National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 280516
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
116 AM EDT Wed Oct 28 2020

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

ANZ200-281800-
116 AM EDT Wed Oct 28 2020

Synopsis for Massachusetts and Rhode Island coastal waters

High pressure builds into New England this evening. A weak area of
low pressure tracks south of the waters overnight into Wednesday
morning. The remnants of Tropical Storm Zeta move over the waters
late Thursday into Friday with a period of Northeast gales. High
pressure follows Friday evening into Saturday. 

For additional information on possible hazardous weather for the
week ahead, please visit www.weather.gov/boston/ehwo.

ANZ250-281800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. A slight
chance of showers.

WED
E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Rain
likely. Vsby 1 NM or less.

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

THU
NW winds 10 to 15 kt, becoming N 5 to 10 kt in the
afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
10 ft. Rain. Vsby 1 NM or less.

FRI NIGHT
N winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 7 to 10 ft.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
9 ft.

SAT NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.

SUN AND SUN NIGHT
S winds around 15 kt, becoming W. Gusts up
to 25 kt. Seas 4 to 7 ft. A chance of showers. 

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.

ANZ251-281800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
NE winds 5 to 10 kt. Seas around 2 ft. A
chance of showers.

WED
E winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Patchy fog. Rain likely. Vsby 1 to 3 NM.

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

THU
NW winds 5 to 10 kt, becoming N in the afternoon. Seas
around 2 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 7 to 10 ft. Rain. Vsby 1 NM or
less.

FRI NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 6 to 9 ft.

SAT AND SAT NIGHT
N winds 10 to 15 kt with gusts up to 20 kt,
becoming S 5 to 10 kt. Seas 4 to 7 ft.

SUN AND SUN NIGHT
S winds 10 to 15 kt, becoming W. Gusts up to
25 kt. Seas 3 to 5 ft. A chance of showers. 

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.

ANZ231-281800-
Cape Cod Bay-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
NE winds around 5 kt. Seas 1 foot or less. A
slight chance of showers.

WED
SE winds 5 to 10 kt, becoming S with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Patchy fog. Rain. Vsby 1 to
3 NM.

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

THU
NW winds 5 to 10 kt, becoming N in the afternoon. Seas
around 2 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 5 to 8 ft. Rain. Vsby 1 to
3 NM.

FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft. A chance of showers.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

SAT NIGHT
S winds 5 to 10 kt. Seas 2 to 4 ft.

SUN
S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.

SUN NIGHT
W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers. 

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.

ANZ254-281800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
NE winds around 5 kt. Seas 3 to 4 ft. A slight
chance of showers.

WED
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft. Patchy fog. Rain
likely. Vsby 1 NM or less.

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

THU
NW winds 5 to 10 kt, becoming N in the afternoon. Seas
2 to 4 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to
11 ft. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 8 to 11 ft. A chance of showers.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to
10 ft.

SAT NIGHT
SE winds 10 to 15 kt. Seas 5 to 7 ft.

SUN
S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.

SUN NIGHT
W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers. 

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.

ANZ255-281800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
E winds around 5 kt. Seas 3 to 4 ft. A slight
chance of showers.

WED
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft. Patchy fog. A chance
of rain. Vsby 1 to 3 NM.

WED NIGHT
W winds 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft.

THU
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 4 ft. Patchy fog. Rain. Vsby 1 NM or less.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 7 ft. Patchy fog. Rain. Vsby 1 NM or less.

FRI
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to
10 ft. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 7 to 10 ft. A chance of showers.

SAT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
8 ft.

SAT NIGHT
SE winds around 10 kt. Seas 4 to 6 ft.

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

SUN NIGHT
W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers. 

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.

ANZ256-281800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft. A slight
chance of showers.

WED
S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft. Patchy fog. A chance
of rain. Vsby 1 to 3 NM.

WED NIGHT
W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft.

THU
N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 7 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to
11 ft. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 7 to 10 ft.

SAT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
7 ft.

SAT NIGHT AND SUN
SE winds around 10 kt, becoming S with gusts
up to 25 kt. Seas 4 to 6 ft. A chance of showers.

SUN NIGHT
W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. A chance of showers. 

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.

ANZ232-281800-
Nantucket Sound-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
NE winds around 5 kt. Seas 1 foot or less. A
slight chance of showers.

WED
SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. Rain
likely. Vsby 1 to 3 NM.

WED NIGHT
W winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.

THU
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to
8 ft. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 20 to 25 kt with gusts up to 35 kt,
diminishing to 15 to 20 kt with gusts up to 25 kt after midnight.
Seas 5 to 8 ft. A chance of showers.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 4 ft.

SUN
S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of showers.

