Coastal Waters Forecast
Issued by NWS Boston, MA

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356
FZUS51 KBOX 210313
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
1013 PM EST Sat Jan 20 2018

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

ANZ200-211615-
1013 PM EST Sat Jan 20 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
Large high pressure will build S of the waters this weekend.
Low pres will pass well W of the region late Monday, but its
associated front will bring periods of rain and gusty southerly
winds Mon night into Tue, shifting to W on 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.

$$

ANZ250-211615-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1013 PM EST Sat Jan 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...

.OVERNIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas
3 to 5 ft. Showers likely.
.TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the
afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 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 35 kt. Seas
4 to 6 ft. Light freezing spray.
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Freezing spray.
.THU NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft. Freezing spray.

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.

$$

ANZ251-211615-
Massachusetts Bay and Ipswich Bay-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.SUN...W winds 5 to 10 kt, diminishing to around 5 kt in the
afternoon. Seas around 2 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...NE winds around 5 kt, becoming E in the afternoon. Seas
2 to 3 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely.
.TUE...S winds 15 to 20 kt with gusts up to 40 kt. Seas 5 to
8 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 3 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 3 ft. Freezing spray.

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.

$$

ANZ231-211615-
Cape Cod Bay-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.SUN...W winds 5 to 10 kt, becoming NW in the afternoon. Seas
around 2 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...S winds around 5 kt, becoming E around 5 kt in the
afternoon. Seas 1 to 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt,
increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. A
chance of showers.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 4 ft. Freezing spray.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Freezing spray.

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.

$$

ANZ254-211615-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1013 PM EST Sat Jan 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...

.OVERNIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.MON...SW winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers.
.TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to
10 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft.
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 8 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Light freezing spray.
.THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft. Light freezing spray.

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.

$$

ANZ255-211615-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1013 PM EST Sat Jan 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...

.OVERNIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 4
to 6 ft.
.SUN...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.MON...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. A chance of
showers.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...SW winds around 20 kt with gusts up to 35 kt. Seas
7 to 10 ft. A chance of showers.
.WED...W winds around 20 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
5 to 8 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Freezing spray.

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.

$$

ANZ256-211615-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1013 PM EST Sat Jan 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY...

.OVERNIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds around 5 kt. Seas 2 to 3 ft.
.MON...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of
showers.
.TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to
10 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 7 to 10 ft.
.WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
5 to 8 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Light freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Light freezing spray.

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.

$$

ANZ232-211615-
Nantucket Sound-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
3 ft.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon. Seas
around 2 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...SE winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 4 ft. Freezing spray.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft. Freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. Freezing spray.

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.

$$

ANZ233-211615-
Vineyard Sound-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt. Seas around 2 ft.
.MON...E winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers.
.MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.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 35 kt. Seas 3 to
5 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 4 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft. Freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 3 ft. Freezing spray.

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.

$$

ANZ234-211615-
Buzzards Bay-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...W winds around 5 kt. Seas around 2 ft.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.
.MON...E winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of showers.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...W winds 10 to 15 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
5 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.THU...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.THU NIGHT...NW winds 10 to 15 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.

$$

ANZ235-211615-
Rhode Island Sound-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds around 5 kt. Seas around 2 ft.
.MON...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of
showers.
.TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to
9 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 5 ft. Freezing spray.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Freezing spray.
.THU NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
2 to 3 ft. Freezing spray.

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.

$$

ANZ237-211615-
Block Island Sound-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds around 5 kt. Seas around 2 ft.
.MON...E winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers.
.MON NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 4 ft. Showers likely.
.TUE...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. Rain. Vsby 1 to
3 NM.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.WED...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 5 ft.
.THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft. Freezing spray.
.THU 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.

$$

ANZ230-211615-
Boston Harbor-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN...W winds around 5 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less.
.MON...E winds around 5 kt. Waves 1 foot or less. A chance of
showers.
.MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Showers
likely.
.TUE...S winds 5 to 10 kt. Gusts up to 30 kt, increasing to 40 kt
in the afternoon. Waves 2 to 3 ft, except 4 to 6 ft at the outer
harbor entrance. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.
.WED...W winds 10 to 15 kt with gusts up to 30 kt. Waves around
2 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Waves
around 2 ft.
.THU...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.THU 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.

$$

ANZ236-211615-
Narragansett Bay-
1013 PM EST Sat Jan 20 2018

.OVERNIGHT...W winds around 5 kt. Waves around 2 ft.
.SUN...W winds around 5 kt. Waves around 2 ft.
.SUN NIGHT...NW winds around 5 kt. Waves around 2 ft.
.MON...E winds around 5 kt. Waves around 2 ft. A chance of
showers.
.MON NIGHT...SE winds 5 to 10 kt. Waves 2 to 3 ft. Showers
likely.
.TUE...S winds 15 to 20 kt with gusts up to 40 kt. Waves 3 to
5 ft, except 5 to 8 ft at the bay entrance. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
3 to 5 ft.
.WED...W winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
4 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves
2 to 3 ft.
.THU...NW winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
3 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Waves
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.

$$
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