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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 141217
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
716 AM EST Thu Nov 14 2019

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

ANZ200-150100-
716 AM EST Thu Nov 14 2019

Synopsis for Massachusetts and Rhode Island coastal waters

High pressure over eastern New England will move offshore today. A
very weak low pres trough will move over the waters this evening. A
strong cold front will move across the waters Fri  night followed by
strong high pres building to the north on Sat with gale force wind
gusts possible. On Sunday, high pres will  remain to our north while
an ocean storm approaches from the  south then passes southeast of
the waters Sunday night into Mon.  

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.



ANZ250-150100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EST Thu Nov 14 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY AFTERNOON...

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of
showers this afternoon.

TONIGHT
S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.

FRI
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.

FRI NIGHT
W winds 20 to 25 kt, becoming N 25 to 30 kt after
midnight. Seas 4 to 7 ft.

SAT
N winds 25 to 30 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 6 to 9 ft.

SAT NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft.

SUN
E winds 15 to 20 kt. Seas 6 to 9 ft.

SUN NIGHT
NE winds 20 to 25 kt. Seas 9 to 14 ft. A chance of
rain.

MON
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 11 to
16 ft. A chance of rain.

MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas
8 to 11 ft. A chance of 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.



ANZ251-150100-
Massachusetts Bay and Ipswich Bay-
716 AM EST Thu Nov 14 2019

TODAY
SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of
showers this afternoon.

TONIGHT
S winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft.

FRI
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

FRI NIGHT
W winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 2 to 4 ft.

SAT AND SAT NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 7 ft.

SUN
NE winds 15 to 20 kt. Seas 4 to 7 ft.

SUN NIGHT
NE winds 20 to 25 kt. Seas 7 to 10 ft. A chance of
rain.

MON
NE winds 20 to 25 kt. Seas 9 to 12 ft. A chance of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas
6 to 9 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.



ANZ231-150100-
Cape Cod Bay-
716 AM EST Thu Nov 14 2019

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. A slight chance of
showers this afternoon.

TONIGHT
S winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas around 2 ft. A chance of showers.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

FRI NIGHT
W winds 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.

SAT AND SAT NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt.
Seas 4 to 7 ft.

SUN
E winds 15 to 20 kt. Seas 4 to 6 ft.

SUN NIGHT AND MON
NE winds 20 to 25 kt. Seas 7 to 10 ft. A
chance of rain.

MON NIGHT
N winds 15 to 20 kt. Seas 4 to 7 ft. A chance of
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.



ANZ254-150100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EST Thu Nov 14 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY AFTERNOON...

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft.

TONIGHT
S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.

FRI
W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.

FRI NIGHT
W winds 15 to 20 kt with gusts up to 25 kt, becoming
N 25 to 30 kt with gusts up to 35 kt after midnight. Seas 5 to
8 ft.

SAT
N winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 8 to 11 ft.

SAT NIGHT
NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 6 to 9 ft.

SUN
E winds 20 to 25 kt. Seas 8 to 11 ft.

SUN NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas
10 to 15 ft. A chance of rain.

MON
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 11 to
16 ft. A chance of rain.

MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas
8 to 13 ft. A chance of 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.



ANZ255-150100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EST Thu Nov 14 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY AFTERNOON...

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 4 ft. A slight chance of
showers this afternoon.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.

FRI
W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 3 to 5 ft.

FRI NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt,
becoming N 25 to 30 kt with gusts up to 35 kt after midnight.
Seas 5 to 8 ft.

SAT AND SAT NIGHT
NE winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 9 ft.

SUN
E winds 25 to 30 kt. Seas 8 to 11 ft.

SUN NIGHT
NE winds 25 to 30 kt. Seas 9 to 14 ft. A chance of
rain.

MON
NE winds 25 to 30 kt. Seas 8 to 13 ft. A chance of rain.

MON NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft. A chance of 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.



ANZ256-150100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 4 ft. A slight chance of
showers this afternoon.

TONIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 4 ft. A chance of showers.

FRI
W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 4 ft.

FRI NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt,
becoming N 25 to 30 kt with gusts up to 35 kt after midnight.
Seas 4 to 7 ft.

SAT AND SAT NIGHT
NE winds 25 to 30 kt with gusts up to 40 kt.
Seas 6 to 9 ft.

SUN
NE winds 25 to 30 kt. Seas 8 to 11 ft.

SUN NIGHT AND MON
NE winds 25 to 30 kt. Seas 9 to 13 ft. A
chance of rain.

MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas
7 to 10 ft. A chance of 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.



