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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 040543
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1243 AM EST Sun Dec 4 2022

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

ANZ200-041815-
1243 AM EST Sun Dec 4 2022

Synopsis for Massachusetts and Rhode Island coastal waters

Northwest gusts will ease this morning. High pressure builds
south of the waters today into Tuesday followed by the passage of
a possible coastal low Wednesday.



ANZ250-041815-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON


REST OF TONIGHT
NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft.

SUN NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft.

MON
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.

MON NIGHT
S winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW. Gusts up
to 30 kt. Seas 4 to 6 ft. Rain.

THU AND THU NIGHT
NW winds 10 to 15 kt, becoming N 15 to
20 kt. Gusts up to 25 kt. Seas 5 to 7 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.



ANZ251-041815-
Massachusetts Bay and Ipswich Bay-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft.

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

MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 4 to 6 ft. Rain.

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



ANZ231-041815-
Cape Cod Bay-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.

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

MON
S winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 4 to 5 ft. Rain.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. A chance of rain.

THU NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 6 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.



ANZ254-041815-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON


REST OF TONIGHT
NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 5 to 8 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 7 ft.

SUN NIGHT
NW winds 5 to 10 kt, becoming W after midnight. 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 3 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

TUE
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of rain.

TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. Rain likely.

WED AND WED NIGHT
SE winds 15 to 20 kt, becoming SW. Gusts up
to 25 kt. Seas 5 to 6 ft. Rain.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. A chance of rain.

THU NIGHT
N winds around 15 kt with gusts up to 20 kt. Seas
6 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.



ANZ255-041815-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON


REST OF TONIGHT
NW winds around 20 kt with gusts up to 30 kt.
Seas 6 to 9 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft.

SUN NIGHT
NW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 2 to 4 ft.

MON
S winds 5 to 10 kt. Seas around 2 ft.

MON NIGHT
SE winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.

TUE
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of rain.

TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. Rain likely.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 4 to 6 ft. Rain.

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

THU NIGHT
N winds 15 to 20 kt. Seas 5 to 7 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.



ANZ256-041815-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON


REST OF TONIGHT
NW winds 20 to 25 kt with gusts up to 30 kt.
Seas 6 to 9 ft.

SUN
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft.

SUN NIGHT
NW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft.

MON
S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas 5 to 6 ft. Rain.

THU
NW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of rain.

THU NIGHT
N winds 15 to 20 kt. Seas 4 to 6 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.



ANZ232-041815-
Nantucket Sound-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft.

SUN
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.

SUN NIGHT
NW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.

MON
S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

TUE
SE winds around 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of rain.

TUE NIGHT
SE winds 15 to 20 kt. Seas 3 to 4 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 3 to 5 ft. Rain.

THU
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. A chance of rain.

THU NIGHT
N winds around 15 kt with gusts up to 20 kt. Seas
4 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.



ANZ233-041815-
Vineyard Sound-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 5 ft.

SUN
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.

SUN NIGHT
W winds around 5 kt. Seas around 2 ft.

MON
S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 3 to 4 ft. Rain.

THU
NW winds around 10 kt. Seas 3 to 4 ft. A chance of rain.

THU NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.



ANZ234-041815-
Buzzards Bay-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 10 to 15 kt with gusts up to 30 kt.
Seas 3 to 5 ft.

SUN
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft.

SUN NIGHT
W winds around 5 kt. Seas around 2 ft.

MON
S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft.

TUE AND TUE NIGHT
SE winds around 15 kt with gusts up to
20 kt. Seas 2 to 4 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 3 to 4 ft. Rain.

THU
NW winds around 10 kt. Seas 3 to 5 ft. A chance of rain.

THU NIGHT
N winds 10 to 15 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.



ANZ235-041815-
Rhode Island Sound-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 7 ft.

SUN
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.

SUN NIGHT
NW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.

MON
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to
15 kt. Gusts up to 25 kt. Seas 4 to 5 ft. Rain.

THU AND THU NIGHT
NW winds 10 to 15 kt. Gusts up to 20 kt.
Seas around 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.



ANZ237-041815-
Block Island Sound-
1243 AM EST Sun Dec 4 2022

SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING


REST OF TONIGHT
NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 6 ft.

SUN
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.

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

MON
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft.

MON NIGHT
S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.

TUE AND TUE NIGHT
SE winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Rain.

WED AND WED NIGHT
S winds 15 to 20 kt, becoming W 10 to 15 kt.
Gusts up to 25 kt. Seas 4 to 5 ft. Rain.

THU AND THU NIGHT
NW winds 10 to 15 kt. Gusts up to 20 kt.
Seas 3 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.



ANZ230-041815-
Boston Harbor-
1243 AM EST Sun Dec 4 2022

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST EARLY THIS
MORNING...

REST OF TONIGHT
W winds 15 to 20 kt with gusts up to 30 kt.
Waves around 2 ft.

SUN
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft.

SUN NIGHT
SW winds around 5 kt. Waves 1 foot or less.

MON
S winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft.

MON NIGHT
S winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft.

TUE AND TUE NIGHT
SE winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. Rain.

WED AND WED NIGHT
S winds 10 to 15 kt, becoming SW 5 to 10 kt.
Gusts up to 20 kt. Rain.

THU AND THU NIGHT
NW winds around 10 kt. 

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.



ANZ236-041815-
Narragansett Bay-
1243 AM EST Sun Dec 4 2022

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST EARLY THIS
MORNING...

REST OF TONIGHT
NW winds 10 to 15 kt with gusts up to 30 kt.
Waves 2 to 3 ft.

SUN
NW winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to
3 ft.

SUN NIGHT
W winds around 5 kt. Waves around 2 ft in the
evening, then 1 foot or less.

MON
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.

MON NIGHT
S winds 5 to 10 kt, becoming SE 10 to 15 kt with
gusts up to 20 kt after midnight. Waves 2 to 3 ft.

TUE AND TUE NIGHT
SE winds 10 to 15 kt with gusts up to 25 kt.
Waves 2 to 4 ft. Rain.

WED
S winds 10 to 15 kt with gusts up to 25 kt. Rain.

WED NIGHT
W winds 5 to 10 kt with gusts up to 20 kt. Rain
likely.

THU AND THU NIGHT
NW winds around 10 kt. 

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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