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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 240054
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
854 PM EDT Wed Aug 23 2017

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

ANZ200-241315-
854 PM EDT Wed Aug 23 2017

Synopsis for Massachusetts and Rhode Island coastal waters

Large high pres will then build in from the west Thu and remain
in control through the weekend resulting in quiet weather.
         
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.



ANZ250-241315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
854 PM EDT Wed Aug 23 2017

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

THU
NW winds 5 to 10 kt with gusts up to 20 kt, becoming E in
the afternoon. Seas 2 to 3 ft.

THU NIGHT
S winds around 5 kt, becoming NW after midnight.
Seas 2 to 3 ft.

FRI
NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog.
Vsby 1 NM or less.

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

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

SAT NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 foot or less.

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

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

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

MON NIGHT
NE 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.



ANZ251-241315-
Massachusetts Bay and Ipswich Bay-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
W winds 5 to 10 kt, becoming NW. Gusts up to 20 kt.
Seas 1 to 2 ft.

THU
NW winds around 5 kt, becoming SE in the afternoon. Seas
1 to 2 ft.

THU NIGHT
S winds around 5 kt, becoming NW after midnight.
Seas around 2 ft.

FRI
NE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
W winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

SAT
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
1 foot or less.

SAT NIGHT
S winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

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

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

MON
NE winds 5 to 10 kt. Seas 1 foot or less.

MON NIGHT
NE 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.



ANZ231-241315-
Cape Cod Bay-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds around 5 kt. Seas 1 to 2 ft.

THU
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
1 foot or less.

THU NIGHT
SE winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

FRI
N winds 5 to 10 kt. Seas 1 foot or less. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

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

SAT NIGHT
S winds around 5 kt, becoming W after midnight. Seas
1 foot or less.

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

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

MON
NE winds 5 to 10 kt. Seas 1 foot or less.

MON NIGHT
NE winds 5 to 10 kt. Seas 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.



ANZ254-241315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
4 ft.

THU
N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 4 ft.

THU NIGHT
SE winds around 5 kt, becoming W after midnight.
Seas 2 to 3 ft.

FRI
N winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog. Vsby
1 NM or less.

FRI NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.

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

SAT NIGHT
S winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft.

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

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

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

MON NIGHT
NE 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.



ANZ255-241315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
4 ft.

THU
NW winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft.

THU NIGHT
S winds around 5 kt, becoming NW after midnight.
Seas 2 to 3 ft.

FRI
N winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog. Vsby
1 NM or less.

FRI NIGHT
NW winds 5 to 10 kt. Seas around 2 ft.

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

SAT NIGHT
SE winds around 5 kt, becoming SW around 5 kt after
midnight. Seas 1 foot or less.

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

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

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

MON NIGHT
NE 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.



ANZ256-241315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Seas 3 to
4 ft.

THU
N winds 5 to 10 kt with gusts up to 20 kt, becoming W in
the afternoon. Seas around 3 ft.

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

FRI
NW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog.
Vsby 1 NM or less.

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

SAT
N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft.

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

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

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

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 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.



ANZ232-241315-
Nantucket Sound-
854 PM EDT Wed Aug 23 2017

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

THU
N winds around 5 kt, becoming W in the afternoon. Seas
around 2 ft.

THU NIGHT
S winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

FRI
N winds 5 to 10 kt. Seas 1 foot or less. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.

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

SAT NIGHT
S winds around 5 kt, becoming W after midnight. Seas
1 foot or less.

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

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

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

MON NIGHT
NE 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.



ANZ233-241315-
Vineyard Sound-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Seas 1 to
2 ft.

THU
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
1 to 2 ft.

THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 foot or less.

FRI
N winds 5 to 10 kt. Seas 1 foot or less. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
W winds around 5 kt, becoming N after midnight. Seas
1 foot or less.

SAT
N winds 5 to 10 kt, becoming NW in the afternoon. Seas
1 foot or less.

SAT NIGHT
S winds around 5 kt, becoming SW after midnight.
Seas 1 foot or less.

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

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

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

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



ANZ234-241315-
Buzzards Bay-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds around 5 kt. Seas 1 to 2 ft.

THU
NW winds around 5 kt, becoming SW in the afternoon. Seas
1 to 2 ft.

THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas 1 foot or less.

FRI
N winds 5 to 10 kt. Seas 1 foot or less. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.
Seas 1 foot or less.

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

SAT NIGHT
S winds around 5 kt, becoming W after midnight. Seas
1 foot or less.

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

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

MON
NE winds 10 to 15 kt. Seas 1 foot or less.

MON NIGHT
NE winds 5 to 10 kt. Seas 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.



ANZ235-241315-
Rhode Island Sound-
854 PM EDT Wed Aug 23 2017

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

THU
N winds 5 to 10 kt with gusts up to 20 kt, becoming SW in
the afternoon. Seas 2 to 3 ft.

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

FRI
N winds 5 to 10 kt, becoming NW in the afternoon. Seas
2 to 3 ft. Patchy dense fog. Vsby 1 NM or less.

FRI NIGHT
W winds 5 to 10 kt, becoming N after midnight. Seas
1 foot or less.

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

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

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

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

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

MON NIGHT
NE 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.



ANZ237-241315-
Block Island Sound-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds around 5 kt. Seas 2 to 3 ft.

THU
N winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft.

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

FRI
N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to
3 ft. Patchy dense fog. Vsby 1 NM or less.

FRI NIGHT
NW winds 5 to 10 kt. Seas 1 foot or less.

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

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

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

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

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

MON NIGHT
NE winds 5 to 10 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.



ANZ230-241315-
Boston Harbor-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
W winds around 5 kt. Waves 1 foot or less.

THU
NW winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less.

THU NIGHT
E winds around 5 kt, becoming N around 5 kt after
midnight. Waves 1 foot or less.

FRI
N winds around 5 kt. Waves 1 foot or less. Patchy dense
fog. Vsby 1 NM or less.

FRI NIGHT
NW winds around 5 kt. Waves 1 foot or less.

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

SAT NIGHT
S winds around 5 kt, becoming NW after midnight.
Waves 1 foot or less.

SUN
NE winds around 5 kt. Waves 1 foot or less.

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

MON
NE winds 5 to 10 kt. Waves 1 foot or less.

MON NIGHT
NE winds around 5 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.



ANZ236-241315-
Narragansett Bay-
854 PM EDT Wed Aug 23 2017

OVERNIGHT
NW winds around 5 kt. Waves around 2 ft.

THU
NW winds around 5 kt, becoming SW in the afternoon. Waves
around 2 ft.

THU NIGHT
W winds around 5 kt, becoming N after midnight.
Waves around 2 ft.

FRI
NW winds around 5 kt. Waves around 2 ft. Patchy dense fog.
Vsby 1 NM or less.

FRI NIGHT
NW winds around 5 kt. Waves 1 foot or less.

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

SAT NIGHT
S winds around 5 kt, becoming W around 5 kt after
midnight. Waves 1 foot or less.

SUN
NE winds around 5 kt. Waves 1 foot or less.

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

MON
NE winds 5 to 10 kt. Waves 1 foot or less.

MON NIGHT
NE 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.



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