ANZ232-150100-
Nantucket Sound-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of
showers this afternoon.

TONIGHT
S winds 10 to 15 kt with gusts up to 20 kt, becoming W
5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers.

FRI
W 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.

FRI NIGHT
NW winds 15 to 20 kt, becoming N 25 to 30 kt with
gusts up to 35 kt after midnight. Seas 2 to 4 ft.

SAT AND SAT NIGHT
NE winds 25 to 30 kt with gusts up to 35 kt.
Seas 4 to 6 ft.

SUN
E winds 20 to 25 kt. Seas 4 to 7 ft.

SUN NIGHT AND MON
NE winds 20 to 25 kt with gusts up to 30 kt.
Seas 6 to 9 ft. A chance of rain.

MON NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 7 ft. A chance of 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.



ANZ233-150100-
Vineyard Sound-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. A chance of showers
this afternoon.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

FRI NIGHT
NW winds 15 to 20 kt, becoming N 20 to 25 kt with
gusts up to 30 kt after midnight. Seas 2 to 4 ft.

SAT AND SAT NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt.
Seas 3 to 5 ft.

SUN
NE winds 20 to 25 kt. Seas 4 to 6 ft.

SUN NIGHT AND MON
NE winds 20 to 25 kt. Seas 5 to 8 ft. A
chance of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of 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.



ANZ234-150100-
Buzzards Bay-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less. A chance of
showers this afternoon.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas around 2 ft. A chance of
showers.

FRI
W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft.

FRI NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt,
becoming N 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 2 to 3 ft.

SAT
N winds 20 to 25 kt, becoming NE 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft.

SAT NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft.

SUN
NE winds 20 to 25 kt. Seas 4 to 6 ft.

SUN NIGHT AND MON
NE winds 20 to 25 kt. Seas 4 to 7 ft. A
chance of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 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.



ANZ235-150100-
Rhode Island Sound-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of
showers this afternoon.

TONIGHT
W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas 2 to 4 ft. A chance of showers.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

FRI NIGHT
NW winds 15 to 20 kt, becoming N 20 to 25 kt with
gusts up to 35 kt after midnight. Seas 3 to 5 ft.

SAT AND SAT NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt.
Seas 4 to 6 ft.

SUN
NE winds 20 to 25 kt. Seas 6 to 9 ft.

SUN NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas
7 to 10 ft. A chance of rain.

MON
N winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. A chance of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of 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.



ANZ237-150100-
Block Island Sound-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of
showers this afternoon.

TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 2 to 4 ft.

FRI
W 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.

FRI NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt,
becoming N 20 to 25 kt with gusts up to 30 kt after midnight.
Seas 3 to 5 ft.

SAT AND SAT NIGHT
NE winds 20 to 25 kt with gusts up to 35 kt.
Seas 4 to 7 ft.

SUN
NE winds 20 to 25 kt. Seas 6 to 9 ft.

SUN NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas
8 to 11 ft. A chance of rain.

MON
N winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to
10 ft. A chance of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 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.



ANZ230-150100-
Boston Harbor-
716 AM EST Thu Nov 14 2019

TODAY
S winds 5 to 10 kt. Waves around 2 ft.

TONIGHT
SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves around 2 ft.

FRI
SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves around 2 ft.

FRI NIGHT
W winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 30 kt. Waves around 2 ft.

SAT AND SAT NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft.

SUN
NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft, except 4 to 6 ft at the outer harbor entrance.

SUN NIGHT AND MON
NE winds 15 to 20 kt. Waves 2 to 3 ft,
except 6 to 9 ft at the outer harbor entrance. A chance of rain.

MON NIGHT
N winds 10 to 15 kt. Waves around 2 ft, except 4 to
7 ft at the outer harbor entrance. 

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.



ANZ236-150100-
Narragansett Bay-
716 AM EST Thu Nov 14 2019

TODAY
SE winds 5 to 10 kt, becoming S with gusts up to 20 kt
this afternoon. Waves around 2 ft. A slight chance of showers
this afternoon.

TONIGHT
W winds 5 to 10 kt. Waves 2 to 3 ft.

FRI
W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft.

FRI NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt,
becoming N 15 to 20 kt with gusts up to 30 kt after midnight.
Waves 2 to 3 ft.

SAT AND SAT NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft.

SUN
NE winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft, except 4 to 6 ft at the bay entrance.

SUN NIGHT AND MON
NE winds 15 to 20 kt with gusts up to 25 kt.
Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. A chance
of rain.

MON NIGHT
N winds 10 to 15 kt with gusts up to 20 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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