. Seas 1 foot or less. Patchy
fog. A chance of showers. Vsby 1 to 3 NM.
.WED...E winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 1 foot or less. A chance of showers.
.THU...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...NW 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.

$$

ANZ235-180830-
Rhode Island Sound-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds around 5 kt. Seas 2 to 4 ft. Patchy fog.
Showers likely after midnight. Vsby 1 NM or less.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers
likely. Vsby 1 NM or less.
.TUE NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby
1 NM or less.
.WED...E winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...E winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Showers with a
chance of tstms.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
.FRI NIGHT...NW winds around 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW 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.

$$

ANZ237-180830-
Block Island Sound-
402 PM EDT Mon Jun 17 2019

.TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
slight chance of showers this evening, then showers likely after
midnight. Vsby 1 NM or less.
.TUE...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.THU...E winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Showers with a
chance of tstms.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft. Showers likely.
.FRI NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW 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.

$$

ANZ230-180830-
Boston Harbor-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A slight
chance of showers after midnight.
.TUE...SE winds around 5 kt. Waves 1 foot or less. A chance of
showers.
.TUE NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.
.WED...SE winds 5 to 10 kt. Waves 1 foot or less. Patchy fog.
Vsby 1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less.
.THU...E winds around 5 kt. Waves 1 foot or less. A chance of
showers.
.THU NIGHT...SE winds around 5 kt. Waves 1 foot or less. Showers
with a chance of tstms.
.FRI...N winds 5 to 10 kt. Waves 1 foot or less. Showers likely.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.SAT...NW winds around 10 kt. Waves 1 foot or less.
.SAT NIGHT...NW winds 5 to 10 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.

$$

ANZ236-180830-
Narragansett Bay-
402 PM EDT Mon Jun 17 2019

.TONIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A
chance of showers after midnight. Vsby 1 NM or less.
.TUE...SE winds around 5 kt. Waves around 2 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE NIGHT...E winds around 5 kt. Waves around 2 ft. Patchy fog.
A chance of showers. Vsby 1 NM or less.
.WED...E winds around 5 kt, becoming SE in the afternoon. Waves
around 2 ft. Patchy fog. Vsby 1 NM or less.
.WED NIGHT...SE winds 5 to 10 kt, becoming E after midnight.
Waves around 2 ft.
.THU...E winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Showers with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.SAT...NW winds around 10 kt. Waves 2 to 3 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft.

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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