Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS51 KBOX 150617
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
117 AM EST Tue Jan 15 2019

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

ANZ200-151900-
117 AM EST Tue Jan 15 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure dominates thw waters Tueasday through Thursday.  Weak
low pressure will move across the waters Friday bringing some rain
or snow.

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.

$$

ANZ250-151900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
117 AM EST Tue Jan 15 2019

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

.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft.
.TUE...NW winds 5 to 10 kt. Seas 4 to 6 ft.
.TUE NIGHT...W winds around 5 kt, becoming SW 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of light
freezing spray.
.THU...NW winds 15 to 20 kt with gusts up to 25 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of rain and snow likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas
4 to 6 ft. Snow.

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.

$$

ANZ251-151900-
Massachusetts Bay and Ipswich Bay-
117 AM EST Tue Jan 15 2019

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

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...W winds around 5 kt, becoming SW 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 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.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Snow likely with a chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...N winds 10 to 15 kt. Seas around 2 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Snow.

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.

$$

ANZ231-151900-
Cape Cod Bay-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.THU...NW winds 10 to 15 kt with gusts up to 20 kt, becoming N
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft. Snow and 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.

$$

ANZ254-151900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
117 AM EST Tue Jan 15 2019

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

.REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft.
.TUE...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 4 to 7 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 3 to 5 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.THU...NW winds 10 to 15 kt with gusts up to 25 kt, becoming N
5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow likely.
.FRI...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of snow.
.SAT NIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Rain with snow 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.

$$

ANZ255-151900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
117 AM EST Tue Jan 15 2019

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

.REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 7 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 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 4 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Rain likely.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of snow.
.SAT NIGHT...SE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Rain with snow 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.

$$

ANZ256-151900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
117 AM EST Tue Jan 15 2019

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

.REST OF TONIGHT...NW winds around 10 kt. Seas 4 to 6 ft.
.TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 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 4 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely
with a chance of snow.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of snow.
.SAT NIGHT...SE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Rain with snow 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.

$$

ANZ232-151900-
Nantucket Sound-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds around 10 kt. Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 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.
.THU NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft. Rain with snow 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.

$$

ANZ233-151900-
Vineyard Sound-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft.
.WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.THU...N winds 10 to 15 kt, becoming NE around 5 kt in the
afternoon. Seas around 2 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft. Snow and 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.

$$

ANZ234-151900-
Buzzards Bay-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 1 foot or less.
.WED...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
1 foot or less.
.THU NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.SAT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Snow and 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.

$$

ANZ235-151900-
Rhode Island Sound-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft.
.WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the
afternoon. Seas around 2 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of snow.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain and snow.

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.

$$

ANZ237-151900-
Block Island Sound-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.WED...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of
snow and rain likely.
.FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SAT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Snow likely.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain and snow.

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.

$$

ANZ230-151900-
Boston Harbor-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less,
except 2 to 4 ft at the outer harbor entrance.
.TUE...NW winds 5 to 10 kt. Waves 1 foot or less, except 2 to
4 ft at the outer harbor entrance.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance.
.WED...SW 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.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves
1 foot or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. Snow
likely.
.FRI...SW winds 5 to 10 kt. Waves around 2 ft. Snow likely with a
chance of rain.
.FRI NIGHT...NW winds around 10 kt. Waves around 2 ft.
.SAT...N winds 5 to 10 kt. Waves 1 foot or less. Snow likely.
.SAT NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. Snow.

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.

$$

ANZ236-151900-
Narragansett Bay-
117 AM EST Tue Jan 15 2019

.REST OF TONIGHT...NW winds around 5 kt. Waves around 2 ft.
.TUE...NW winds around 5 kt. Waves around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.WED NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Snow likely.
.FRI...SW winds around 10 kt. Waves 2 to 3 ft. A chance of rain.
.FRI NIGHT...NW winds around 10 kt. Waves around 2 ft.
.SAT...NE winds 5 to 10 kt. Waves around 2 ft. Snow likely.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Snow and 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.

$$

For the latest updates, please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.