Sandy Bay Weather Center
Weather Center


X

ANZ230 Boston Harbor

Expires:202410230000;;708013
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ230-230000-
Boston Harbor-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming E this afternoon. Waves
1 foot or less. 
.TONIGHT...E winds around 5 kt, becoming S after midnight. Waves
1 foot or less. 
.WED...S 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. 
.WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Waves around 2 ft. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. 
.FRI THROUGH SAT NIGHT...NW winds 10 to 15 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:202410230000;;708004
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ231-230000-
Cape Cod Bay-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming NE this afternoon. Seas
1 foot or less. Wave Detail: NW 1 foot at 3 seconds and SW 1 foot
at 4 seconds. 
.TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
N 1 foot at 2 seconds and S 1 foot at 4 seconds. 
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: S 1 foot at 2 seconds and NE 1 foot at 3 seconds,
becoming S 2 ft at 3 seconds and NE 1 foot at 4 seconds. 
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at
4 seconds. 
.THU AND THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SE 2 ft at
10 seconds. 
.FRI AND FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt,
becoming SW 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at
5 seconds and SE 3 ft at 10 seconds. 
.SAT AND SAT NIGHT...SW winds around 10 kt, becoming NW 15 to
20 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.

$$


	        
X

ANZ232 Nantucket Sound

Expires:202410230000;;708008
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ232-230000-
Nantucket Sound-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming E this afternoon. Seas
1 foot or less. Wave Detail: W 1 foot at 3 seconds and SE 1 foot
at 8 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
NE 1 foot at 3 seconds and S 1 foot at 4 seconds. Patchy fog
after midnight with vsby 1 to 3 NM. 
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: NE 1 foot at 3 seconds and SW 1 foot at 3 seconds,
becoming SW 2 ft at 3 seconds and NE 1 foot at 4 seconds. Patchy
fog in the morning with vsby 1 to 3 NM. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
NE 1 foot at 4 seconds. 
.THU AND THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: N 3 ft at 4 seconds and SW 1 foot at
4 seconds. 
.FRI AND FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt,
becoming SW 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: N 2 ft at
4 seconds and SE 2 ft at 10 seconds. 
.SAT AND SAT NIGHT...SW winds 10 to 15 kt, becoming NW 15 to
20 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.

$$


	                	
X

ANZ233 Vinyard Sound

Expires:202410230000;;708009
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ233-230000-
Vineyard Sound-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
1 foot or less. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot
at 9 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
S 1 foot at 4 seconds and SE 1 foot at 8 seconds. 
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 1 foot or less, then around
2 ft in the afternoon. Wave Detail: SW 1 foot at 4 seconds and SE
1 foot at 8 seconds, becoming SW 2 ft at 4 seconds and SE 1 foot
at 8 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 1 foot at 8 seconds. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SW 2 ft at
5 seconds. 
.FRI AND FRI NIGHT...NW winds 10 to 15 kt, becoming SW 5 to
10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds and W
1 foot at 3 seconds. 
.SAT AND SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to
20 kt. Seas 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.

$$


		                	
X

ANZ234 Buzzards Bay

Expires:202410230000;;708010
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ234-230000-
Buzzards Bay-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
1 foot or less. Wave Detail: W 1 foot at 3 seconds and SE 1 foot
at 9 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail:
S 1 foot at 4 seconds and SE 1 foot at 8 seconds. 
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 1 foot or less, then around 2 ft in the afternoon. Wave
Detail: NE 1 foot at 3 seconds and SW 1 foot at 3 seconds,
becoming SW 2 ft at 4 seconds and NE 1 foot at 3 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 1 foot at 8 seconds. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at
11 seconds. 
.FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming SW. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 10 seconds and N 1 foot at
3 seconds. 
.SAT...W winds 10 to 15 kt. Seas around 2 ft. A chance of
showers. 
.SAT 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

ANZ235 Rhode Island Sound

Expires:202410230000;;708011
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ235-230000-
Rhode Island Sound-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
around 2 ft this morning, then 1 foot or less. Wave Detail: SE
2 ft at 9 seconds and SW 1 foot at 4 seconds, becoming SW 1 foot
at 4 seconds and SE 1 foot at 8 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around
2 ft after midnight. Wave Detail: S 1 foot at 4 seconds and SE
1 foot at 8 seconds, becoming SE 2 ft at 8 seconds and S 1 foot
at 4 seconds. 
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
8 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE
2 ft at 8 seconds. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: N 3 ft at 3 seconds and SE 3 ft at
11 seconds. 
.FRI AND FRI NIGHT...NW winds 10 to 15 kt, becoming SW 5 to
10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and SW
2 ft at 3 seconds.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. 
.SAT NIGHT...NW winds 15 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

ANZ236 Narragansett Bay

Expires:202410230000;;708014
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ236-230000-
Narragansett Bay-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming SE around 5 kt this
afternoon. Waves 1 foot or less. 
.TONIGHT...S winds around 5 kt. Waves 1 foot or less. 
.WED...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Waves around 2 ft. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft. 
.FRI THROUGH SAT NIGHT...NW winds 10 to 15 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

