Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

143
FZUS51 KBOX 210224
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
1024 PM EDT Wed Sep 20 2017

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

ANZ200-211515-
1024 PM EDT Wed Sep 20 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. 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.

$$

ANZ250-211515-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. NE winds 20 to
25 kt with gusts up to 35 kt. Seas 12 to 13 ft. Patchy fog. Vsby
1 NM or less, increasing to 1 to 3 NM.
.THU...Tropical storm conditions possible. NE winds around 25 kt
with gusts up to 45 kt. Seas 15 to 16 ft. Patchy fog in the
morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in
the morning.
.THU NIGHT...Tropical storm conditions possible. NE winds 25 to
30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to
45 kt. Seas around 17 ft. A chance of showers.
.FRI...Tropical storm conditions possible. NE winds 25 to 30 kt
with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up
to 30 kt in the afternoon. Seas around 16 ft, subsiding to 13 ft
in the afternoon. 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.
.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 around 4 ft.
.SUN NIGHT...NE winds around 5 kt. Seas 3 to 4 ft.
.MON...E winds 5 to 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 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.

$$

ANZ251-211515-
Massachusetts Bay and Ipswich Bay-
1024 PM EDT Wed Sep 20 2017

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

.OVERNIGHT...N winds 15 to 20 kt, increasing to 20 to 25 kt.
Gusts up to 35 kt. Seas 9 to 10 ft. Patchy fog. Vsby 1 to 3 NM.
.THU...NE winds 20 to 25 kt with gusts up to 40 kt. Seas 12 to
13 ft. Patchy fog in the morning with vsby 1 to 3 NM.
.THU NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 45 kt, increasing to 40 kt after
midnight. Seas 14 to 15 ft. A chance of showers after midnight.
.FRI...NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas around 13 ft, subsiding to 9 ft in the afternoon.
A chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 8 ft.
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas around 6 ft, subsiding to 4 ft
in the afternoon.
.SAT NIGHT...NE winds 5 to 10 kt. Seas around 3 ft.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...E winds around 5 kt, becoming NE around 5 kt after
midnight. Seas around 2 ft.
.MON...E winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...E 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.

$$

ANZ231-211515-
Cape Cod Bay-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 35 kt. Seas around 8 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.THU...Tropical storm conditions possible. N winds 20 to 25 kt
with gusts up to 45 kt. Seas around 10 ft. A chance of showers in
the morning, then rain in the afternoon. Patchy fog in the
morning. Vsby 1 to 3 NM.
.THU NIGHT...Tropical storm conditions possible. NE winds 20 to
25 kt with gusts up to 45 kt. Seas 10 to 11 ft. Rain likely in
the evening, then a chance of showers 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. 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 6 to 7 ft. A chance of
showers. Vsby 1 to 3 NM 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 3 to 4 ft.
.SAT NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.SUN...NE winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.MON...NE winds 5 to 10 kt. Seas around 2 ft.
.MON NIGHT...E 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.

$$

ANZ254-211515-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions expected. NE winds 25 to
35 kt with gusts up to 45 kt. Seas around 17 ft. Patchy fog.
Rain. Vsby 1 NM or less.
.THU...Tropical storm conditions expected. NE winds 25 to 35 kt
with gusts up to 55 kt. Seas around 18 ft, building to 20 ft in
the afternoon. Rain. Patchy fog in the morning. Vsby 1 to 3 NM.
.THU NIGHT...Tropical storm conditions expected. NE winds 25 to
35 kt with gusts up to 55 kt. Seas 20 to 21 ft. Rain in the
evening, then a chance of showers after midnight. Patchy fog in
the evening. Vsby 1 to 3 NM.
.FRI...Tropical storm conditions expected. NE winds 25 to 30 kt.
Gusts up to 45 kt in the morning. Seas around 17 ft, subsiding to
14 ft in the afternoon. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
around 12 ft, subsiding to 10 ft after midnight. A chance of
showers. Vsby 1 NM or less in the evening.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to
8 ft. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 6 ft.
.SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas around 6 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 5 to 6 ft.
.MON...NE winds 5 to 10 kt. Seas around 6 ft.
.MON NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. 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.

