Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 200818
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
318 AM EST Tue Feb 20 2018

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

ANZ200-202130-
318 AM EST Tue Feb 20 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
Persistent SW flow expected through Wed. A cold front will cross
the waters Wed night. Strong high pres builds to the north Thu as
a wave of low pres tracks to the south. The high pres moves east
of Nova Scotia Fri with a frontal system moving into the waters.
Another high pres builds to the north Sat.

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.

$$

ANZ250-202130-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
318 AM EST Tue Feb 20 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog this morning. A slight chance of showers this
morning with vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby
1 NM or less.
.WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 3 to 5 ft.
.THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. A chance of rain and snow.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.SAT NIGHT...N 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.

$$

ANZ251-202130-
Massachusetts Bay and Ipswich Bay-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft. Patchy fog this morning with vsby 1 NM
or less.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW after midnight. Seas 2 to 3 ft.
.THU...N winds 5 to 10 kt. Seas around 2 ft. A chance of rain and
snow.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.SAT NIGHT...N winds 5 to 10 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.

$$

ANZ231-202130-
Cape Cod Bay-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of fog this morning, then patchy fog this afternoon.
Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of dense fog. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW 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. A chance of rain.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
rain and snow.
.FRI...E winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of rain.
.SAT NIGHT...NE winds 5 to 10 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.

$$

ANZ254-202130-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
318 AM EST Tue Feb 20 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Areas of fog this morning, then patchy fog this afternoon.
A slight chance of showers this morning. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Areas of dense fog. A chance of heavy drizzle. Vsby 1 NM or
less.
.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Areas of fog. Vsby
1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 25 kt. Seas 4 to 6 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...N 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.

$$

ANZ255-202130-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
318 AM EST Tue Feb 20 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Areas of fog this morning, then patchy fog this afternoon.
A slight chance of showers this morning. Vsby 1 NM or less.
.TONIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Areas of dense fog. A chance of heavy drizzle. Vsby
1 NM or less.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 4 to 6 ft. A chance of rain.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of rain.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...S winds around 10 kt. Seas 2 to 4 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Rain likely.

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.

$$

ANZ256-202130-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
318 AM EST Tue Feb 20 2018

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

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Areas of fog this morning, then patchy fog this afternoon.
A slight chance of showers this morning. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Areas of dense fog. A chance of heavy drizzle. Vsby 1 NM or
less.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 15 to 20 kt, becoming NW around 10 kt after
midnight. Seas 4 to 6 ft. A chance of rain.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain and freezing rain.
.FRI NIGHT...S winds around 10 kt. Seas 2 to 4 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Rain likely.

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.

$$

ANZ232-202130-
Nantucket Sound-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of fog this morning, then patchy fog this afternoon.
A slight chance of showers this morning. Vsby 1 NM or less.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of dense fog. A chance of heavy drizzle. Vsby 1 NM or
less.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Areas of fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming NW after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.
.FRI...E winds around 10 kt. Seas around 2 ft. A chance of rain.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.
.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
2 to 3 ft. Rain likely.

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.

$$

ANZ233-202130-
Vineyard Sound-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Areas of fog this morning, then patchy fog this afternoon.
A slight chance of showers this morning. Vsby 1 NM or less.
.TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Areas of dense fog. A chance of heavy drizzle. Vsby
1 NM or less.
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. Areas of fog. Vsby
1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW after midnight. Seas 2 to 4 ft. A chance of rain.
.THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.THU NIGHT...NE winds around 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. A chance of rain.
.FRI...E winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of rain.
.FRI NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of
rain.
.SAT...W winds 5 to 10 kt. Seas around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Rain likely.

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.

$$

ANZ234-202130-
Buzzards Bay-
318 AM EST Tue Feb 20 2018

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

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.

$$

ANZ235-202130-
Rhode Island Sound-
318 AM EST Tue Feb 20 2018

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

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

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.

$$

ANZ237-202130-
Block Island Sound-
318 AM EST Tue Feb 20 2018

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

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.

$$

ANZ230-202130-
Boston Harbor-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.WED NIGHT...W winds 5 to 10 kt, becoming NW after midnight.
Waves around 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 foot or less. A chance of rain
and snow.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less.
.FRI...E winds 5 to 10 kt. Waves 1 foot or less. A chance of
rain.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance
of rain.
.SAT...W winds around 5 kt. Waves 1 foot or less. A chance of
rain.
.SAT NIGHT...N winds 5 to 10 kt. Waves around 2 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.

$$

ANZ236-202130-
Narragansett Bay-
318 AM EST Tue Feb 20 2018

.TODAY...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A
chance of heavy drizzle. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. Patchy fog. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt, becoming N after midnight.
Waves 2 to 4 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves around 2 ft. A chance of rain.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance
of rain.
.FRI...E winds 5 to 10 kt. Waves around 2 ft. A chance of rain.
.FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A
chance of rain. Vsby 1 NM or less.
.SAT...W winds around 5 kt. Waves around 2 ft. A chance of rain.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog.
Rain likely. Vsby 1 to 3 NM.

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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