Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 191911
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
311 PM EDT Tue Jun 19 2018

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

ANZ200-200815-
311 PM EDT Tue Jun 19 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure builds across the waters into this evening,
shifting east on Wednesday. An area of low pressure follows for
Wednesday night skirting south coastal New England with rain and
possibly lower visibility. Seasonable and dry weather follows with
return high pressure the remainder of the week, while a warm
front lifts north across the waters over the weekend.

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.

$$

ANZ250-200815-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...W winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
showers.

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.

$$

ANZ251-200815-
Massachusetts Bay and Ipswich Bay-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...NW winds around 5 kt. Seas 1 foot or less.
.WED...W winds around 5 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft.
.THU NIGHT...SE winds around 5 kt, becoming NW after midnight.
Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ231-200815-
Cape Cod Bay-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...NW winds around 5 kt. Seas 1 foot or less.
.WED...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 25 kt in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A
chance of showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas
around 2 ft.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.SAT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ254-200815-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 4 ft.
.TONIGHT...NW winds around 5 kt. Seas 2 to 4 ft.
.WED...W winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft.
.WED 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. Patchy
fog. A chance of showers.
.THU...SW winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.

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.

$$

ANZ255-200815-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.TONIGHT...SE winds around 5 kt, becoming NW around 5 kt after
midnight. Seas 2 to 4 ft.
.WED...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.

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.

$$

ANZ256-200815-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.TONIGHT...S winds around 5 kt, becoming NW after midnight. Seas
2 to 4 ft.
.WED...SE winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Showers likely. Vsby 1 to 3 NM.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance
of showers. Vsby 1 NM or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Seas around 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 3 ft.
.SAT...SE winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. A chance of
showers.

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.

$$

ANZ232-200815-
Nantucket Sound-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...SE winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.WED...W winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to
3 NM.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
1 foot or less. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ233-200815-
Vineyard Sound-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...SW winds around 5 kt. Seas 2 to 3 ft.
.TONIGHT...S winds around 5 kt, becoming NW around 5 kt after
midnight. Seas around 2 ft.
.WED...S winds around 5 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to
3 NM.
.THU...S winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.SAT...SE winds around 10 kt. Seas 1 foot or less. A chance of
showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ234-200815-
Buzzards Bay-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...NW winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...S winds around 5 kt, becoming NW after midnight. Seas
around 2 ft.
.WED...S winds around 5 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 to
3 NM.
.THU...S winds around 5 kt, becoming E in the afternoon. Seas
1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas
1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less.
.SAT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ235-200815-
Rhode Island Sound-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.TONIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft.
.WED...SE winds around 5 kt, becoming SW with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Patchy fog. Showers likely. 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...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.

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.

$$

ANZ237-200815-
Block Island Sound-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas
2 to 3 ft.
.WED...SE winds around 5 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 to
3 NM.
.THU...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft. A chance of
showers.

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.

$$

ANZ230-200815-
Boston Harbor-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...N winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
around 2 ft.
.THU NIGHT...SE winds around 5 kt, becoming NW after midnight.
Waves 1 foot or less.
.FRI...E winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...S winds around 5 kt. Waves 1 foot or less.
.SAT...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.SAT NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance
of showers.

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.

$$

ANZ236-200815-
Narragansett Bay-
311 PM EDT Tue Jun 19 2018

.THIS AFTERNOON...NW winds 5 to 10 kt. Waves around 2 ft.
.TONIGHT...S winds around 5 kt, becoming NW after midnight. Waves
around 2 ft.
.WED...E winds around 5 kt, becoming S with gusts up to 20 kt in
the afternoon. Waves 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to
3 NM.
.THU...NE winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU NIGHT...NE winds around 5 kt. Waves around 2 ft.
.FRI...E winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves around 2 ft.
.SAT...SE winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.

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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