Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 211056
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
556 AM EST Wed Feb 21 2018

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

ANZ200-212315-
556 AM EST Wed Feb 21 2018

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

Persistent SW flow is expected through today. A cold front will
cross the waters tonight. Strong high pressure builds to the
north Thursday as a wave of low pres tracks to the south bringing
rain. The high pressure moves east of Nova Scotia Friday with a
series of frontal system sweeping the waters through the weekend.
A more quiet pattern into the following week.

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.

$$

ANZ250-212315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Areas of dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N after midnight. Gusts
up to 25 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Rain, snow and sleet likely. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. Rain likely with a
chance of freezing rain.
.FRI NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Seas 2 to 3 ft. Rain likely.
.SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain and freezing rain.
.SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
9 ft. Rain with freezing rain likely.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 8 ft. A chance of rain.

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.

$$

ANZ251-212315-
Massachusetts Bay and Ipswich Bay-
556 AM EST Wed Feb 21 2018

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft.
.THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Snow, sleet likely
with a chance of rain. Vsby 1 NM or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
snow and sleet.
.FRI...E winds 5 to 10 kt. Seas around 2 ft. Rain likely with a
chance of freezing rain.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Rain likely.
.SAT...NW winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Rain and freezing rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Rain with freezing rain likely.
.SUN NIGHT...W winds 5 to 10 kt. Seas 4 to 6 ft. A chance of
rain.

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.

$$

ANZ231-212315-
Cape Cod Bay-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Areas of dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N after midnight. Gusts
up to 20 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Rain with sleet
likely. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain and sleet. Vsby 1 to 3 NM.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less. Rain likely.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less. Rain likely.
.SAT...NW winds 5 to 10 kt. Seas 1 foot or less.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.

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.

$$

ANZ254-212315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of dense fog. A chance of drizzle this morning. Vsby
1 NM or less.
.TONIGHT...W winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby
1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Rain likely. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft. Rain likely.
.SAT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Rain likely.
.SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. Rain.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 5 to 8 ft. A chance of
rain.

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.

$$

ANZ255-212315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of dense fog. A chance of drizzle. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt, becoming N after midnight. Gusts
up to 20 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Rain likely. Vsby
1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Rain likely with a chance of freezing rain.
.FRI NIGHT...SE winds around 10 kt, becoming SW after midnight.
Seas 2 to 4 ft. Rain likely.
.SAT...NW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely.
.SUN...E winds around 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft. A chance of rain.

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.

$$

ANZ256-212315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around
5 ft. Areas of dense fog. A chance of drizzle this morning. Vsby
1 NM or less.
.TONIGHT...SW winds 10 to 15 kt, becoming N after midnight. Gusts
up to 20 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Rain likely with a chance of freezing rain.
.FRI NIGHT...SE winds around 10 kt, becoming SW after midnight.
Seas around 3 ft. Rain likely.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely.
.SUN...E winds 15 to 20 kt. Seas 4 to 7 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 7 ft. A chance of rain.

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.

$$

ANZ232-212315-
Nantucket Sound-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of dense fog. A chance of drizzle. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N after midnight. Gusts
up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain likely. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Rain likely
with a chance of sleet. Vsby 1 to 3 NM.
.FRI...E winds around 10 kt. Seas 2 to 3 ft. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas around 2 ft. Rain likely.
.SAT...NW winds 5 to 10 kt. Seas around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of rain.

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.

$$

ANZ233-212315-
Vineyard Sound-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of dense fog.
A chance of drizzle this morning. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N after midnight. Gusts
up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Rain
likely with a chance of sleet. Vsby 1 to 3 NM.
.FRI...E winds around 10 kt. Seas 1 foot or less. Rain likely.
.FRI NIGHT...SE winds around 10 kt, becoming SW after midnight.
Seas 1 foot or less. Rain likely.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Rain likely.
.SUN...E winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of rain.

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.

$$

ANZ234-212315-
Buzzards Bay-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 NM or less.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain and sleet. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Rain and
sleet likely. Vsby 1 to 3 NM.
.FRI...E winds 5 to 10 kt. Seas 1 foot or less. Rain likely.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 1 foot or less. Rain likely.
.SAT...NW winds 5 to 10 kt. Seas 1 foot or less.
.SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.

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.

$$

ANZ235-212315-
Rhode Island Sound-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Areas of dense fog
this morning, then patchy fog this afternoon. A chance of drizzle
this morning. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N
after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of rain and sleet. Vsby 1 to
3 NM.
.FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Rain likely with a chance of freezing rain.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 2 to 3 ft. Rain likely.
.SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of rain.

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.

$$

ANZ237-212315-
Block Island Sound-
556 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Areas of dense fog this morning, then patchy fog this
afternoon. A chance of drizzle this morning. Vsby 1 NM or less.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM
or less.
.THU...NE winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. Rain likely with a
chance of freezing rain.
.FRI NIGHT...SE winds 5 to 10 kt, becoming SW after midnight.
Seas 2 to 3 ft. Rain likely.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely.
.SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Rain.
.SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
rain.

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.

$$

ANZ230-212315-
Boston Harbor-
556 AM EST Wed Feb 21 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft. Patchy fog this morning with vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft.
.THU...NE winds 5 to 10 kt. Waves 1 foot or less. Snow, sleet
likely with a chance of rain. Vsby 1 to 3 NM.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less. A chance
of snow and sleet.
.FRI...E winds 5 to 10 kt. Waves 1 foot or less. Rain likely.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less. Rain likely.
.SAT...NW winds 5 to 10 kt. Waves 1 foot or less.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. Rain likely.
.SUN...E winds around 10 kt. Waves 2 to 4 ft. Rain.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance. A chance of rain.

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.

$$

ANZ236-212315-
Narragansett Bay-
556 AM EST Wed Feb 21 2018

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. Areas of dense fog this morning, then patchy fog this
afternoon. Vsby 1 NM or less.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Waves
2 to 3 ft. Patchy fog. Vsby 1 NM or less.
.THU...NE winds 5 to 10 kt. Waves around 2 ft. Rain and sleet.
Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
rain and sleet.
.FRI...E winds 5 to 10 kt. Waves around 2 ft. Rain likely.
.FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves around 2 ft. Rain likely.
.SAT...NW winds 5 to 10 kt. Waves around 2 ft.
.SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Rain likely.
.SUN...E winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Rain.
.SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
rain.

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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