868  
FZUS51 KBOX 260206  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1005 PM EDT THU APR 25 2024  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-261500-  
1005 PM EDT THU APR 25 2024  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
HIGH PRES BUILDS INTO NEW ENGLAND TONIGHT THROUGH FRIDAY. THE HIGH  
EVENTUALLY SHIFTS OFFSHORE THIS WEEKEND. THIS WILL ALLOW A WARM  
FRONT TO LIFT IN AND BRING SHOWERS LATE SATURDAY INTO EARLY  
SUNDAY. THE TRAILING COLD FRONT MAY SLIDE THROUGH ON MONDAY.  
 

 
 
ANZ250-261500-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT, BECOMING W. SEAS 2 TO 3 FT.  
WAVE DETAIL: NE 2 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY  
FROST.    
FRI
 
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND SW 1 FT AT  
3 SECONDS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT  
8 SECONDS.    
SAT
 
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND E 2 FT AT  
8 SECONDS.    
SAT NIGHT AND SUN
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: S 2 FT AT 3 SECONDS AND SE 2 FT AT 10 SECONDS. A CHANCE  
OF SHOWERS THROUGH THE DAY.    
SUN NIGHT
 
SW WINDS AROUND 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 AROUND 10 KT, BECOMING SE. SEAS  
2 TO 3 FT.    
TUE AND TUE NIGHT
 
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ251-261500-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND E 2 FT AT  
8 SECONDS. PATCHY FROST.    
FRI
 
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NW 1 FT AT  
3 SECONDS.    
FRI NIGHT
 
S WINDS AROUND 10 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND NE 1 FT  
AT 3 SECONDS.    
SAT
 
W WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS.  
WAVE DETAIL: SE 1 FT AT 3 SECONDS AND E 1 FT AT 8 SECONDS.    
SAT NIGHT AND SUN
 
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: SE 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF  
SHOWERS THROUGH THE DAY.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT  
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT  
4 SECONDS AND E 2 FT AT 10 SECONDS.    
MON AND MON NIGHT
 
NE WINDS 5 TO 10 KT, BECOMING SE. SEAS  
AROUND 2 FT.    
TUE AND TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT.  
GUSTS UP 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.  
 

 
 
ANZ231-261500-  
CAPE COD BAY-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 5 TO 10 KT, BECOMING W. SEAS AROUND 2 FT.  
WAVE DETAIL: NE 2 FT AT 7 SECONDS AND S 1 FT AT 3 SECONDS. PATCHY  
FROST. PATCHY FOG WITH VSBY 1 TO 3 NM.    
FRI
 
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS  
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: S  
1 FT AT 5 SECONDS AND N 1 FT AT 5 SECONDS, BECOMING N 1 FT AT  
3 SECONDS AND S 1 FT AT 5 SECONDS. PATCHY FOG AND FROST IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS  
1 FOOT OR LESS. WAVE DETAIL: NE 1 FT AT 3 SECONDS AND S 1 FT AT  
5 SECONDS.    
SAT
 
W WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: NE 1 FT AT 3 SECONDS AND S 1 FT AT  
4 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
SW WINDS 5 TO 10 KT WITH GUSTS UP  
TO 20 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SW 1 FT AT 3 SECONDS  
AND E 1 FT AT 10 SECONDS.    
MON AND MON NIGHT
 
N WINDS AROUND 10 KT, BECOMING E. SEAS  
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 10 SECONDS AND NE 1 FT AT  
2 SECONDS.    
TUE AND TUE NIGHT
 
S WINDS 5 TO 10 KT WITH GUSTS UP 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.  
 

 
 
ANZ254-261500-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 5 TO 10 KT, BECOMING NW. SEAS 2 TO 4 FT.  
WAVE DETAIL: NE 3 FT AT 7 SECONDS AND NW 1 FT AT 4 SECONDS.  
PATCHY FROST.    
FRI
 
NE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT  
AT 5 SECONDS AND E 2 FT AT 9 SECONDS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
E 2 FT AT 8 SECONDS AND S 1 FT AT 3 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 3 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND SW 2 FT AT 4 SECONDS.   
MON THROUGH TUE
 
SE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 12 SECONDS AND S 2 FT AT  
4 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 4 FT. A CHANCE OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ255-261500-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
SE WINDS 5 TO 10 KT, BECOMING NE. SEAS 2 TO 3 FT.  
WAVE DETAIL: E 2 FT AT 8 SECONDS AND NE 1 FT AT 4 SECONDS. PATCHY  
FROST.    
FRI
 
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND NE 1 FT AT  
5 SECONDS. PATCHY FROST IN THE MORNING.    
FRI NIGHT
 
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 8 SECONDS AND W 1 FT AT 2 SECONDS.    
SAT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT  
AT 8 SECONDS AND W 1 FT AT 3 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E  
3 FT AT 10 SECONDS.    
MON THROUGH TUE
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: E 3 FT AT 12 SECONDS AND NE 2 FT AT 3 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 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.  
 

 
 
ANZ256-261500-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
SE WINDS AROUND 10 KT, BECOMING NE. SEAS 2 TO 3 FT.  
WAVE DETAIL: SE 3 FT AT 7 SECONDS AND NE 1 FT AT 3 SECONDS.  
PATCHY FROST.    
FRI
 
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 8 SECONDS AND SW 1 FT AT 2 SECONDS.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 8 SECONDS AND W 1 FT AT 2 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 2 FT AT 7 SECONDS.    
MON THROUGH TUE
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: E 3 FT AT 11 SECONDS AND E 2 FT AT 3 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 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.  
 

