Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 211628
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
1227 PM EDT Thu Sep 21 2017

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

ANZ200-220500-
1227 PM EDT Thu Sep 21 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
Tropical Storm Jose will become nearly stationary southeast of the
waters over the next few days and slowly weaken. Mariners can expect
 the highest winds and heavier rain bands across the waters off the
south coast through Friday morning. A ridge of high pressure may
build over the waters for Sunday and Monday. Mariners should
monitor the latest forecasts from the National Hurricane Center at
www.nhc.noaa.gov.

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.

$$

ANZ250-220500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. NE winds
25 to 30 kt with gusts up to 45 kt. Seas around 15 ft. A slight
chance of showers.
.TONIGHT...Tropical storm conditions possible. NE winds 25 to
30 kt with gusts up to 45 kt. Seas around 16 ft. Areas of fog
after midnight. A chance of showers after midnight with vsby 1 to
3 NM.
.FRI...Tropical storm conditions possible. NE winds 25 to 30 kt
with gusts up to 40 kt. Seas around 16 ft, subsiding to 14 ft in
the afternoon. Areas of fog. A chance of showers. Vsby 1 NM or
less.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas around 12 ft, subsiding
to 9 ft after midnight. Areas of fog in the evening. A chance of
showers in the evening with vsby 1 to 3 NM.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas around 8 ft, subsiding to 6 ft
in the afternoon.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft.
.SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds around 5 kt, becoming NE after midnight.
Seas around 3 ft.
.MON...NE winds around 5 kt, becoming E in the afternoon. Seas
around 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 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.

$$

ANZ251-220500-
Massachusetts Bay and Ipswich Bay-
1227 PM EDT Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THIS AFTERNOON...N winds 20 to 25 kt with gusts up to 40 kt.
Seas around 12 ft. A slight chance of showers.
.TONIGHT...NE winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 40 kt. Seas 13 to 14 ft.
.FRI...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas around 13 ft, subsiding to
11 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in
the morning.
.FRI NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
around 10 ft, subsiding to 7 ft after midnight. A chance of
showers in the evening.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas around 5 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft.
.SUN NIGHT...SE winds around 5 kt, becoming NW around 5 kt after
midnight. Seas around 2 ft.
.MON...NE winds around 5 kt, becoming E around 5 kt in the
afternoon. Seas around 2 ft.
.MON NIGHT...E winds around 5 kt, becoming NE around 5 kt after
midnight. 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.

$$

ANZ231-220500-
Cape Cod Bay-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
25 to 30 kt with gusts up to 45 kt. Seas around 10 ft. A chance
of showers. Vsby 1 to 3 NM.
.TONIGHT...Tropical storm conditions possible. NE winds 25 to
30 kt with gusts up to 45 kt. Seas 9 to 10 ft. A chance of
showers. Vsby 1 to 3 NM after midnight.
.FRI...Tropical storm conditions possible. NE winds 25 to 30 kt,
diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt.
Seas 8 to 9 ft. Areas of fog. A chance of showers. Vsby 1 NM or
less.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 6 to 7 ft. A chance of showers. Areas of fog in the evening
with vsby 1 NM or less.
.SAT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
5 ft.
.SAT NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...NE winds around 5 kt. Seas around 2 ft.
.MON...NE winds around 5 kt. Seas around 2 ft.
.MON NIGHT...E winds around 5 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.

$$

ANZ254-220500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions expected. N winds
25 to 35 kt with gusts up to 50 kt. Seas around 17 ft. Showers.
Vsby 1 NM or less.
.TONIGHT...Tropical storm conditions expected. NE winds 25 to
35 kt with gusts up to 50 kt. Seas around 18 ft. Areas of fog.
Showers. Vsby 1 NM or less, increasing to 1 to 3 NM after
midnight.
.FRI...Tropical storm conditions expected. NE winds 25 to 30 kt
with gusts up to 45 kt. Seas around 17 ft, subsiding to 15 ft in
the afternoon. Areas of fog. Showers likely in the morning. A
chance of showers in the afternoon. Vsby 1 NM or less.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas around 13 ft, subsiding
to 11 ft after midnight. A chance of showers. Areas of fog in the
evening with vsby 1 NM or less.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas around 9 ft, subsiding to 7 ft
in the afternoon. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 7 ft,
subsiding to 5 ft after midnight.
.SUN...NE winds 10 to 15 kt. Seas around 5 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 6 ft.
.MON...E winds 5 to 10 kt. Seas around 7 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 7 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.

