Coastal Waters Forecast
Issued by NWS Boston, MA

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367
FZUS51 KBOX 202316
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 PM EDT Wed Jun 20 2018

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

ANZ200-211200-
716 PM EDT Wed Jun 20 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A low pres system will emerge off New Jersey overnight and track  S
of Long Island Thursday morning. The system will bring showers  and
patchy fog from Cape Cod southward through mid day on Thu.  High
pres returns with dry conditions Thu afternoon into Fri. Low  pres
and an associated warm front will approach late Fri night,  bringing
showers Sat into Sat night. Showers may linger as a cold  front
approaches Sun.

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.

$$

ANZ250-211200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
.THU...W winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...E 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...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely
with a chance of tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.MON...NW winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 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.

$$

ANZ251-211200-
Massachusetts Bay and Ipswich Bay-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.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...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Showers
likely with a chance of tstms.
.SUN...SW winds around 5 kt. Seas around 2 ft. A chance of
showers.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON 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.

$$

ANZ231-211200-
Cape Cod Bay-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
.THU...SW winds 5 to 10 kt, becoming E in the afternoon. Seas
1 foot or less.
.THU NIGHT...E winds around 5 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
.SAT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
1 foot or less. Showers likely with a chance of tstms.
.SUN...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.MON...W winds 5 to 10 kt. Seas around 2 ft. Showers likely.
.MON NIGHT...N winds 5 to 10 kt with gusts up to 20 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.

$$

ANZ254-211200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
.THU...SW winds 5 to 10 kt with gusts up to 20 kt, becoming SE in
the afternoon. Seas 2 to 3 ft. A chance of showers. Vsby 1 to
3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 NM or less.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 4 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ255-211200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers
after midnight.
.THU...S winds 5 to 10 kt with gusts up to 20 kt, becoming E in
the afternoon. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to
3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 3 to 5 ft. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. Showers likely
with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft. Showers likely.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ256-211200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 PM EDT Wed Jun 20 2018

.TONIGHT...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. Showers
likely after midnight with vsby 1 to 3 NM.
.THU...SE winds 5 to 10 kt, becoming E 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 3 ft. Patchy fog. Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. A chance of showers.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft. Showers likely with a chance of tstms.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 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.

$$

ANZ232-211200-
Nantucket Sound-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft. A chance of
showers after midnight.
.THU...S winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less. Showers likely. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Patchy fog.
Vsby 1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas around 2 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.MON...W winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.MON NIGHT...N winds around 10 kt with gusts up to 20 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.

$$

ANZ233-211200-
Vineyard Sound-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers likely after midnight.
.THU...S winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.FRI NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.MON...W winds around 10 kt. Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...N winds around 10 kt with gusts up to 20 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.

$$

ANZ234-211200-
Buzzards Bay-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers likely after midnight.
.THU...S winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less. Showers likely. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
.SAT...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers likely with a chance of tstms.
.MON...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...N 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.

$$

ANZ235-211200-
Rhode Island Sound-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers likely after midnight.
.THU...SE winds around 5 kt, becoming E in the afternoon. Seas
around 2 ft. Patchy fog. Showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 NM or less.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft. Showers likely
with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Showers likely with a chance of tstms.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 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.

$$

ANZ237-211200-
Block Island Sound-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Showers after midnight with vsby 1 to 3 NM.
.THU...E winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.SAT NIGHT...SE winds around 10 kt, becoming S after midnight.
Seas 2 to 4 ft. Showers likely with a chance of tstms.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Showers likely with a chance of tstms.
.MON...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...N winds 5 to 10 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.

$$

ANZ230-211200-
Boston Harbor-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.THU...NW winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less.
.FRI...E winds 5 to 10 kt. Waves 1 foot or less.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less.
.SAT...E winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.SAT NIGHT...E winds around 5 kt. Waves 1 foot or less. Showers
likely with a chance of tstms.
.SUN...W winds around 5 kt. Waves 1 foot or less. A chance of
showers.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less. A chance
of showers.
.MON...NW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.MON NIGHT...N 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.

$$

ANZ236-211200-
Narragansett Bay-
716 PM EDT Wed Jun 20 2018

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening.
Waves around 2 ft. Showers likely after midnight.
.THU...SE winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM.
.THU NIGHT...E winds around 5 kt. Waves around 2 ft.
.FRI...E winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...E winds 5 to 10 kt. Waves around 2 ft.
.SAT...E winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Waves
around 2 ft. Showers likely with a chance of tstms.
.SUN...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers.
.MON...NW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
.MON NIGHT...N 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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