$$

ANZ255-211515-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions expected. N winds 25 to
35 kt with gusts up to 50 kt. Seas 16 to 17 ft. Patchy fog. Rain.
Vsby 1 NM or less.
.THU...Tropical storm conditions expected. N winds 25 to 35 kt
with gusts up to 55 kt. Seas 18 to 19 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.THU NIGHT...Tropical storm conditions expected. N winds 30 to
35 kt, becoming 25 to 35 kt after midnight. Gusts up to 55 kt.
Seas around 21 ft, subsiding to 19 ft after midnight. Patchy fog.
Rain. Vsby 1 to 3 NM.
.FRI...Tropical storm conditions expected. NE winds 25 to 30 kt
with gusts up to 45 kt. Seas around 15 ft, subsiding to 13 ft in
the afternoon. A chance of showers. Vsby 1 NM or less.
.FRI NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Seas around 12 ft, subsiding to 10 ft after
midnight. A chance of showers. Vsby 1 to 3 NM in the evening.
.SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 9 ft, subsiding to 7 ft
in the afternoon. A chance of showers in the morning.
.SAT NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas around 7 ft.
.SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 7 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 6 ft.
.MON...NE winds around 10 kt. Seas around 7 ft.
.MON NIGHT...NE winds 10 to 15 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.

$$

ANZ256-211515-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 25 to
30 kt with gusts up to 45 kt. Seas 10 to 11 ft. Patchy fog. Rain
likely, then a chance of showers. Vsby 1 to 3 NM.
.THU...Tropical storm conditions expected. N winds 25 to 30 kt,
increasing to 30 to 35 kt in the afternoon. Gusts up to 50 kt.
Seas 10 to 11 ft. A chance of showers in the morning. Rain in the
afternoon. Patchy fog in the morning. Vsby 1 to 3 NM.
.THU NIGHT...Tropical storm conditions expected. N winds 30 to
35 kt, becoming 25 to 35 kt after midnight. Gusts up to 50 kt.
Seas 12 to 13 ft. A chance of showers.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 45 kt. Seas around 12 ft. A chance of showers.
Vsby 1 to 3 NM.
.FRI NIGHT...NE winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. Gusts up to 40 kt. Seas around 11 ft. A chance of
showers. Vsby 1 to 3 NM in the evening.
.SAT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 8 to 9 ft. A chance of showers
in the morning.
.SAT NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas around 7 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around
7 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 7 ft.
.MON...NE winds around 10 kt. Seas around 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 7 to 8 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.

$$

ANZ232-211515-
Nantucket Sound-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 40 kt. Seas around 6 ft, building to 8 ft.
Patchy fog. Rain. Vsby 1 to 3 NM.
.THU...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 50 kt. Seas 8 to 9 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.THU NIGHT...Tropical storm conditions possible. NE winds 25 to
30 kt with gusts up to 50 kt. Seas around 8 ft. Rain in the
evening, then a chance of showers after midnight. Vsby 1 to 3 NM.
.FRI...Tropical storm conditions possible. NE winds 25 to 30 kt.
Gusts up to 45 kt in the morning. Seas around 7 ft. A chance of
showers. Vsby 1 NM or less.
.FRI NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas
around 6 ft. A chance of showers. Vsby 1 NM or less in the
evening.
.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. 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 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 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.

$$

ANZ233-211515-
Vineyard Sound-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 40 kt. Seas around 6 ft. Patchy fog. Rain
likely. A chance of showers. Vsby 1 to 3 NM.
.THU...Tropical storm conditions possible. N winds 25 to 30 kt
with gusts up to 45 kt. Seas around 6 ft. Patchy fog. A chance of
showers in the morning, then rain likely in the afternoon.
.THU NIGHT...Tropical storm conditions expected. N winds 25 to
35 kt with gusts up to 50 kt. Seas around 6 ft. Rain in the
evening, then a chance of showers after midnight.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt,
diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt.
Seas around 6 ft, subsiding to 4 ft in the afternoon. 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. Seas around 4 ft. A chance of
showers. Vsby 1 to 3 NM in the evening.
.SAT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft.
.SUN...NE winds around 10 kt. Seas around 4 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 4 ft.
.MON...NE winds 5 to 10 kt. Seas around 4 ft.
.MON NIGHT...NE winds around 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.

$$

ANZ234-211515-
Buzzards Bay-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 40 kt. Seas around 6 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.THU...Tropical storm conditions possible. N winds 20 to 25 kt,
increasing to 25 to 30 kt in the afternoon. Gusts up to 45 kt.
Seas around 6 ft. A chance of showers in the morning, then rain
likely in the afternoon. Patchy fog in the morning.
.THU NIGHT...Tropical storm conditions possible. N winds 25 to
30 kt with gusts up to 45 kt. Seas around 6 ft. Rain likely in
the evening, then a chance of showers after midnight.
.FRI...Tropical storm conditions possible. N winds 20 to 25 kt
with gusts up to 40 kt. Seas around 6 ft, subsiding to 3 ft in
the afternoon. 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 3 ft. A chance of
showers. Vsby 1 to 3 NM 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 3 ft. A chance of
showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.SUN...NE winds 5 to 10 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 3 ft.
.MON NIGHT...NE 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.