$$

ANZ255-220500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions expected. N winds
25 to 35 kt with gusts up to 50 kt. Seas around 16 ft. Areas of
fog. Showers. Vsby 1 NM or less.
.TONIGHT...Tropical storm conditions expected. N winds 30 to
35 kt, becoming 25 to 35 kt after midnight. Gusts up to 50 kt.
Seas 17 to 18 ft. Areas of fog. Showers. Vsby 1 NM or less,
increasing to 1 to 3 NM after midnight.
.FRI...Tropical storm conditions expected. NE winds 25 to 30 kt
with gusts up to 45 kt. Seas around 17 ft, subsiding to 12 ft in
the afternoon. Areas of fog. Showers likely. Vsby 1 NM or less.
.FRI NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 10 to 11 ft. A chance of showers. Areas of
fog in the evening with vsby 1 NM or less.
.SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 7 to 8 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 6 to 7 ft.
.SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 6 ft.
.SUN NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 6 to 7 ft.
.MON...NE winds 5 to 10 kt. Seas around 8 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 7 to 8 ft. A chance of
showers after midnight.

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.

$$

ANZ256-220500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
25 to 30 kt with gusts up to 45 kt. Seas around 11 ft. A chance
of showers.
.TONIGHT...Tropical storm conditions expected. N winds 30 to
35 kt, becoming 25 to 35 kt after midnight. Gusts up to 50 kt.
Seas 13 to 14 ft. A chance of showers in the evening, then
showers likely after midnight.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 45 kt. Seas around 13 ft, subsiding to 11 ft in
the afternoon. Areas of fog. A chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...N winds 25 to 30 kt with gusts up to 40 kt,
diminishing to 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 9 to 10 ft. A chance of showers.
.SAT...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 8 ft. A chance of showers
in the morning.
.SAT NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Seas around 6 ft.
.SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 6 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 6 to 7 ft.
.MON...NE winds 5 to 10 kt. Seas 7 to 8 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 8 to 9 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.

$$

ANZ232-220500-
Nantucket Sound-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
25 to 30 kt with gusts up to 50 kt. Seas around 7 ft. Showers
likely. Vsby 1 to 3 NM.
.TONIGHT...Tropical storm conditions possible. NE winds 25 to
30 kt with gusts up to 50 kt. Seas around 7 ft. Showers likely.
Vsby 1 to 3 NM.
.FRI...Tropical storm conditions possible. NE winds 25 to 30 kt
with gusts up to 45 kt. Seas around 7 ft. Areas of fog. Showers
likely, mainly in the morning. Vsby 1 NM or less.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 6 ft. A chance of showers. Areas of fog in the evening with
vsby 1 to 3 NM.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft.
.SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas around 3 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 3 ft.
.MON...NE winds 5 to 10 kt. Seas around 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 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.

$$

ANZ233-220500-
Vineyard Sound-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
25 to 30 kt with gusts up to 45 kt. Seas around 6 ft. A chance of
showers.
.TONIGHT...Tropical storm conditions possible. N winds 25 to
30 kt with gusts up to 45 kt. Seas around 6 ft. Showers likely.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 45 kt. Seas around 6 ft, subsiding to 4 ft in
the afternoon. Areas of fog. A chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt, decreasing to 30 kt after
midnight. Seas around 5 ft. A chance of showers. Areas of fog in
the evening with vsby 1 to 3 NM.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas around
4 ft. A chance of showers in the morning.
.SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 3 ft.
.SUN...NE winds 10 to 15 kt. Seas around 3 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 3 ft.
.MON...NE winds 5 to 10 kt. Seas around 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 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.

