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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 201817
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
117 PM EST Mon Nov 20 2017

COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO
25 NM

ANZ200-210700-
117 PM EST Mon Nov 20 2017

Synopsis for Massachusetts and Rhode Island coastal waters

Inbetween a deep low pres system over eastern Quebec and strong
high pres building to our south, WNW gales will blow across the
waters this afternoon. High pres will move off the mid-Atlantic
coast tonight and Tue then be followed by another cold front  moving
across New England Wed. High pres builds over the waters  Thu and
Fri.   

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.



ANZ250-210700-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 20 to 25 kt with gusts up to 45 kt.
Seas 5 to 7 ft.

TONIGHT
W winds 20 to 25 kt with gusts up to 40 kt, becoming
SW 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to
7 ft.

TUE
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
6 ft.

TUE NIGHT
SW winds 15 to 20 kt. Gusts up to 35 kt, decreasing
to 25 kt after midnight. Seas 3 to 5 ft. A chance of showers.

WED
SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM.

WED NIGHT
NW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.

THU
NW winds 10 to 15 kt. Seas 3 to 5 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.

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

FRI NIGHT
W 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.



ANZ251-210700-
Massachusetts Bay and Ipswich Bay-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 20 to 25 kt with gusts up to 40 kt.
Seas 3 to 4 ft.

TONIGHT
W winds 15 to 20 kt with gusts up to 35 kt, becoming
SW 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to
4 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
4 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts up to 30 kt. Seas
2 to 4 ft.

WED
SW winds 5 to 10 kt, becoming NW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft. Showers. Vsby 1 to
3 NM.

WED NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft.

THU
W winds 5 to 10 kt. Seas 2 to 3 ft.

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

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

FRI NIGHT
W winds 10 to 15 kt with gusts up to 20 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.



ANZ231-210700-
Cape Cod Bay-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 15 to 20 kt with gusts up to 40 kt.
Seas 3 to 5 ft.

TONIGHT
W winds 10 to 15 kt with gusts up to 35 kt, becoming
SW 5 to 10 kt with gusts up to 25 kt after midnight. Seas 3 to
5 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft.

TUE NIGHT
SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of
showers.

WED
SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Showers. Vsby 1 to 3 NM.

WED NIGHT
NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of
showers.

THU
NW winds 10 to 15 kt. Seas 2 to 3 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.

FRI
W winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or
less.

FRI NIGHT
W winds 5 to 10 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.



ANZ254-210700-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 15 to 20 kt with gusts up to 40 kt.
Seas 5 to 8 ft.

TONIGHT
W winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 4 to 7 ft.

TUE
SW winds 10 to 15 kt with gusts up to 35 kt. Seas 4 to
6 ft.

TUE NIGHT
SW winds 15 to 20 kt. Gusts up to 35 kt, decreasing
to 25 kt after midnight. Seas 3 to 5 ft. A chance of showers.

WED
S winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 to
3 NM.

WED NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Showers likely.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.

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

FRI NIGHT
W winds 5 to 10 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.



ANZ255-210700-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 20 to 25 kt with gusts up to 40 kt.
Seas 6 to 9 ft.

TONIGHT
W winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 6 to 9 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to
8 ft.

TUE NIGHT
SW winds 15 to 20 kt. Gusts up to 35 kt, decreasing
to 25 kt after midnight. Seas 5 to 8 ft. A chance of showers.

WED
S winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM.

WED NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. A chance of showers.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.

FRI
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

FRI NIGHT
W winds around 10 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.



ANZ256-210700-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 20 to 25 kt with gusts up to 40 kt.
Seas 6 to 8 ft.

TONIGHT
W winds 20 to 25 kt with gusts up to 40 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 5 to 8 ft.

TUE
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to
9 ft.

TUE NIGHT
SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A chance of
showers.

WED
SW winds 10 to 15 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Showers.

WED NIGHT
N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 5 ft.

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

FRI NIGHT
W 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.



ANZ232-210700-
Nantucket Sound-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts up to 35 kt.
Seas 3 to 4 ft.

TONIGHT
W winds 10 to 15 kt with gusts up to 35 kt,
diminishing to 5 to 10 kt with gusts up to 25 kt after midnight.
Seas 3 to 5 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft.

TUE NIGHT
SW winds 15 to 20 kt. Gusts up to 35 kt, decreasing
to 25 kt after midnight. Seas 3 to 5 ft. A chance of showers.

