Sandy Bay Weather Center
Weather Center


X

ANZ230 Boston Harbor

Expires:202404270900;;422688
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ230-270900-
Boston Harbor-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves
1 foot or less. 
.SAT...SW winds around 5 kt, becoming SE 10 to 15 kt in the
afternoon. Waves 1 foot or less. 
.SAT NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Waves around 2 ft. A chance of showers after midnight. 
.SUN...SW winds 10 to 15 kt. Waves around 2 ft. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Waves around 2 ft in the evening, then 1 foot or less. 
.MON AND MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. 
.TUE...SE winds 5 to 10 kt. Waves around 2 ft. 
.TUE NIGHT AND WED...SE winds around 10 kt. Waves around 2 ft. A
chance of showers. 
.WED NIGHT...S winds around 10 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:202404270900;;422679
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ231-270900-
Cape Cod Bay-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds around 5 kt, becoming SW after midnight. Seas
1 foot or less. Wave Detail: S 1 ft at 3 seconds and N 1 ft at
3 seconds. 
.SAT...W winds around 5 kt, becoming SE in the afternoon. Seas
1 foot or less. Wave Detail: W 1 ft at 2 seconds and N 1 ft at
3 seconds. 
.SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: SW 1 ft at 3 seconds and E 1 ft at 3 seconds. 
.SUN...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E
1 ft at 2 seconds and SW 1 ft at 3 seconds. 
.SUN NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 1 foot or less. Wave Detail: SW 1 ft at 3 seconds and E 1 ft
at 10 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and N 1 ft at 3 seconds. 
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. 
.TUE NIGHT AND WED...S winds around 10 kt. Seas around 2 ft. A
chance of showers. 
.WED NIGHT...S winds around 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.

$$


	        
X

ANZ232 Nantucket Sound

Expires:202404270900;;422683
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ232-270900-
Nantucket Sound-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: E 1 ft at 3 seconds and N 1 ft at
4 seconds. 
.SAT...W winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: W 1 ft at 2 seconds and NE 1 ft at
3 seconds, becoming SW 1 ft at 3 seconds and N 1 ft at 3 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 1 ft at 4 seconds
and E 1 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 1 foot or less, then around
2 ft in the afternoon. Wave Detail: SW 1 ft at 4 seconds and E
1 ft at 8 seconds, becoming SW 2 ft at 4 seconds and E 1 ft at
10 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: SW 2 ft at 4 seconds and E 1 ft at 10 seconds,
becoming SW 1 ft at 4 seconds and E 1 ft at 10 seconds. 
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 10 seconds and N 1 ft at 3 seconds. 
.TUE...SE winds around 10 kt. Seas around 2 ft. 
.TUE NIGHT AND WED...S winds 10 to 15 kt. Seas around 2 ft. A
chance of showers. 
.WED NIGHT...S winds 10 to 15 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

ANZ233 Vinyard Sound

Expires:202404270900;;422684
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ233-270900-
Vineyard Sound-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at
3 seconds. 
.SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: SW 1 ft at 3 seconds and S 1 ft at
7 seconds, becoming SW 1 ft at 3 seconds and SE 1 ft at
7 seconds. 
.SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 2 ft at 4 seconds
and S 1 ft at 7 seconds, becoming SW 1 ft at 5 seconds and SE
1 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less. Wave Detail: SW 1 ft at 5 seconds and SE
1 ft at 9 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 1 foot or less. Wave
Detail: SW 1 ft at 4 seconds and SE 1 ft at 9 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: W 1 ft at 4 seconds and E 1 ft at 10 seconds. 
.TUE...SE winds 5 to 10 kt. Seas 1 foot or less. 
.TUE NIGHT AND WED...S winds around 10 kt. Seas 1 foot or less. A
chance of showers. 
.WED NIGHT...S winds around 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.

$$


		                	
X

ANZ234 Buzzards Bay

Expires:202404270900;;422685
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ234-270900-
Buzzards Bay-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less. Wave Detail: S 1 ft at 3 seconds and E 1 ft at
3 seconds. 
.SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas 1 foot or less. Wave Detail: SW 1 ft at 3 seconds
and NE 1 ft at 3 seconds. 
.SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 2 ft at 4 seconds
and SE 1 ft at 8 seconds, becoming SW 1 ft at 4 seconds and SE
1 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less. Wave Detail: SW 1 ft at 4 seconds and SE
1 ft at 9 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 1 foot or less. Wave
Detail: SW 1 ft at 4 seconds and SE 1 ft at 9 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: N 1 ft at 2 seconds and W 1 ft at 4 seconds. 
.TUE...SE winds 5 to 10 kt. Seas 1 foot or less. 
.TUE NIGHT AND WED...S winds around 10 kt. Seas 1 foot or less. A
chance of showers. 
.WED NIGHT...S winds around 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.

$$


		              	
X

ANZ235 Rhode Island Sound

Expires:202404270900;;422686
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ235-270900-
Rhode Island Sound-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 ft at
3 seconds. 
.SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds
and S 2 ft at 7 seconds. 
.SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 8 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 2 ft at 9 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 4 seconds and SE 2 ft at 10 seconds. 
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. 
.TUE NIGHT AND WED...S winds 10 to 15 kt. Seas around 2 ft. A
chance of showers. 
.WED NIGHT...S winds around 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.

