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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 291716
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
116 PM EDT Sun Mar 29 2020

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

ANZ200-300600-
116 PM EDT Sun Mar 29 2020

Synopsis for Massachusetts and Rhode Island coastal waters

A warm front will languish near the waters today, bringing rain. A
cold front will slide through late today into Mon. Low pres develops
on this front E of the waters and will slowly move E through Tue.
Another low pres should pass well S of the waters Wed.

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.



ANZ250-300600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING


THIS AFTERNOON
E winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

MON
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
9 ft. Patchy fog. Vsby 1 to 3 NM.

MON NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

TUE
N winds 15 to 20 kt with gusts up to 30 kt. Seas 8 to
11 ft. Patchy fog. A chance of rain and snow showers. Vsby 1 to
3 NM.

TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
5 to 8 ft.

WED
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.

WED NIGHT AND THU
N winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers.

THU NIGHT
N 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.



ANZ251-300600-
Massachusetts Bay and Ipswich Bay-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 4 to 7 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.

MON
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

MON NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

TUE
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. Patchy fog. A
chance of rain and snow showers. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft.

WED
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.

WED NIGHT THROUGH THU NIGHT
N winds 10 to 15 kt with 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.



ANZ231-300600-
Cape Cod Bay-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 2 to 4 ft. Patchy fog. Showers.
Vsby 1 to 3 NM.

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 30 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
N winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to
7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.

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

WED NIGHT AND THU
N winds 10 to 15 kt with gusts up to 30 kt.
Seas 2 to 4 ft. A chance of showers.

THU NIGHT
N 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.



ANZ254-300600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING


THIS AFTERNOON
E winds 20 to 25 kt with gusts up to 35 kt.
Seas 6 to 9 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to
10 ft. Patchy fog. Showers. Vsby 1 NM or less.

MON
NE winds 10 to 15 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 5 to 8 ft. Patchy fog. Vsby
1 NM or less.

MON NIGHT
NE winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.

TUE
N winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to
10 ft. Patchy fog. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
6 to 9 ft.

WED
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
7 ft.

WED NIGHT AND THU
N winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 30 kt. Seas 4 to 7 ft. A chance of showers.

THU NIGHT
N 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.



ANZ255-300600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING


THIS AFTERNOON
E winds 20 to 25 kt with gusts up to 30 kt.
Seas 7 to 10 ft. Patchy fog. Showers likely with isolated tstms.
Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Patchy fog. Showers.
Vsby 1 NM or less.

MON
NW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 4 to 6 ft.

MON NIGHT
N winds 10 to 15 kt with gusts up to 30 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
N winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to
7 ft. Patchy fog. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 7 ft.

WED
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.

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

Winds and seas higher in and near tstms.

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.



ANZ256-300600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 7 to 10 ft. Patchy fog. Showers likely with isolated tstms.
Vsby 1 NM or less.

TONIGHT
E winds 15 to 20 kt with gusts up to 30 kt, becoming N
5 to 10 kt with gusts up to 20 kt after midnight. Seas 5 to 8 ft.
Patchy fog. Showers. Vsby 1 NM or less.

MON
NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt in the afternoon. Seas 4 to 5 ft.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog.

TUE AND TUE NIGHT
NE winds 10 to 15 kt with gusts up to 30 kt.
Seas 4 to 6 ft.

WED THROUGH THU
N winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 5 ft.

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

Winds and seas higher in and near tstms.

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.



ANZ232-300600-
Nantucket Sound-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT


THIS AFTERNOON
E winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers.
Vsby 1 NM or less.

MON
N winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
N winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 5 to 10 kt with gusts up to 25 kt. Seas
2 to 4 ft.

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

WED NIGHT AND THU
N winds 10 to 15 kt with gusts up to 30 kt.
Seas 2 to 4 ft. A chance of showers.

THU NIGHT
N 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.



ANZ233-300600-
Vineyard Sound-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 15 to 20 kt with gusts up to 30 kt, becoming
NE around 10 kt with gusts up to 20 kt after midnight. Seas 2 to
4 ft. Patchy fog. Showers. Vsby 1 NM or less.

MON
N winds around 10 kt. Gusts up to 20 kt in the morning.
Seas around 2 ft.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

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

TUE NIGHT
NE winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft.

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

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.

THU AND THU NIGHT
N winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 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.



ANZ234-300600-
Buzzards Bay-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas around 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 15 to 20 kt with gusts up to 30 kt, becoming
NE around 10 kt with gusts up to 20 kt after midnight. Seas 2 to
3 ft. Patchy fog. Showers. Vsby 1 NM or less.

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

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog.

TUE NIGHT
NE winds 5 to 10 kt with gusts up to 20 kt. Seas
around 2 ft.

WED
NE winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to
4 ft.

WED NIGHT THROUGH THU NIGHT
N winds 10 to 15 kt with 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.



ANZ235-300600-
Rhode Island Sound-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 6 to 8 ft. Patchy fog. Showers with isolated tstms. Vsby
1 to 3 NM.

TONIGHT
E winds 15 to 20 kt with gusts up to 30 kt, becoming N
around 10 kt with gusts up to 20 kt after midnight. Seas 4 to
7 ft. Patchy fog. Showers. Vsby 1 NM or less.

MON
N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
3 to 5 ft.

MON NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog.

TUE
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.

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

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

THU NIGHT
N winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers. 

Winds and seas higher in and near tstms.

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.



ANZ237-300600-
Block Island Sound-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Seas 6 to 8 ft. Patchy fog. Showers with isolated tstms. Vsby
1 NM or less.

TONIGHT
E winds 15 to 20 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Patchy fog. Showers.
Vsby 1 NM or less.

MON
N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
3 to 5 ft. A chance of showers.

MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of showers.

TUE AND TUE NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft.

WED THROUGH THU NIGHT
N winds 10 to 15 kt with gusts up to
25 kt. Seas 2 to 3 ft. 

Winds and seas higher in and near tstms.

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.



ANZ230-300600-
Boston Harbor-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 20 to 25 kt, becoming NE 15 to 20 kt after
midnight. Gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at
the outer harbor entrance. Patchy fog. Showers. Vsby 1 to 3 NM.

MON
NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

MON NIGHT
NE winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft, except 4 to 6 ft at the outer harbor entrance. Patchy
fog. A chance of rain and snow showers. Vsby 1 to 3 NM.

TUE
NE winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft, except 4 to 7 ft at the outer harbor entrance. Patchy fog.
A chance of snow showers. Vsby 1 to 3 NM.

TUE NIGHT
NE winds 5 to 10 kt with gusts up to 20 kt. Waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance.

WED
NE winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft, except 3 to 5 ft at the outer harbor entrance.

WED NIGHT THROUGH THU NIGHT
N winds 5 to 10 kt with gusts up
to 25 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor
entrance. 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.



ANZ236-300600-
Narragansett Bay-
116 PM EDT Sun Mar 29 2020

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING


THIS AFTERNOON
E winds 15 to 20 kt with gusts up to 30 kt.
Waves 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM.

TONIGHT
E winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog.
Showers. Vsby 1 to 3 NM.

MON
N winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves 2 to 3 ft. A chance of showers.

MON NIGHT
N winds 5 to 10 kt with gusts up to 25 kt. Waves
2 to 3 ft. Patchy fog. A chance of showers.

TUE AND TUE NIGHT
NE winds 5 to 10 kt with gusts up to 25 kt.
Waves 2 to 3 ft.

WED THROUGH THU
N winds 5 to 10 kt with gusts up to 25 kt.
Waves around 2 ft.

THU NIGHT
N winds around 10 kt with 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.



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