Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 180847
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
347 AM EST Sun Feb 18 2018

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

ANZ200-182130-
347 AM EST Sun Feb 18 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A fast moving coastal low will pass southeast of Nantucket early
today. High pres will build across the waters tonight and Mon.
The high will move offshore Mon night, then a warm front will
push N of the waters Tue. A cold front may push across the waters
late Wed or Wed night.

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.

$$

ANZ250-182130-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
347 AM EST Sun Feb 18 2018

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

.TODAY...NW winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Snow and rain this
morning with vsby 1 NM or less.
.TONIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 4 ft.
.MON...S winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 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.

$$

ANZ251-182130-
Massachusetts Bay and Ipswich Bay-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Snow this morning
with vsby 1 NM or less.
.TONIGHT...W winds around 5 kt, becoming SW after midnight. Seas
2 to 3 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. Seas
2 to 4 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...NE 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.

$$

ANZ231-182130-
Cape Cod Bay-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 2 PM
EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Snow this morning
with vsby 1 to 3 NM.
.TONIGHT...W winds around 5 kt, becoming SW after midnight. Seas
around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 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.

$$

ANZ254-182130-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
347 AM EST Sun Feb 18 2018

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

.TODAY...NW winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain this morning
with vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas
3 to 5 ft.
.MON...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ255-182130-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
347 AM EST Sun Feb 18 2018

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

.TODAY...NW winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Rain this morning
with vsby 1 to 3 NM.
.TONIGHT...W winds around 5 kt, becoming SW after midnight. Seas
2 to 4 ft.
.MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt in the afternoon. Seas 2 to 4 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
7 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft. A chance of showers.
.THU...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.THU NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ256-182130-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
347 AM EST Sun Feb 18 2018

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

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain this morning
with vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 4 ft.
.MON...S winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 2 to 4 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
around 4 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft. A chance of showers.
.THU...NE winds around 10 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers.
.THU NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ232-182130-
Nantucket Sound-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 2 PM
EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Snow with a chance
of rain this morning with vsby 1 to 3 NM.
.TONIGHT...W winds around 5 kt, becoming S after midnight. Seas
around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 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.

$$

ANZ233-182130-
Vineyard Sound-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 2 PM
EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Snow with a slight
chance of rain this morning with vsby 1 to 3 NM.
.TONIGHT...SW winds around 5 kt. Seas around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...NE winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
1 to 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.

$$

ANZ234-182130-
Buzzards Bay-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 2 PM
EST THIS AFTERNOON...

.TODAY...NW winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Snow this morning
with vsby 1 to 3 NM.
.TONIGHT...SW winds around 5 kt. Seas 1 foot or less.
.MON...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft.
A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...NE 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.

$$

ANZ235-182130-
Rhode Island Sound-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to
4 ft.
.TONIGHT...W winds around 5 kt, becoming S after midnight. Seas
2 to 4 ft.
.MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.
.THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ237-182130-
Block Island Sound-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
EST THIS AFTERNOON...

.TODAY...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing
to 5 to 10 kt with gusts up to 20 kt this afternoon. Seas 2 to
4 ft.
.TONIGHT...W winds around 5 kt, becoming SE after midnight. Seas
2 to 4 ft.
.MON...S winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 3 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog. Vsby 1 NM or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft.
A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 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.

$$

ANZ230-182130-
Boston Harbor-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 1 PM
EST THIS AFTERNOON...

.TODAY...NW winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Gusts up to 25 kt. Waves around 2 ft. Snow this
morning with vsby 1 NM or less.
.TONIGHT...W winds around 5 kt, becoming SW around 5 kt after
midnight. Waves 1 foot or less.
.MON...S winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft. Patchy fog. Showers likely.
.TUE...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.WED...SW winds around 10 kt with gusts up to 25 kt. Waves around
2 ft.
.WED NIGHT...W winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or
less. A chance of showers.
.THU NIGHT...N 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.

$$

ANZ236-182130-
Narragansett Bay-
347 AM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO NOON
EST TODAY...

.TODAY...NW winds 10 to 15 kt, diminishing to 5 to 10 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Snow this morning
with vsby 1 to 3 NM.
.TONIGHT...W winds around 5 kt, becoming S around 5 kt after
midnight. Waves 2 to 3 ft.
.MON...S winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
4 ft.
.WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 4 ft. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Waves 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.

$$

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