$$


		
X

ANZ236 Narragansett Bay

Expires:202404270900;;422689
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ236-270900-
Narragansett Bay-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves
1 foot or less. 
.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less, then around
2 ft in the afternoon. 
.SAT NIGHT...SW winds 10 to 15 kt. Waves around 2 ft in the
evening, then 1 foot or less. A chance of showers after midnight.
.SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft. A chance of showers in the morning. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Waves around 2 ft. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Waves around 2 ft. 
.TUE...SE winds 5 to 10 kt. Waves 1 foot or less. 
.TUE NIGHT...S winds around 10 kt. Waves around 2 ft. A chance of
showers. 
.WED AND WED NIGHT...S winds 5 to 10 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.

$$

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

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@NWSBoston

			
X

ANZ237 Block Island Sound

Expires:202404270900;;422687
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ237-270900-
Block Island Sound-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 ft at
3 seconds. 
.SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 5 seconds and SW 1 ft at 2 seconds. 
.SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 4 seconds and SE 2 ft at 8 seconds. 
.SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
9 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. 
.TUE...SE winds 5 to 10 kt. Seas around 2 ft. 
.TUE NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of
showers. 
.WED AND WED NIGHT...S 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.

$$


			
X

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

Expires:202404270900;;422677
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ250-270900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 ft at
2 seconds. 
.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 ft at
3 seconds. 
.SAT NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and E 2 ft at
9 seconds. A chance of. 
.SUN...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 10 seconds. 
.SUN NIGHT...SW winds around 10 kt, becoming W after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at
3 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: N 2 ft at 3 seconds and E 2 ft at 9 seconds. 
.TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. 
.TUE NIGHT AND WED...SE winds 10 to 15 kt. Gusts up to 20 kt.
Seas 3 to 4 ft. A chance of showers. 
.WED NIGHT...S winds 10 to 15 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

ANZ251 Massachusetts Bay and Ipswich Bay

Expires:202404270900;;422678
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ251-270900-
Massachusetts Bay and Ipswich Bay-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: NW 1 ft at 3 seconds and S 1 ft at
3 seconds. 
.SAT...SW winds around 5 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: SW 1 ft at 3 seconds and E 1 ft at
3 seconds. 
.SAT NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds and W 1 ft at
2 seconds. A chance of showers after midnight. 
.SUN...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and E 2 ft at 9 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at
10 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: N 2 ft at 3 seconds and E 2 ft at 9 seconds. 
.TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. 
.TUE NIGHT AND WED...SE winds 10 to 15 kt. Gusts up to 20 kt.
Seas 2 to 3 ft. A chance of showers. 
.WED NIGHT...S winds around 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.

$$


		
X

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

 
Expires:202404270900;;422680
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ254-270900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
406 PM EDT Fri Apr 26 2024

.TONIGHT...SE winds around 5 kt, becoming W around 5 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and
N 1 ft at 5 seconds. 
.SAT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 8 seconds and N 1 ft at 3 seconds. 
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 8 seconds and SW 1 ft at 4 seconds. 
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and SW 2 ft at 3 seconds. 
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and SW 2 ft at 4 seconds. 
.MON AND MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 10 seconds and N 1 ft at 3 seconds. 
.TUE...SE winds around 10 kt. Seas 3 to 4 ft. 
.TUE NIGHT AND WED...S winds 10 to 15 kt. Gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers. 
.WED NIGHT...S winds 10 to 15 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:202404270900;;422681
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ255-270900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 ft at
4 seconds. 
.SAT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 8 seconds and W 1 ft at 2 seconds. 
.SAT NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and
E 2 ft at 8 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 5 seconds and E 2 ft at 9 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E
3 ft at 10 seconds. 
.MON AND MON NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and N 2 ft at 3 seconds. 
.TUE THROUGH WED NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. A
chance of.  

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:202404270900;;422682
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ256-270900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 ft at
2 seconds. 
.SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 8 seconds. 
.SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 8 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E
2 ft at 9 seconds. 
.MON AND MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and SW 2 ft at 4 seconds. 
.TUE...SE winds around 10 kt. Seas 2 to 3 ft. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers. 
.WED AND WED NIGHT...S winds 10 to 15 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

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:202404270900;;422688
FZUS51 KBOX 262006
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
406 PM EDT Fri Apr 26 2024

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


ANZ230-270900-
Boston Harbor-
406 PM EDT Fri Apr 26 2024

.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves
1 foot or less. 
.SAT...SW winds around 5 kt, becoming SE 10 to 15 kt in the
afternoon. Waves 1 foot or less. 
.SAT NIGHT...S winds 10 to 15 kt, becoming SW after midnight.
Waves around 2 ft. A chance of showers after midnight. 
.SUN...SW winds 10 to 15 kt. Waves around 2 ft. 
.SUN NIGHT...SW winds 10 to 15 kt, becoming W after midnight.
Waves around 2 ft in the evening, then 1 foot or less. 
.MON AND MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. 
.TUE...SE winds 5 to 10 kt. Waves around 2 ft. 
.TUE NIGHT AND WED...SE winds around 10 kt. Waves around 2 ft. A
chance of showers. 
.WED NIGHT...S winds around 10 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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