Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 161217
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
717 AM EST Sat Dec 16 2017

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

ANZ200-170100-
717 AM EST Sat Dec 16 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will cross the waters this evening. High pres builds
over New Eng Sun, then a warm front will lift across the waters
Mon. Another cold front will sweep across New Eng and the coastal
waters Tue night followed by gusty winds Wed.

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.

$$

ANZ250-170100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of
flurries.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain
and snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of showers.
.WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 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.

$$

ANZ251-170100-
Massachusetts Bay and Ipswich Bay-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of snow
and drizzle. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ231-170100-
Cape Cod Bay-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. A chance
of flurries.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of rain
and snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ254-170100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 4 to 7 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 15 to 20 kt after midnight. Seas 4 to 7 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 4 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. A chance of flurries.
.MON...SW winds 5 to 10 kt. Seas around 2 ft. A chance of rain
and snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 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.

$$

ANZ255-170100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 4 ft.
.SUN NIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.MON...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. A chance
of rain and drizzle. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.WED...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 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.

$$

ANZ256-170100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.TONIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 4 to 7 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.SUN NIGHT...NW winds 5 to 10 kt, becoming SW after midnight.
Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM.
.MON...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance
of drizzle. Vsby 1 to 3 NM.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.TUE...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.WED...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 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.

$$

ANZ232-170100-
Nantucket Sound-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of
rain, drizzle and snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ233-170100-
Vineyard Sound-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...SW winds around 5 kt. Seas 1 foot or less.
.MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less. Patchy fog. A chance of rain, drizzle and
snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ234-170100-
Buzzards Bay-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...S winds around 5 kt, becoming SW in the afternoon. Seas
1 foot or less. A chance of rain, drizzle and snow. Vsby 1 to
3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ235-170100-
Rhode Island Sound-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 3 to 5 ft.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 4 ft.
.SUN NIGHT...NW winds around 5 kt, becoming SW around 5 kt after
midnight. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM.
.MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. A chance of rain, drizzle and snow. Vsby 1 to
3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ237-170100-
Block Island Sound-
717 AM EST Sat Dec 16 2017

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

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 3 to 5 ft.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Seas 2 to 3 ft.
.SUN NIGHT...NW winds around 5 kt, becoming SW after midnight.
Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM.
.MON...S winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft. A chance of drizzle and snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ230-170100-
Boston Harbor-
717 AM EST Sat Dec 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

.TODAY...W winds 10 to 15 kt, increasing to 15 to 20 kt this
afternoon. Gusts up to 25 kt. Waves around 2 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance
of snow. Vsby 1 to 3 NM.
.MON...SW winds around 5 kt. Waves 1 foot or less. A chance of
snow. Vsby 1 to 3 NM.
.MON NIGHT...W winds around 5 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 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.

$$

ANZ236-170100-
Narragansett Bay-
717 AM EST Sat Dec 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

.TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.TONIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...NW winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less. A chance of snow. Vsby 1 to 3 NM.
.MON...S winds around 5 kt, becoming SW around 5 kt in the
afternoon. Waves 1 foot or less. A chance of drizzle and snow.
Vsby 1 to 3 NM.
.MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.WED...W winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 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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