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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 200201
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EDT Fri Aug 19 2022

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

ANZ200-201500-
1001 PM EDT Fri Aug 19 2022

Synopsis for Massachusetts and Rhode Island coastal waters

Bermuda high pres continues through the weekend bringing pleasant
boating weather to our region. An upper level disturbance will
likely bring some showers and perhaps a few thunderstorms Mon into
Tue along with some fog at times too. A ridge of high pres should
take control of our waters again by Wed and Thu.



ANZ250-201500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
3 ft.

SAT
SW winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Seas around 2 ft.

SUN NIGHT
SE winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas around 2 ft. A chance of showers.

MON
SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

MON NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

TUE
S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ251-201500-
Massachusetts Bay and Ipswich Bay-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT
SW winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. Seas around 2 ft.

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

MON
SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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

TUE AND TUE NIGHT
S winds 5 to 10 kt. Seas around 2 ft. A
chance of showers.

WED AND WED NIGHT
SW winds around 5 kt. Seas 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.



ANZ231-201500-
Cape Cod Bay-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds 5 to 10 kt. Seas 1 foot or less.

SAT NIGHT
S winds 5 to 10 kt. Seas 1 foot or less.

SUN
S winds 5 to 10 kt. Seas 1 foot or less.

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

MON
SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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

TUE
S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt. Seas 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.



ANZ254-201500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds around 10 kt. Gusts up to 20 kt. Seas 2 to
3 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
SE winds around 10 kt. Seas 2 to 3 ft. A chance of
showers.

MON
SE winds 5 to 10 kt. Seas 2 to 3 ft.

MON NIGHT
S winds 5 to 10 kt. Seas around 3 ft. Showers
likely.

TUE
S winds 5 to 10 kt. Seas around 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ255-201500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
E winds around 10 kt. Seas 2 to 3 ft.

MON
SE winds 5 to 10 kt. Seas around 3 ft. A chance of
showers.

MON NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

TUE
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ256-201500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds around 10 kt. Gusts up to 20 kt. Seas 2 to
3 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
SE winds around 10 kt. Seas 2 to 3 ft.

MON
SE winds around 10 kt. Seas around 3 ft. A chance of
showers.

MON NIGHT
S winds 5 to 10 kt. Seas around 3 ft. Showers
likely.

TUE
SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ232-201500-
Nantucket Sound-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 1 foot or less.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
SE winds around 10 kt. Seas around 2 ft.

MON
SE winds around 10 kt. Seas around 2 ft. A chance of
showers.

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

TUE
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ233-201500-
Vineyard Sound-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds around 5 kt, increasing to around 10 kt in the
afternoon. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 1 foot or less.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
SE winds around 10 kt. Seas around 2 ft.

MON
SE winds around 10 kt. Seas around 2 ft. A chance of
showers.

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

TUE
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ234-201500-
Buzzards Bay-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds around 5 kt, increasing to around 10 kt in the
afternoon. Seas 1 foot or less.

SAT NIGHT
S winds 5 to 10 kt. Seas 1 foot or less.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

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

MON
SE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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

TUE
SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 10 kt. Seas 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.



ANZ235-201500-
Rhode Island Sound-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT AND MON
SE winds 5 to 10 kt. Seas 2 to 3 ft. A
chance of showers.

MON NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

TUE
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ237-201500-
Block Island Sound-
1001 PM EDT Fri Aug 19 2022

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft.

SAT
SW winds 5 to 10 kt. Seas around 2 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft.

SUN
SE winds 5 to 10 kt. Seas around 2 ft.

SUN NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

MON
E winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 3 ft. A chance of showers.

MON NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely.

TUE
SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW 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.



ANZ230-201500-
Boston Harbor-
1001 PM EDT Fri Aug 19 2022

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

SAT
SW winds around 5 kt, becoming SE in the afternoon. Waves
1 foot or less.

SAT NIGHT
S winds 5 to 10 kt. Waves 1 foot or less.

SUN
S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft
in the afternoon.

SUN NIGHT
SE winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.

MON
E winds around 5 kt. Waves 1 foot or less. A chance of
showers.

MON NIGHT
S winds around 5 kt. Waves 1 foot or less. Showers
likely.

TUE AND TUE NIGHT
SW winds around 5 kt. A chance of showers.

WED AND WED NIGHT
SW winds around 5 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.



ANZ236-201500-
Narragansett Bay-
1001 PM EDT Fri Aug 19 2022

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

SAT
S winds 5 to 10 kt. Waves 1 foot or less.

SAT NIGHT
S winds 5 to 10 kt. Waves 1 foot or less.

SUN
SE winds 5 to 10 kt. Waves around 2 ft.

SUN NIGHT
SE winds 5 to 10 kt. Waves 2 to 3 ft.

MON
E winds 5 to 10 kt, becoming SE in the afternoon. Waves
2 to 3 ft. A chance of showers.

MON NIGHT
S winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely.

TUE
SW winds 5 to 10 kt. A chance of showers.

TUE NIGHT THROUGH WED NIGHT
SW winds 5 to 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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