 
 
ANZ232-261500-  
NANTUCKET SOUND-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
SE WINDS 5 TO 10 KT, BECOMING NW. SEAS AROUND 2 FT.  
WAVE DETAIL: NE 1 FT AT 4 SECONDS AND NW 1 FT AT 4 SECONDS.  
PATCHY FROST.    
FRI
 
N WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS  
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N  
1 FT AT 5 SECONDS AND S 1 FT AT 6 SECONDS, BECOMING N 1 FT AT  
4 SECONDS AND NE 1 FT AT 5 SECONDS. PATCHY FOG AND FROST IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: NE 1 FT AT 4 SECONDS AND S 1 FT AT 4 SECONDS.    
SAT
 
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W  
1 FT AT 2 SECONDS AND SE 1 FT AT 7 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SW 1 FT AT 4 SECONDS  
AND E 1 FT AT 8 SECONDS.    
MON THROUGH TUE
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: E 2 FT AT 3 SECONDS AND E 2 FT AT 12 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP 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.  
 

 
 
ANZ233-261500-  
VINEYARD SOUND-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 5 TO 10 KT, BECOMING W. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: NE 1 FT AT 3 SECONDS AND S 1 FT AT 4 SECONDS. PATCHY  
FROST. PATCHY FOG WITH VSBY 1 TO 3 NM.    
FRI
 
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: SW 1 FT AT 2 SECONDS AND NE 1 FT AT  
5 SECONDS. PATCHY FOG AND FROST IN THE MORNING WITH VSBY 1 TO  
3 NM.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SW 1 FT AT 3 SECONDS AND SE 1 FT AT 7 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 S 1 FT AT 7 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 1 FT AT 7 SECONDS.    
MON THROUGH TUE
 
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: NE 1 FT AT 2 SECONDS AND SW 1 FT AT 5 SECONDS.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 1 FOOT OR LESS. A CHANCE  
OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ234-261500-  
BUZZARDS BAY-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 5 TO 10 KT, BECOMING W. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: NE 1 FT AT 4 SECONDS AND S 1 FT AT 4 SECONDS. PATCHY  
FROST. PATCHY FOG WITH VSBY 1 TO 3 NM.    
FRI
 
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: SW 1 FT AT 2 SECONDS AND NE 1 FT AT  
4 SECONDS. PATCHY FOG AND FROST IN THE MORNING WITH VSBY 1 TO  
3 NM.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: NE 1 FT AT 4 SECONDS AND SW 1 FT AT 4 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 SE 1 FT AT 7 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 1 FT AT 8 SECONDS.    
MON AND MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING E. SEAS 1 FOOT  
OR LESS. WAVE DETAIL: NE 1 FT AT 2 SECONDS AND SW 1 FT AT  
4 SECONDS.    
TUE AND TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S. SEAS 1 FOOT  
OR LESS. A CHANCE OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ235-261500-  
RHODE ISLAND SOUND-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT, BECOMING W AROUND 5 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 2 FT AT  
8 SECONDS. PATCHY FROST.    
FRI
 
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FT AT  
6 SECONDS. PATCHY FOG AND FROST IN THE MORNING WITH VSBY 1 TO  
3 NM.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SE 2 FT AT 8 SECONDS  
AND SW 1 FT AT 4 SECONDS, BECOMING SW 1 FT AT 3 SECONDS AND S  
1 FT AT 7 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 S 1 FT AT 7 SECONDS.    
SAT NIGHT THROUGH SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
SE 2 FT AT 7 SECONDS.    
MON AND MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING E. SEAS AROUND  
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT  
10 SECONDS.    
TUE AND TUE NIGHT
 
SE WINDS AROUND 10 KT, BECOMING S. 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.  
 

 
 
ANZ237-261500-  
BLOCK ISLAND SOUND-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT, BECOMING SW AROUND 5 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FT AT  
2 SECONDS.    
FRI
 
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SE 2 FT AT 8 SECONDS  
AND SW 1 FT AT 4 SECONDS, BECOMING SW 1 FT AT 3 SECONDS AND S  
1 FT AT 7 SECONDS.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W  
1 FT AT 2 SECONDS AND S 1 FT AT 7 SECONDS.    
SAT NIGHT AND SUN
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT  
AT 7 SECONDS.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SW 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.    
MON AND MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING SE. SEAS AROUND  
2 FT.    
TUE AND TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S. 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.  
 

 
 
ANZ230-261500-  
BOSTON HARBOR-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT. WAVES  
1 FOOT OR LESS.    
FRI
 
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
FRI NIGHT
 
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, THEN AROUND 2 FT IN THE  
AFTERNOON.    
SAT NIGHT AND SUN
 
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. A  
CHANCE OF SHOWERS THROUGH THE DAY.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER  
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.    
MON
 
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.    
MON NIGHT THROUGH TUE NIGHT
 
S WINDS 5 TO 10 KT WITH GUSTS UP  
TO 20 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ236-261500-  
NARRAGANSETT BAY-  
1005 PM EDT THU APR 25 2024  
   
OVERNIGHT
 
S WINDS 5 TO 10 KT, BECOMING SW. WAVES 1 FOOT OR  
LESS. PATCHY FOG AND FROST WITH VSBY 1 TO 3 NM.    
FRI
 
N WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES  
1 FOOT OR LESS. PATCHY FOG AND FROST IN THE MORNING WITH VSBY  
1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 5 TO 10 KT. 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.    
SAT NIGHT AND SUN
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT. A CHANCE OF SHOWERS THROUGH THE DAY.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.    
MON AND MON NIGHT
 
NE WINDS 5 TO 10 KT, BECOMING SE. WAVES  
AROUND 2 FT.    
TUE AND TUE NIGHT
 
SE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT,  
BECOMING S. WAVES AROUND 2 FT. A CHANCE OF SHOWERS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
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