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:202410230000;;708012
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ237-230000-
Block Island Sound-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming SE this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
4 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around
2 ft after midnight. Wave Detail: S 1 foot at 4 seconds and SE
1 foot at 8 seconds, becoming SE 2 ft at 8 seconds and S 1 foot
at 3 seconds. 
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
8 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE
2 ft at 8 seconds. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 10 seconds and N 2 ft at
3 seconds. 
.FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming SW. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 10 seconds and N 2 ft at 4 seconds.
.SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. 
.SAT 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:202410230000;;708002
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ250-230000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds 5 to 10 kt, becoming NE this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NE 1 foot at
2 seconds. 
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and NE 1 foot at
3 seconds. 
.WED...S winds 10 to 15 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and SE 2 ft at 9 seconds. 
.WED NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft
at 5 seconds and SE 2 ft at 8 seconds. A chance of showers after
midnight. 
.THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 4 seconds.
A chance of showers in the morning. 
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SE 3 ft at
10 seconds. 
.FRI AND FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt,
becoming SW 5 to 10 kt. Seas 3 to 5 ft. 
.SAT...SW winds around 10 kt. Seas 2 to 4 ft. A chance of
showers. 
.SAT NIGHT...NW winds 15 to 20 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.

$$


	
X

ANZ251 Massachusetts Bay and Ipswich Bay

Expires:202410230000;;708003
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ251-230000-
Massachusetts Bay and Ipswich Bay-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds 5 to 10 kt, becoming NE this afternoon. Seas
1 foot or less. Wave Detail: NE 1 foot at 2 seconds and W 1 foot
at 3 seconds. 
.TONIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: E 2 ft at 9 seconds and NE 1 foot at
3 seconds. 
.WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 4 seconds and E 2 ft at 9 seconds. 
.WED NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and E
2 ft at 8 seconds. 
.THU AND THU NIGHT...N winds 15 to 20 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 7 seconds and NW 2 ft at 3 seconds. 
.FRI AND FRI NIGHT...NE winds 10 to 15 kt, becoming SW 5 to
10 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and NE
3 ft at 6 seconds. 
.SAT...W winds around 10 kt. Seas 2 to 3 ft. A chance of showers.
.SAT 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

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

 
Expires:202410230000;;708005
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ254-230000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming E this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and W 1 foot at
4 seconds. 
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
4 seconds. Patchy fog after midnight with vsby 1 to 3 NM. 
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at
9 seconds. Patchy fog. Vsby 1 to 3 NM. 
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
8 seconds. 
.THU...NW winds 10 to 15 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: NW 2 ft at 3 seconds and S
2 ft at 4 seconds, becoming N 3 ft at 5 seconds and SE 2 ft at
8 seconds. 
.THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 7 ft. Wave Detail: NE 5 ft at 6 seconds and N 3 ft at
5 seconds. 
.FRI...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
7 ft. 
.FRI NIGHT...SW winds 5 to 10 kt. Seas 4 to 5 ft. 
.SAT AND SAT NIGHT...SW winds 10 to 15 kt, becoming NW 15 to
20 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.

$$


		
X

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

Expires:202410230000;;708006
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ255-230000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
704 AM EDT Tue Oct 22 2024

.TODAY...NW winds around 5 kt, becoming SE this afternoon. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
8 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog after
midnight with vsby 1 to 3 NM. 
.WED...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog in the
morning with vsby 1 to 3 NM. 
.WED NIGHT...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. 
.THU...NW winds 10 to 15 kt, becoming N 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and SE
2 ft at 8 seconds, becoming NW 3 ft at 5 seconds and SE 2 ft at
10 seconds. 
.THU NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW
4 ft at 5 seconds and SE 3 ft at 10 seconds. 
.FRI...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. 
.FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. 
.SAT AND SAT NIGHT...SW winds 10 to 15 kt, becoming NW 15 to
20 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.

$$


		
X

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

Expires:202410230000;;708007
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ256-230000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
704 AM EDT Tue Oct 22 2024

.TODAY...NW winds around 5 kt, becoming SE this afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
4 seconds. 
.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 3 seconds and SE 2 ft at 8 seconds. 
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at
8 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE
2 ft at 8 seconds. 
.THU AND THU NIGHT...N winds 15 to 20 kt. Seas 3 to 5 ft. Wave
Detail: NE 4 ft at 5 seconds and SE 4 ft at 11 seconds. 
.FRI AND FRI NIGHT...NW winds 10 to 15 kt, becoming SW 5 to
10 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 10 seconds and N
3 ft at 5 seconds. 
.SAT AND SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to
20 kt. 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.

$$


		
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:202410230000;;708013
FZUS51 KBOX 221105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Tue Oct 22 2024

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


ANZ230-230000-
Boston Harbor-
704 AM EDT Tue Oct 22 2024

.TODAY...N winds around 5 kt, becoming E this afternoon. Waves
1 foot or less. 
.TONIGHT...E winds around 5 kt, becoming S after midnight. Waves
1 foot or less. 
.WED...S 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. 
.WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Waves around 2 ft. 
.THU AND THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. 
.FRI THROUGH SAT NIGHT...NW winds 10 to 15 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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