WED
S winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Showers. Vsby 1 to 3 NM.

WED NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of
showers.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

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

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

FRI NIGHT
W winds 5 to 10 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.



ANZ233-210700-
Vineyard Sound-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 15 to 20 kt with gusts up to 35 kt.
Seas 3 to 5 ft.

TONIGHT
W winds 15 to 20 kt with gusts up to 35 kt, becoming
SW 10 to 15 kt with gusts up to 25 kt after midnight. Seas 3 to
5 ft.

TUE
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft.

TUE NIGHT
SW winds 15 to 20 kt. Gusts up to 35 kt, decreasing
to 25 kt after midnight. Seas 4 to 6 ft. A chance of showers.

WED
SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. A chance of showers.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.

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

FRI NIGHT
W winds 10 to 15 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.



ANZ234-210700-
Buzzards Bay-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 15 to 20 kt with gusts up to 35 kt.
Seas 3 to 4 ft.

TONIGHT
W winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.

TUE
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft.

TUE NIGHT
SW winds 15 to 20 kt with gusts up to 35 kt,
diminishing to 10 to 15 kt with gusts up to 25 kt after midnight.
Seas 2 to 4 ft. A chance of showers.

WED
SW winds 5 to 10 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Showers.

WED NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft.

THU
NW winds 5 to 10 kt. Seas around 2 ft.

THU NIGHT
W winds 5 to 10 kt. Seas around 2 ft.

FRI
W winds 5 to 10 kt. Seas around 2 ft.

FRI NIGHT
W winds 5 to 10 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.



ANZ235-210700-
Rhode Island Sound-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 20 to 25 kt with gusts up to 40 kt.
Seas 4 to 6 ft.

TONIGHT
W winds 20 to 25 kt with gusts up to 40 kt, becoming
SW 15 to 20 kt with gusts up to 25 kt after midnight. Seas 4 to
7 ft.

TUE
SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 6 to 9 ft.

TUE NIGHT
SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. A chance of
showers.

WED
SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Showers.

WED NIGHT
NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

THU NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.

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

FRI NIGHT
W 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.



ANZ237-210700-
Block Island Sound-
117 PM EST Mon Nov 20 2017

GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts up to 40 kt.
Seas 3 to 5 ft.

TONIGHT
W winds 10 to 15 kt. Gusts up to 35 kt, decreasing to
25 kt after midnight. Seas 4 to 6 ft.

TUE
SW winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to
7 ft.

TUE NIGHT
SW winds 15 to 20 kt with gusts up to 35 kt. Seas
4 to 7 ft. A chance of showers.

WED
W winds 10 to 15 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 2 to 4 ft. Showers likely.

WED NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

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

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

FRI NIGHT
W winds 10 to 15 kt with gusts up to 20 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.



ANZ230-210700-
Boston Harbor-
117 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 15 to 20 kt with gusts up to 35 kt.
Waves around 2 ft.

TONIGHT
SW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to
20 kt after midnight. Waves around 2 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Waves around
2 ft.

TUE NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Waves around 2 ft. A chance of
showers.

WED
SW winds 5 to 10 kt, becoming NW with gusts up to 20 kt in
the afternoon. Waves 1 foot or less. Showers.

WED NIGHT
NW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.

THU
W winds 5 to 10 kt. Waves 1 foot or less.

THU NIGHT
SW winds 5 to 10 kt. Waves 1 foot or less.

FRI
W winds 5 to 10 kt. Waves 1 foot or less.

FRI NIGHT
SW winds 5 to 10 kt. Waves 1 foot or less. 

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.



ANZ236-210700-
Narragansett Bay-
117 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts up to 30 kt.
Waves 2 to 3 ft.

TONIGHT
W winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 30 kt. Waves 2 to 4 ft.

TUE
SW winds 10 to 15 kt with gusts up to 30 kt. Waves 3 to
5 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts up to 30 kt. Waves
3 to 5 ft. A chance of showers.

WED
SW winds 5 to 10 kt, becoming NW in the afternoon. Gusts
up to 20 kt. Waves 2 to 3 ft. Showers.

WED NIGHT
NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 2 to 3 ft.

THU
NW winds 5 to 10 kt. Waves 2 to 3 ft.

THU NIGHT
W winds 5 to 10 kt. Waves 2 to 3 ft.

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

FRI NIGHT
W winds 5 to 10 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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