SUN NIGHT
W winds around 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers. 

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.

ANZ233-281800-
Vineyard Sound-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
E winds around 5 kt. Seas 1 foot or less. A
slight chance of showers.

WED
SE winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas around 2 ft. Patchy fog. Rain. Vsby 1 to
3 NM.

WED NIGHT
W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.

THU
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt,
increasing to 20 to 25 kt with gusts up to 40 kt after midnight.
Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to
7 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. A chance of showers.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft.

SUN
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.

SUN NIGHT
W winds around 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers. 

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.

ANZ234-281800-
Buzzards Bay-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
E winds around 5 kt. Seas 1 foot or less. A
slight chance of showers.

WED
SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less. Patchy fog. Rain. Vsby 1 to 3 NM.

WED NIGHT
W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.

THU
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt,
increasing to 20 to 25 kt with gusts up to 35 kt after midnight.
Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to
6 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 4 to 6 ft.

SAT
N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.

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

SUN AND SUN NIGHT
S winds 10 to 15 kt, becoming W. Gusts up to
25 kt. Seas 2 to 4 ft. A chance of showers. 

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.

ANZ235-281800-
Rhode Island Sound-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
E winds around 5 kt. Seas 2 to 3 ft. A slight
chance of showers.

WED
SE winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

WED NIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 3 to 4 ft.

THU
NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to
8 ft. Rain. Vsby 1 to 3 NM.

FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft.

SAT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 4 ft.

SUN AND SUN NIGHT
S winds 10 to 15 kt, becoming W. Gusts up to
25 kt. Seas 4 to 6 ft. A chance of showers. 

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.

ANZ237-281800-
Block Island Sound-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
SE winds around 5 kt. Seas 2 to 3 ft. A slight
chance of showers.

WED
SE winds 5 to 10 kt, becoming SW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

WED NIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.

THU
N winds 5 to 10 kt, becoming NE with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt,
increasing to 25 to 30 kt with gusts up to 40 kt after midnight.
Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

FRI
NE winds 25 to 30 kt, becoming N 20 to 25 kt in the
afternoon. Gusts up to 45 kt. Seas 6 to 9 ft. Rain. Vsby 1 to
3 NM.

FRI NIGHT
N winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft.

SAT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.

SUN AND SUN NIGHT
SW winds 10 to 15 kt, becoming W. Gusts up
to 25 kt. Seas 4 to 6 ft. A chance of showers. 

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.

ANZ230-281800-
Boston Harbor-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
N winds 5 to 10 kt. Waves 1 foot or less. A
chance of showers.

WED
E winds 5 to 10 kt, becoming S in the afternoon. Waves
1 foot or less. Patchy fog. Rain. Vsby 1 to 3 NM.

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

THU
NW winds 5 to 10 kt, becoming N in the afternoon. Waves
1 foot or less. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt,
increasing to 20 to 25 kt with gusts up to 35 kt after midnight.
Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM.

FRI
NE winds 20 to 25 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Waves 2 to 3 ft, except 4 to 7 ft
at the outer harbor entrance. Rain with a chance of snow showers.
Vsby 1 to 3 NM.

FRI NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft, except 4 to 7 ft at the outer harbor entrance.

SAT AND SAT NIGHT
N winds 5 to 10 kt, becoming S. Waves around
2 ft, then 1 foot or less. At the outer harbor entrance, waves
3 to 5 ft.

SUN AND SUN NIGHT
S winds 5 to 10 kt, becoming W. Gusts up to
20 kt. Waves around 2 ft. A chance of showers. 

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.

ANZ236-281800-
Narragansett Bay-
116 AM EDT Wed Oct 28 2020

REST OF TONIGHT
E winds around 5 kt. Waves around 2 ft. A
slight chance of showers.

WED
E winds around 5 kt, becoming SW in the afternoon. Waves
2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

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

THU
NW winds around 5 kt, becoming NE in the afternoon. Waves
around 2 ft. Patchy fog. Rain. Vsby 1 to 3 NM.

THU NIGHT
NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Waves 2 to 3 ft. Patchy fog.
Rain. Vsby 1 to 3 NM.

FRI
NE winds 20 to 25 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Waves 2 to 3 ft, except 4 to 7 ft
at the bay entrance. Patchy fog. Rain. Vsby 1 NM or less.

FRI NIGHT
N winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Waves 2 to 3 ft, except 4 to
7 ft at the bay entrance.

SAT AND SAT NIGHT
NE winds 5 to 10 kt with gusts up to 20 kt,
becoming SE. Waves around 2 ft.

SUN AND SUN NIGHT
S winds 10 to 15 kt, becoming W. Gusts up to
25 kt. Waves 2 to 4 ft. A chance of showers. 

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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