Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 180728
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
328 AM EDT Tue Jun 18 2019

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

ANZ200-182015-
328 AM EDT Tue Jun 18 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...

Stalled frontal boundary S of Long Island will be the focus for a
series of weak low pressure waves and bouts of showers and thunder-
storms through Friday. Generally an easterly wind throughout with
boating conditions below small craft advisory levels. High pressure
into the weekend with westerly winds.

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.

$$

ANZ250-182015-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds around 5 kt, becoming SE this afternoon. Seas
around 2 ft. Patchy fog. Isolated showers this morning, then
scattered showers this afternoon. Vsby 1 NM or less, increasing
to 1 to 3 NM this afternoon.
.TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.WED...E 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. Patchy fog. Vsby 1 to 3 NM.
.THU...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.THU NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM.
.FRI...NE winds around 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 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.

$$

ANZ251-182015-
Massachusetts Bay and Ipswich Bay-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas 1 foot or less. Patchy fog. Isolated showers this
morning, then scattered showers this afternoon. Vsby 1 NM or
less, increasing to 1 to 3 NM this afternoon.
.TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM.
.WED...E winds around 5 kt, becoming SE with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas around 2 ft. Patchy fog. A chance of
showers. Vsby 1 to 3 NM.
.THU...E winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Showers likely. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 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.

$$

ANZ231-182015-
Cape Cod Bay-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas 1 foot or less. Isolated showers this morning,
then scattered showers this afternoon.
.TONIGHT...SE winds around 5 kt. Seas 1 foot or less. Patchy fog.
Scattered showers. Vsby 1 to 3 NM.
.WED...E winds 5 to 10 kt. Seas 1 to 2 ft. 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. Patchy fog. A chance of
showers. Vsby 1 to 3 NM.
.THU...SE winds 5 to 10 kt. Seas 1 to 2 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ254-182015-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Isolated
showers this morning, then scattered showers this afternoon. Vsby
1 NM or less.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Scattered showers. Vsby 1 to 3 NM.
.WED...E winds 5 to 10 kt. Seas 2 to 4 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. Patchy fog. A chance of showers.
Vsby 1 NM or less.
.THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog.
Showers likely. Vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.SAT NIGHT...NW 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.

$$

ANZ255-182015-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft. Patchy fog. Scattered showers this
morning, then widespread showers this afternoon. Vsby 1 NM or
less.
.TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. Patchy fog. Numerous showers. Vsby 1 to
3 NM.
.WED...E winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.THU...E winds around 5 kt, becoming S in the afternoon. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...W winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft.
.SAT NIGHT...W winds around 10 kt with gusts up to 20 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.

$$

ANZ256-182015-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Scattered showers this morning, then widespread showers this
afternoon. Vsby 1 NM or less.
.TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft. Patchy fog. Numerous showers. Vsby 1 to
3 NM.
.WED...NE winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby
1 to 3 NM.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 4 to 5 ft. Patchy fog.
Showers. Vsby 1 NM or less.
.FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to
7 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 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.

$$

ANZ232-182015-
Nantucket Sound-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds around 5 kt, becoming SE this afternoon. Seas
around 2 ft. Patchy fog. Scattered showers this morning, then
numerous showers this afternoon. Vsby 1 NM or less, increasing to
1 to 3 NM this afternoon.
.TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Numerous showers. Vsby 1 to 3 NM.
.WED...E winds around 5 kt. Seas 1 to 2 ft. Patchy fog. Vsby 1 to
3 NM.
.WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog.
A chance of showers. Vsby 1 to 3 NM.
.THU...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to
3 ft. Showers likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ233-182015-
Vineyard Sound-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Scattered showers this morning, then numerous showers this
afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this
afternoon.
.TONIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog.
Numerous showers. Vsby 1 to 3 NM.
.WED...E winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog.
A chance of showers. Vsby 1 to 3 NM.
.THU...SE winds around 5 kt. Seas 1 to 2 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Showers likely.
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 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.

$$

ANZ234-182015-
Buzzards Bay-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds around 5 kt. Seas around 2 ft. Patchy fog.
Isolated showers this morning, then numerous showers this
afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this
afternoon.
.TONIGHT...E winds around 5 kt. Seas 1 foot or less. Patchy fog.
Scattered showers. Vsby 1 to 3 NM.
.WED...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog.
A chance of showers. Vsby 1 NM or less.
.THU...S winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Showers likely.
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.SAT...NW winds around 10 kt with gusts up to 20 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.

$$

ANZ235-182015-
Rhode Island Sound-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Scattered showers this morning, then numerous showers this
afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this
afternoon.
.TONIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog.
Numerous showers. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers likely.
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.
.SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 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.

$$

ANZ237-182015-
Block Island Sound-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Scattered showers this morning, then numerous showers this
afternoon. Vsby 1 NM or less.
.TONIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog.
Numerous showers. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt, becoming SE in the afternoon. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog.
Showers. Vsby 1 NM or less.
.FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to
5 ft. Showers likely.
.FRI NIGHT...NW winds around 10 kt. Seas 3 to 5 ft.
.SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 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.

$$

ANZ230-182015-
Boston Harbor-
328 AM EDT Tue Jun 18 2019

.TODAY...SE winds around 5 kt. Waves 1 foot or less. Scattered
showers. Patchy fog this afternoon. Vsby 1 to 3 NM.
.TONIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy
fog. Scattered showers. Vsby 1 to 3 NM.
.WED...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.
.THU...E winds around 5 kt. Waves 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy
fog. Showers.
.FRI...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Showers likely.
.FRI NIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.SAT...NW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft.
.SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves
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.

$$

ANZ236-182015-
Narragansett Bay-
328 AM EDT Tue Jun 18 2019

.TODAY...S winds around 5 kt, becoming SE this afternoon. Waves
around 2 ft. Patchy fog. Scattered showers this morning, then
numerous showers this afternoon. Vsby 1 NM or less, increasing to
1 to 3 NM this afternoon.
.TONIGHT...NE winds around 5 kt. Waves around 2 ft. Patchy fog.
Scattered showers. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt, becoming SE in the afternoon. Waves
1 to 2 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...SE winds around 5 kt. Waves around 2 ft. Patchy fog.
A chance of showers. Vsby 1 NM or less.
.THU...E winds around 5 kt, becoming SE in the afternoon. Waves
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 2 to 4 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to
4 ft. Showers likely.
.FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.SAT...NW winds around 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 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.

$$

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