Sandy Bay Weather Center
Weather Center


X

ANZ230 Boston Harbor

Expires:202501262200;;250923
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ230-262200-
Boston Harbor-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft. 
.MON...SW winds 10 to 15 kt, increasing to 20 to 25 kt in the
afternoon. Waves around 2 ft. 
.MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Waves
around 2 ft. 
.TUE...W winds 20 to 25 kt with gusts up to 30 kt. Waves around
2 ft. A chance of snow in the morning. 
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Waves around 2 ft in the evening, then 1 foot or
less. A chance of snow after midnight. 
.WED...SW winds 10 to 15 kt. Waves around 2 ft. A chance of snow.
.WED NIGHT THROUGH THU NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Waves 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

ANZ231 Cape Cod Bay

		
Expires:202501262200;;250914
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ231-262200-
Cape Cod Bay-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
9 seconds. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft
at 4 seconds and SE 1 foot at 10 seconds. 
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
9 seconds. 
.MON NIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. Seas 4 to 6 ft. Wave Detail: SW 4 ft at 4 seconds
and S 1 foot at 9 seconds. 
.TUE...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
5 ft. Wave Detail: W 4 ft at 4 seconds and S 1 foot at 9 seconds.
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
NW 3 ft at 5 seconds and S 1 foot at 9 seconds. Light freezing
spray in the evening. A chance of snow after midnight. 
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain and snow. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. Light freezing
spray. A chance of snow. 
.THU AND THU NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 4 to 6 ft. Light freezing spray.  

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:202501262200;;250918
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ232-262200-
Nantucket Sound-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds. 
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: W 3 ft at 5 seconds and S 1 foot at 9 seconds.
.MON...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to
5 ft in the afternoon. Wave Detail: W 3 ft at 4 seconds and SE
1 foot at 9 seconds, becoming SW 4 ft at 5 seconds and SE 1 foot
at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 35 kt. Seas
4 to 6 ft. Wave Detail: SW 6 ft at 5 seconds and S 2 ft at
9 seconds. 
.TUE...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and
S 2 ft at 9 seconds. 
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave
Detail: W 4 ft at 5 seconds and S 1 foot at 9 seconds. 
.WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain and
snow. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. 
.THU AND THU NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 3 to 5 ft. Light freezing spray.  

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:202501262200;;250919
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ233-262200-
Vineyard Sound-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft
at 7 seconds and SE 1 foot at 9 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 2 to 4 ft, building to 4 to 6 ft in the
afternoon. Wave Detail: SW 4 ft at 7 seconds and SE 1 foot at
9 seconds, becoming SW 6 ft at 6 seconds and SE 1 foot at
9 seconds. 
.MON NIGHT...SW winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 7 seconds and S
1 foot at 9 seconds. 
.TUE...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 5 to
8 ft, subsiding to 4 to 6 ft in the afternoon. Wave Detail: SW
8 ft at 7 seconds and S 1 foot at 9 seconds, becoming SW 6 ft at
7 seconds and S 1 foot at 9 seconds. 
.TUE NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft
at 7 seconds and S 1 foot at 9 seconds. 
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain and snow. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. 
.THU AND THU NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 3 to 5 ft. Light freezing spray.  

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:202501262200;;250920
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ234-262200-
Buzzards Bay-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 1 foot at
9 seconds. 
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and SE 1 foot
at 9 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW
5 ft at 5 seconds and SE 1 foot at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas
4 to 6 ft, building to 6 to 7 ft after midnight. Wave Detail: SW
6 ft at 7 seconds and S 1 foot at 9 seconds, becoming SW 7 ft at
8 seconds. 
.TUE...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 6 to 7 ft, subsiding to 4 to 6 ft in the
afternoon. Wave Detail: SW 7 ft at 8 seconds, becoming W 5 ft at
7 seconds and S 1 foot at 9 seconds. 
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W
4 ft at 7 seconds and S 1 foot at 9 seconds. 
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain and snow. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. Light freezing
spray. 
.THU AND THU NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 3 to 5 ft. Light freezing spray.  