$$

ANZ234-220500-
Buzzards Bay-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
20 to 25 kt with gusts up to 40 kt. Seas around 6 ft. A chance of
showers.
.TONIGHT...Tropical storm conditions possible. N winds 25 to
30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to
40 kt. Seas around 6 ft. A chance of showers.
.FRI...Tropical storm conditions possible. N winds 20 to 25 kt
with gusts up to 40 kt. Seas around 6 ft, subsiding to 4 ft in
the afternoon. Areas of fog. A chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas around 5 ft. A chance of
showers. Areas of fog in the evening.
.SAT...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas around 4 ft, subsiding to 2 ft
in the afternoon. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
becoming N 5 to 10 kt after midnight. Seas around 2 ft.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...NE winds 5 to 10 kt. Seas around 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas around 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.

$$

ANZ235-220500-
Rhode Island Sound-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
25 to 30 kt with gusts up to 45 kt. Seas around 7 ft. A chance of
showers.
.TONIGHT...Tropical storm conditions possible. N winds 25 to
30 kt with gusts up to 45 kt. Seas around 7 ft. A chance of
showers.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 45 kt. Seas around 7 ft. A chance of showers.
.FRI NIGHT...N winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas 5 to 6 ft. A chance of showers.
.SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas around
4 ft. A chance of showers in the morning.
.SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 4 ft.
.SUN...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Seas 4 to 5 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 5 ft.
.MON...NE winds 5 to 10 kt. Seas around 6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 7 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.

$$

ANZ237-220500-
Block Island Sound-
1227 PM EDT Thu Sep 21 2017

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions possible. N winds
20 to 25 kt with gusts up to 40 kt. Seas around 6 ft. A slight
chance of showers.
.TONIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 45 kt. Seas around 7 ft.
.FRI...Tropical storm conditions possible. N winds 20 to 25 kt
with gusts up to 40 kt. Seas around 7 ft. A chance of showers in
the afternoon.
.FRI NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 5 to 6 ft. A chance of
showers.
.SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 4 ft.
.SUN...NE winds 5 to 10 kt. Seas around 4 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 5 ft.
.MON...E winds 5 to 10 kt. Seas around 6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 6 to 7 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.

$$

ANZ230-220500-
Boston Harbor-
1227 PM EDT Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THIS AFTERNOON...N winds 20 to 25 kt with gusts up to 40 kt.
Waves around 5 ft, except up to 8 ft at the outer harbor
entrance.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 35 kt. Waves
around 8 ft, subsiding to 2 ft after midnight. At the outer
harbor entrance, waves around 9 ft.
.FRI...NE winds 15 to 20 kt with gusts up to 35 kt. Waves around
2 ft, building to 7 ft in the afternoon. At the outer harbor
entrance, waves around 9 ft. A chance of showers.
.FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves around 7 ft, subsiding to 3 ft
after midnight. A chance of showers in the evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Waves around 2 ft.
.SAT NIGHT...N winds around 5 kt. Waves 1 foot or less.
.SUN...N winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less.
.SUN NIGHT...SE winds around 5 kt, becoming NW around 5 kt after
midnight. Waves 1 foot or less.
.MON...NE winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less.
.MON NIGHT...E winds around 5 kt, becoming NE around 5 kt after
midnight. Waves 1 foot or less.

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.

$$

ANZ236-220500-
Narragansett Bay-
1227 PM EDT Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THIS AFTERNOON...N winds 20 to 25 kt with gusts up to 40 kt.
Waves around 5 ft. A slight chance of showers.
.TONIGHT...N winds 15 to 20 kt with gusts up to 40 kt. Waves 3 to
4 ft.
.FRI...N winds 15 to 20 kt with gusts up to 35 kt. Waves around
3 ft. A chance of showers.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves
around 3 ft. A chance of showers.
.SAT...N winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN...NE winds 5 to 10 kt. Waves around 3 ft.
.SUN NIGHT...NE winds around 5 kt. Waves around 3 ft.
.MON...NE winds around 5 kt. Waves around 3 ft.
.MON NIGHT...NE winds around 5 kt. Waves around 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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