Sandy Bay Weather Center
Weather Center


X

ANZ230 Boston Harbor

Expires:202312031600;;802502
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ230-031600-
Boston Harbor-
1001 PM EST Sat Dec 2 2023

.OVERNIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. Patchy
fog. A slight chance of rain. Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Waves 2 to 3 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Waves around 2 ft. A chance of rain. 
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Waves 1 foot or less, then around 2 ft after
midnight. A chance of rain. 
.TUE...NW winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Waves around 2 ft in the morning, then 1 foot or less.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A chance
of rain. 
.WED...N winds around 10 kt. A chance of rain and snow. 
.WED NIGHT THROUGH THU NIGHT...W winds 10 to 15 kt with gusts up
to 20 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.

$$


	
X

ANZ231 Cape Cod Bay

		
Expires:202312031600;;802493
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ231-031600-
Cape Cod Bay-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of rain with vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt with gusts up to 25 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of rain. 
.MON NIGHT THROUGH TUE NIGHT...N winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. A chance of rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain. 
.WED NIGHT...N winds around 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. A chance of rain. 
.THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. 
.THU NIGHT...NW 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.

$$


	        
X

ANZ232 Nantucket Sound

Expires:202312031600;;802497
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ232-031600-
Nantucket Sound-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt. Seas around
2 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Seas 2 to 4 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. 
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. A chance of rain. 
.TUE...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. 
.TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. 
.WED AND WED NIGHT...N winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 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.

$$


	                	
X

ANZ233 Vinyard Sound

Expires:202312031600;;802498
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ233-031600-
Vineyard Sound-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...N winds around 5 kt, becoming NE. Seas 2 to 3 ft.
Patchy fog. A chance of rain with vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Seas 2 to 4 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. 
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. A chance of rain. 
.TUE...NW winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Seas around 2 ft. 
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain. 
.WED AND WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt.
Seas 1 foot or less, then around 2 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt.
Seas around 2 ft, then 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.

$$


		                	
X

ANZ234 Buzzards Bay

Expires:202312031600;;802499
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ234-031600-
Buzzards Bay-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of rain. Vsby 1 to 3 NM, decreasing to 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
becoming N 5 to 10 kt after midnight. Seas 2 to 4 ft. Areas of
fog. Rain. Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. 
.MON NIGHT AND TUE...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. 
.TUE NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain. 
.WED AND WED NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt.
Seas around 2 ft, then 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.

$$


		              	
X

ANZ235 Rhode Island Sound

Expires:202312031600;;802500
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ235-031600-
Rhode Island Sound-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog. A chance of rain. Vsby 1 to 3 NM, decreasing to
1 NM or less. 
.SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. Rain.
Vsby 1 NM or less. 
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt,
becoming NW 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 3 to 5 ft. Areas of fog. Rain. Vsby 1 to 3 NM. 
.MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. 
.MON NIGHT AND TUE...NW winds 15 to 20 kt. Seas 2 to 4 ft. 
.TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. 
.WED AND WED NIGHT...N winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 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.

$$


		
X

ANZ236 Narragansett Bay

Expires:202312031600;;802503
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ236-031600-
Narragansett Bay-
1001 PM EST Sat Dec 2 2023

.OVERNIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. Patchy
fog. A chance of rain. Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
becoming NW 5 to 10 kt after midnight. Waves 2 to 3 ft. Areas of
fog. Rain. Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Waves 2 to 4 ft. 
.MON NIGHT AND TUE...NW winds 10 to 15 kt. Waves 2 to 3 ft. 
.TUE NIGHT...NW winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less. 
.WED...N winds 5 to 10 kt. A chance of rain. 
.WED NIGHT THROUGH THU NIGHT...W winds 10 to 15 kt with gusts up
to 20 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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston

			
X

ANZ237 Block Island Sound

Expires:202312031600;;802501
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ237-031600-
Block Island Sound-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...N winds around 5 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of rain.
Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Areas of fog. Rain.
Vsby 1 NM or less. 
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt,
becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Areas of
fog. Rain likely. Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. 
.MON NIGHT AND TUE...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. 
.TUE NIGHT...N winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of rain. 
.WED NIGHT THROUGH THU NIGHT...NW 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.

$$


			
X

ANZ250 Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary

Expires:202312031600;;802491
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ250-031600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Patchy fog with vsby 1 to 3 NM. 
.SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Areas of fog. Rain. Vsby 1 to 3 NM. 
.SUN NIGHT...E winds 15 to 20 kt, becoming SE 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 4 to 5 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 3 to 5 ft. A chance of rain. 
.MON NIGHT THROUGH TUE NIGHT...N winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 4 ft. A chance of rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. A chance of rain. 
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of rain. 
.THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. 
.THU NIGHT...NW 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.

$$


	
X

ANZ251 Massachusetts Bay and Ipswich Bay

Expires:202312031600;;802492
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ251-031600-
Massachusetts Bay and Ipswich Bay-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
slight chance of rain with vsby 1 to 3 NM. 
.SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. Rain.
Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Areas of fog. Rain. Vsby 1 to 3 NM. 
.MON...W winds around 10 kt. Gusts up to 20 kt in the morning.
Seas 3 to 4 ft. A chance of rain. 
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas around 3 ft. A chance of rain. 
.TUE...NW winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Seas 2 to 3 ft. 
.TUE NIGHT...N winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain and snow. 
.WED NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 10 to 15 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.

$$


		
X

ANZ254 Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM

 
Expires:202312031600;;802494
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ254-031600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...

.OVERNIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt. Seas 3 to
4 ft. Patchy fog. A slight chance of rain. Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. Rain.
Vsby 1 NM or less. 
.SUN NIGHT...E winds 15 to 20 kt with gusts up to 30 kt, becoming
SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to
6 ft. Areas of fog. Rain. Vsby 1 to 3 NM. 
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain. 
.MON NIGHT AND TUE...NW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. A chance of rain. 
.TUE NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain. 
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. A chance of rain. 
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. 
.THU NIGHT...NW 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.

$$


		
X

ANZ255 Coastal waters extending out to 25 NM south of Martha’s Vineyard and Nantucket

Expires:202312031600;;802495
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ255-031600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...N winds around 5 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of rain.
Vsby 1 NM or less. 
.SUN...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 15 to 20 kt with gusts up to 30 kt, becoming
NW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to
5 ft. Areas of fog. A chance of rain. Vsby 1 to 3 NM. 
.MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. 
.MON NIGHT...NW winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Seas 4 to 6 ft. A chance of rain. 
.TUE...NW winds 20 to 25 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft. 
.TUE NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. A chance of
rain. 
.WED...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain. 
.WED NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of rain. 
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. 
.THU NIGHT...NW winds around 15 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.

$$


		
X

ANZ256 Coastal waters from Montauk NY to Martha’s Vineyard extending out to 20 NM south of Block Island

Expires:202312031600;;802496
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ256-031600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1001 PM EST Sat Dec 2 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EST SUNDAY THROUGH
MONDAY MORNING...

.OVERNIGHT...N winds around 5 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of rain.
Vsby 1 NM or less. 
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Areas of fog. Rain
likely. Vsby 1 to 3 NM. 
.MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to
7 ft. 
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. 
.TUE...NW winds 15 to 20 kt with gusts up to 25 kt, diminishing
to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. 
.TUE NIGHT...NW winds around 10 kt. Seas 2 to 3 ft. A chance of
rain. 
.WED AND WED NIGHT...N winds 10 to 15 kt, increasing to 15 to
20 kt. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. 
.THU AND THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$


		
X

ANZ270 Ocean waters from Merrimack River to Plymouth from 40 to 60 NM offshore

			
X

ANZ271 Ocean waters from Provincetown to Nantucket from 20 to 35 NM offshore

		
X

ANZ272 Ocean waters from Martha’s Vineyard to Nantucket from 25 to 40 NM offshore

		
X

ANZ273 Ocean waters from Montauk NY to Martha’s Vineyard from 25 to 40 NM offshore

 
		
X

ANZ230 Boston Harbor

 
Expires:202312031600;;802502
FZUS51 KBOX 030301
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1001 PM EST Sat Dec 2 2023

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


ANZ230-031600-
Boston Harbor-
1001 PM EST Sat Dec 2 2023

.OVERNIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. Patchy
fog. A slight chance of rain. Vsby 1 NM or less. 
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. Areas of fog. Rain. Vsby 1 NM or less. 
.SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt, becoming
N 5 to 10 kt after midnight. Waves 2 to 3 ft. Areas of fog. Rain.
Vsby 1 to 3 NM. 
.MON...W winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Waves around 2 ft. A chance of rain. 
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Waves 1 foot or less, then around 2 ft after
midnight. A chance of rain. 
.TUE...NW winds 15 to 20 kt, diminishing to around 10 kt in the
afternoon. Waves around 2 ft in the morning, then 1 foot or less.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A chance
of rain. 
.WED...N winds around 10 kt. A chance of rain and snow. 
.WED NIGHT THROUGH THU NIGHT...W winds 10 to 15 kt with gusts up
to 20 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.

$$


		


  • Click on a zone to display the forecast for that area.
ANZ230 Boston Harbor ANZ231 Cape Cod Bay ANZ232 Nantucket Sound ANZ233 Vinyard Sound ANZ234 Buzzards Bay ANZ235 Rhode Island Sound ANZ236 Narragansett Bay ANZ237 Block Island Sound ANZ250 Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary ANZ251 Massachusetts Bay and Ipswich Bay ANZ254 Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM ANZ255 Coastal waters extending out to 25 NM south of Martha’s Vineyard and Nantucket ANZ256 Coastal waters from Montauk NY to Martha’s Vineyard extending out to 20 NM south of Block Island ANZ270 Ocean waters from Merrimack River to Plymouth from 40 to 60 NM offshore ANZ271 Ocean waters from Provincetown to Nantucket from 20 to 35 NM offshore ANZ272 Ocean waters from Martha’s Vineyard to Nantucket from 25 to 40 NM offshore ANZ273 Ocean waters from Montauk NY to Martha’s Vineyard from 25 to 40 NM offshore ANZ230 Boston Harbor ANZ231 Cape Cod Bay ANZ232 Nantucket Sound ANZ233 Vinyard Sound ANZ234 Buzzards Bay ANZ235 Rhode Island Sound ANZ236 Narragansett Bay ANZ237 Block Island Sound ANZ250 Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary ANZ251 Massachusetts Bay and Ipswich Bay ANZ254 Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM ANZ255 Coastal waters extending out to 25 NM south of Martha’s Vineyard and Nantucket ANZ256 Coastal waters from Montauk NY to Martha’s Vineyard extending out to 20 NM south of Block Island ANZ270 Ocean waters from Merrimack River to Plymouth from 40 to 60 NM offshore ANZ271 Ocean waters from Provincetown to Nantucket from 20 to 35 NM offshore ANZ272 Ocean waters from Martha’s Vineyard to Nantucket from 25 to 40 NM offshore ANZ273 Ocean waters from Montauk NY to Martha’s Vineyard from 25 to 40 NM offshore

 

 



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