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:202501262200;;250921
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ235-262200-
Rhode Island Sound-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 7 seconds and SE 1 foot at 9 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the
afternoon. Wave Detail: W 4 ft at 7 seconds and SE 1 foot at
9 seconds, becoming SW 6 ft at 6 seconds and SE 1 foot at
9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt, increasing to 30 to 35 kt
after midnight. Seas 6 to 9 ft, building to 8 to 9 ft after
midnight. Wave Detail: SW 9 ft at 7 seconds, becoming SW 9 ft at
7 seconds and S 1 foot at 9 seconds. 
.TUE...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 7 to
9 ft, subsiding to 5 to 8 ft in the afternoon. Wave Detail: SW
9 ft at 7 seconds and S 1 foot at 8 seconds, becoming W 8 ft at
7 seconds and S 2 ft at 9 seconds. 
.TUE NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft, subsiding to 2 to
3 ft after midnight. Wave Detail: W 5 ft at 8 seconds and S 2 ft
at 10 seconds, becoming SW 3 ft at 8 seconds and S 1 foot at
10 seconds. 
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain and snow. 
.WED NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. 
.THU AND THU NIGHT...NW winds 20 to 25 kt, becoming W 15 to
20 kt. Seas 4 to 6 ft. Light freezing spray.  

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:202501262200;;250924
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ236-262200-
Narragansett Bay-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
5 ft. 
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. 
.MON...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft, building to 3 to 5 ft in the afternoon. 
.MON NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Waves
5 to 7 ft. 
.TUE...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Waves 5 to 7 ft, subsiding to 2 to
3 ft in the afternoon. At the bay entrance, waves 6 to 8 ft,
subsiding to 4 to 6 ft in the afternoon. A chance of rain and
snow in the morning. 
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Waves 2 to 3 ft. 
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. A chance of rain and snow. 
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves
3 to 5 ft. 
.THU...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to
3 ft. Light freezing spray. 
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
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.

$$

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

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www.facebook.com/NWSBoston

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@NWSBoston

			
X

ANZ237 Block Island Sound

Expires:202501262200;;250922
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ237-262200-
Block Island Sound-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft
at 5 seconds and SE 1 foot at 10 seconds. 
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: W 4 ft at 6 seconds and SE 1 foot at
10 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: W 3 ft at 5 seconds and SE
1 foot at 9 seconds, becoming W 5 ft at 6 seconds and SE 1 foot
at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas
5 to 8 ft. Wave Detail: W 7 ft at 6 seconds and S 2 ft at
9 seconds. 
.TUE...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to
20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 5 to
8 ft. Wave Detail: W 6 ft at 6 seconds and S 2 ft at 9 seconds. 
.TUE NIGHT...NW winds 10 to 15 kt, becoming W after midnight.
Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at
5 seconds and S 2 ft at 9 seconds. 
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain. 
.WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. 
.THU AND THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Light freezing spray.  

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:202501262200;;250912
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ250-262200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft
at 5 seconds and SE 1 foot at 10 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: W 4 ft at 4 seconds and SE
1 foot at 9 seconds, becoming SW 5 ft at 5 seconds and SE 1 foot
at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. Wave Detail: SW 7 ft at 5 seconds and S 1 foot at
8 seconds. 
.TUE...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 5 to 8 ft. Wave Detail: SW 7 ft at 7 seconds. A
chance of snow in the morning. 
.TUE NIGHT...W 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, subsiding to 2 to 4 ft after midnight. Wave
Detail: W 5 ft at 5 seconds and SE 1 foot at 10 seconds, becoming
W 3 ft at 5 seconds and SE 1 foot at 10 seconds. Light freezing
spray. A chance of snow after midnight. 
.WED...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of snow and rain. Vsby 1 NM or less. 
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. Light freezing spray. A chance of snow. 
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Light freezing spray. 
.THU NIGHT...W winds around 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Light freezing spray.  

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:202501262200;;250913
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ251-262200-
Massachusetts Bay and Ipswich Bay-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...SW winds 15 to 20 kt, becoming W 20 to 25 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 3 seconds and SE 1 foot at 10 seconds. 
.TONIGHT...W 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 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 1 foot at
10 seconds. 
.MON...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and SE 1 foot at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 35 kt. Seas
3 to 5 ft. Wave Detail: SW 5 ft at 4 seconds and S 1 foot at
8 seconds. 
.TUE...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft. Wave Detail: SW 4 ft at 4 seconds and S 1 foot at
7 seconds. A chance of snow in the morning. 
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W
3 ft at 4 seconds. Light freezing spray in the evening. A chance
of snow after midnight. 
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of snow and rain. Vsby 1 NM or less. 
.WED NIGHT...NW winds 20 to 25 kt. Seas 2 to 4 ft. Light freezing
spray. A chance of snow. 
.THU...NW winds 20 to 25 kt. Seas 3 to 5 ft. Light freezing
spray. 
.THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Light freezing spray.  

