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 170016
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
716 PM EST Fri Feb 16 2018

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

ANZ200-171300-
716 PM EST Fri Feb 16 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front sweeps across the waters with rain and fog through  the
mid evening. High pres builds across the waters overnight.  A fast
moving coastal low passes southeast of Nantucket early  Sun. Another
high pressure area will build over the waters on Mon. This high will
move offshore Tue and be trailed by a warm front  that will approach
the south coast.

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.

$$

ANZ250-171300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 PM EST Fri Feb 16 2018

...GALE WARNING IN EFFECT UNTIL 3 AM EST SATURDAY...

.TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.SAT...NW winds 10 to 15 kt with gusts up to 25 kt, becoming SE
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain and snow. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of snow showers. Vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Showers likely.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 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. A chance of showers.

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.

$$

ANZ251-171300-
Massachusetts Bay and Ipswich Bay-
716 PM EST Fri Feb 16 2018

...GALE WARNING IN EFFECT UNTIL 2 AM EST SATURDAY...

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

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.

$$

ANZ231-171300-
Cape Cod Bay-
716 PM EST Fri Feb 16 2018

...GALE WARNING IN EFFECT UNTIL 2 AM EST SATURDAY...

.TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 2 to
4 ft. A chance of showers this evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 2 to 4 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas around 2 ft. Snow and rain.
Vsby 1 NM or less.
.SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft. A chance of snow showers. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.

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.

$$

ANZ254-171300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 PM EST Fri Feb 16 2018

...GALE WARNING IN EFFECT UNTIL 3 AM EST SATURDAY...

.TONIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
7 ft. A chance of showers this evening.
.SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming E
5 to 10 kt in the afternoon. Seas 4 to 6 ft.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Rain. Vsby 1 NM or less.
.SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of snow showers. Vsby 1 NM or less.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 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 4 ft. A chance of
showers.
.MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers.
.TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 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. A chance of showers.

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.

$$

ANZ255-171300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...NW winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A chance of showers
this evening.
.SAT...N winds 10 to 15 kt with gusts up to 25 kt, becoming E
5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Rain. Vsby 1 NM or less.
.SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of snow showers. Vsby 1 to 3 NM.
.SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of
showers.
.MON NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of showers.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.

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.

$$

ANZ256-171300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of showers this evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...SE winds 10 to 15 kt, becoming NE after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft. Rain. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas
2 to 4 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. A chance of showers.
.MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Showers likely.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 5 to
7 ft.
.TUE NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
5 to 7 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.

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.

$$

ANZ232-171300-
Nantucket Sound-
716 PM EST Fri Feb 16 2018

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

.TONIGHT...NW winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 2 to 4 ft. A chance of showers
this evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Rain and snow. Vsby
1 NM or less.
.SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of snow showers. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 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 3 ft. A chance of showers.

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.

$$

ANZ233-171300-
Vineyard Sound-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY...

.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
3 ft. A chance of showers this evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...SE winds around 10 kt with gusts up to 20 kt,
becoming E after midnight. Seas around 2 ft. Rain and snow. Vsby
1 NM or less.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas around
2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. A chance of
showers.
.MON NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.

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.

$$

ANZ234-171300-
Buzzards Bay-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY...

.TONIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
3 ft. A chance of showers this evening.
.SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.
.SAT NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt, becoming
E after midnight. Seas around 2 ft. Snow and rain. Vsby 1 NM or
less.
.SUN...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.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
3 ft.
.WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.

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.

$$

ANZ235-171300-
Rhode Island Sound-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY...

.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. A slight chance of showers this evening.
.SAT...N winds 10 to 15 kt with gusts up to 20 kt, becoming SE
5 to 10 kt in the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...SE winds around 10 kt, becoming NE after midnight.
Gusts up to 20 kt. Seas around 2 ft. Rain and snow. Vsby 1 NM or
less.
.SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 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. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 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. A chance of showers.

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.

$$

ANZ237-171300-
Block Island Sound-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY...

.TONIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft. A slight chance of showers this evening.
.SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft.
.SAT NIGHT...SE winds around 10 kt, becoming NE after midnight.
Seas 2 to 3 ft. Rain and snow. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.SUN NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 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. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.

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.

$$

ANZ230-171300-
Boston Harbor-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST SATURDAY...

.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft.
.SAT...NW winds 10 to 15 kt, becoming SE 5 to 10 kt in the
afternoon. Waves around 2 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 1 foot or less. Snow. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. A chance of snow showers. Vsby 1 to 3 NM.
.SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft. A chance of showers.
.MON NIGHT...SW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft. Showers likely.
.TUE...SW winds around 10 kt with gusts up to 25 kt. Waves around
2 ft.
.TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance
of showers.

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.

$$

ANZ236-171300-
Narragansett Bay-
716 PM EST Fri Feb 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

.TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.SAT...N winds 5 to 10 kt, becoming SE in the afternoon. Waves
around 2 ft.
.SAT NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Waves around 2 ft. Snow and rain. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...W winds around 5 kt, becoming S around 5 kt after
midnight. Waves around 2 ft.
.MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.TUE NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of
showers. 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.

$$

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.