$$

ANZ235-211515-
Rhode Island Sound-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...Tropical storm conditions possible. N winds 25 to
30 kt with gusts up to 40 kt. Seas around 8 ft. Patchy fog. A
chance of showers this evening. Vsby 1 to 3 NM.
.THU...Tropical storm conditions expected. N winds 25 to 35 kt
with gusts up to 45 kt. Seas around 7 ft.
.THU NIGHT...Tropical storm conditions expected. N winds 25 to
35 kt with gusts up to 50 kt. Seas around 8 ft. A chance of
showers.
.FRI...Tropical storm conditions possible. N winds 25 to 30 kt.
Gusts up to 45 kt in the morning. Seas 6 to 7 ft. A chance of
showers. Vsby 1 to 3 NM.
.FRI NIGHT...N winds 25 to 30 kt, becoming NE 20 to 25 kt after
midnight. Seas around 6 ft. A chance of showers. Vsby 1 to 3 NM
in the evening.
.SAT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
6 ft. A chance of showers in the morning.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 5 ft.
.SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas around 5 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 6 ft.
.MON...NE winds 5 to 10 kt. Seas around 6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas around 6 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.

$$

ANZ237-211515-
Block Island Sound-
1024 PM EDT Wed Sep 20 2017

...TROPICAL STORM WARNING IN EFFECT...

.OVERNIGHT...N winds 15 to 20 kt with gusts up to 35 kt. Seas
7 to 8 ft. A slight chance of showers.
.THU...N winds 15 to 20 kt with gusts up to 40 kt. Seas around
7 ft.
.THU NIGHT...Tropical storm conditions possible. N winds 20 to
25 kt with gusts up to 45 kt. Seas around 8 ft.
.FRI...Tropical storm conditions possible. N winds 20 to 25 kt,
increasing to 25 to 30 kt in the afternoon. Gusts up to 40 kt.
Seas around 7 ft.
.FRI NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas
around 7 ft. A chance of showers after midnight.
.SAT...NE winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
6 ft.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas
around 5 ft.
.SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas around 5 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas around 5 ft.
.MON...NE winds 5 to 10 kt. Seas around 5 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas around 6 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.

$$

ANZ230-211515-
Boston Harbor-
1024 PM EDT Wed Sep 20 2017

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

.OVERNIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft, except up to 8 ft at the outer harbor entrance.
Patchy fog. Vsby 1 to 3 NM.
.THU...NE winds 15 to 20 kt with gusts up to 35 kt. Waves around
2 ft. At the outer harbor entrance, waves around 9 ft, building
to 11 ft in the afternoon.
.THU NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 40 kt. Waves around 2 ft, except up to
12 ft at the outer harbor entrance.
.FRI...NE winds 15 to 20 kt. Gusts up to 35 kt. Waves around
5 ft. At the outer harbor entrance, waves around 10 ft, subsiding
to 6 ft in the afternoon. A chance of showers. Vsby 1 to 3 NM in
the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Waves
around 4 ft.
.SAT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft.
.SUN...NE winds around 5 kt. Waves 1 foot or less.
.SUN NIGHT...E winds around 5 kt, becoming N around 5 kt after
midnight. Waves 1 foot or less.
.MON...NE winds around 5 kt. Waves 1 foot or less.
.MON NIGHT...E winds around 5 kt. 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.

$$

ANZ236-211515-
Narragansett Bay-
1024 PM EDT Wed Sep 20 2017

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

.OVERNIGHT...N winds 15 to 20 kt with gusts up to 35 kt. Waves
around 3 ft, except 5 to 6 ft at the bay entrance. Patchy fog. A
slight chance of showers. Vsby 1 to 3 NM.
.THU...N winds 15 to 20 kt with gusts up to 40 kt. Waves around
3 ft.
.THU NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Waves
around 3 ft, except up to 6 ft at the bay entrance. A chance of
showers after midnight.
.FRI...N winds 15 to 20 kt. Gusts up to 40 kt, decreasing to
30 kt in the afternoon. Waves around 3 ft. A chance of showers in
the afternoon with vsby 1 to 3 NM.
.FRI NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves
around 3 ft. A chance of showers. Vsby 1 to 3 NM in the evening.
.SAT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around
3 ft.
.SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 3 ft.
.SUN...NE winds 5 to 10 kt. Waves around 3 ft.
.SUN NIGHT...N winds around 5 kt. Waves around 3 ft.
.MON...NE winds 5 to 10 kt. Waves around 3 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves 3 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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.