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:202501262200;;250915
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ254-262200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W 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. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at
9 seconds. 
.MON...W winds 15 to 20 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to
7 ft in the afternoon. Wave Detail: W 4 ft at 5 seconds and SE
1 foot at 9 seconds, becoming SW 6 ft at 5 seconds and SE 1 foot
at 9 seconds. 
.MON NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas
6 to 9 ft. Wave Detail: SW 7 ft at 6 seconds. 
.TUE...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: W 7 ft
at 6 seconds and S 2 ft at 9 seconds. 
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 5 to 7 ft, subsiding to
3 to 5 ft after midnight. Wave Detail: NW 5 ft at 6 seconds and S
2 ft at 9 seconds, becoming W 4 ft at 6 seconds and S 1 foot at
9 seconds. 
.WED...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of rain and
snow. Vsby 1 to 3 NM. 
.WED NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of snow and rain. 
.THU...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Light freezing spray. 
.THU NIGHT...W winds around 20 kt with gusts up to 25 kt. Seas
5 to 8 ft. Light freezing spray.  

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:202501262200;;250916
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ255-262200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft
at 7 seconds and SE 1 foot at 9 seconds. 
.MON...W winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 4 to 6 ft, building to 5 to 8 ft in the
afternoon. Wave Detail: SW 6 ft at 7 seconds and SE 1 foot at
9 seconds, becoming SW 8 ft at 7 seconds and SE 1 foot at
9 seconds. 
.MON NIGHT...SW winds 25 to 35 kt with gusts up to 40 kt. Seas
7 to 9 ft, building to 8 to 11 ft after midnight. Wave Detail: SW
9 ft at 8 seconds, becoming SW 11 ft at 8 seconds and S 1 foot at
9 seconds. 
.TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 8 to
11 ft. Wave Detail: SW 11 ft at 8 seconds and S 1 foot at
9 seconds. 
.TUE NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 7 ft, subsiding to 3 to
5 ft after midnight. Wave Detail: W 7 ft at 8 seconds and S
1 foot at 10 seconds, becoming SW 5 ft at 8 seconds. 
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. 
.WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft. 
.THU AND THU NIGHT...NW winds 25 to 30 kt, diminishing to 20 to
25 kt. Seas 5 to 8 ft. Light freezing spray.  

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:202501262200;;250917
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ256-262200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 1 foot at
10 seconds. 
.TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 7 seconds and SE
1 foot at 9 seconds. 
.MON...W winds 20 to 25 kt, becoming SW 25 to 30 kt in the
afternoon. Seas 4 to 6 ft, building to 6 to 8 ft in the
afternoon. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at
9 seconds, becoming SW 8 ft at 7 seconds and SE 1 foot at
9 seconds. 
.MON NIGHT...SW winds 25 to 35 kt, becoming 30 to 35 kt after
midnight. Gusts up to 45 kt. Seas 8 to 11 ft. Wave Detail: SW
11 ft at 7 seconds. 
.TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 9 to
11 ft, subsiding to 7 to 10 ft in the afternoon. Wave Detail: SW
11 ft at 8 seconds, becoming W 9 ft at 8 seconds and S 1 foot at
9 seconds. 
.TUE NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 7 ft, subsiding to 3 to
4 ft after midnight. Wave Detail: W 7 ft at 7 seconds and S
1 foot at 9 seconds, becoming SW 4 ft at 8 seconds and S 1 foot
at 10 seconds. 
.WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
7 ft. A chance of rain. 
.WED NIGHT...W winds 25 to 30 kt. Seas 6 to 8 ft. 
.THU...NW winds 25 to 30 kt. Seas 5 to 8 ft. Light freezing
spray. 
.THU NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. A chance of
light freezing spray.  

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:202501262200;;250923
FZUS51 KBOX 260904
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 AM EST Sun Jan 26 2025

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


ANZ230-262200-
Boston Harbor-
403 AM EST Sun Jan 26 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...

.TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft. 
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft. 
.MON...SW winds 10 to 15 kt, increasing to 20 to 25 kt in the
afternoon. Waves around 2 ft. 
.MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Waves
around 2 ft. 
.TUE...W winds 20 to 25 kt with gusts up to 30 kt. Waves around
2 ft. A chance of snow in the morning. 
.TUE NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Waves around 2 ft in the evening, then 1 foot or
less. A chance of snow after midnight. 
.WED...SW winds 10 to 15 kt. Waves around 2 ft. A chance of snow.
.WED NIGHT THROUGH THU NIGHT...W winds 15 to 20 kt with gusts up
to 25 kt. Waves 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.

$$


		


  • 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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