939  
FZUS51 KBOX 191402  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1001 AM EDT FRI APR 19 2024  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-200300-  
1001 AM EDT FRI APR 19 2024  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
HIGH PRES BUILDS OVER THE WATERS TODAY, BUT SHIFTS TOWARD NOVA  
SCOTIA BY LATE IN THE DAY. A COLD FRONT CROSSES THE WATERS ON SAT  
BRINGING RAIN SHOWERS AND GUSTY WINDS. HIGH PRES NUDGES IN AS WE  
HEAD INTO NEXT WEEK. WILL HAVE GUSTY WINDS AS WE HEAD INTO EARLY  
NEXT WEEK.  
 

 
 
ANZ250-200300-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: E 2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.  
SHOWERS LIKELY AFTER MIDNIGHT.    
SAT
 
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E  
1 FT AT 4 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE MORNING  
WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT  
5 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT  
6 SECONDS.    
MON AND MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,  
BECOMING SE. SEAS 2 TO 3 FT.    
TUE AND TUE NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 5 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.  
 

 
 
ANZ251-200300-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E 1 FT AT  
11 SECONDS.    
TONIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 4 SECONDS.  
SHOWERS AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT  
AT 4 SECONDS AND E 1 FT AT 5 SECONDS. SHOWERS, MAINLY IN THE  
MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FT AT  
5 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FT AT  
6 SECONDS.    
MON AND MON NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
BECOMING SE. SEAS AROUND 2 FT.    
TUE AND TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ231-200300-  
CAPE COD BAY-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: SE 2 FT AT 4 SECONDS AND E 1 FT AT 11 SECONDS.    
TONIGHT
 
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 1 FT AT 3 SECONDS AND  
S 1 FT AT 4 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT  
AT 4 SECONDS AND E 1 FT AT 4 SECONDS. PATCHY FOG. SHOWERS. VSBY  
1 TO 3 NM IN THE MORNING.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FT AT  
6 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SE 1 FT  
AT 6 SECONDS.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 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.  
 

 
 
ANZ254-200300-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.    
TONIGHT
 
SE WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:  
SE 3 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
SAT
 
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E  
2 FT AT 11 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 3 FT AT  
6 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT  
6 SECONDS.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 4 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ255-200300-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1001 AM EDT FRI APR 19 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
 
 
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: SE 4 FT AT 7 SECONDS AND E 1 FT AT 4 SECONDS.    
TONIGHT
 
SE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E  
1 FT AT 4 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SAT
 
S WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND W 2 FT AT  
4 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE MORNING. VSBY 1 TO  
3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 3 FT AT  
7 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 2 FT AT  
6 SECONDS.    
MON THROUGH TUE NIGHT
 
S 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.  
 

 
 
ANZ256-200300-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1001 AM EDT FRI APR 19 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
 
 
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 1 FT AT  
12 SECONDS.    
TONIGHT
 
SE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E  
1 FT AT 11 SECONDS. PATCHY FOG AFTER MIDNIGHT. SHOWERS LIKELY  
AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS AND W 2 FT AT 4 SECONDS. PATCHY FOG. SHOWERS, MAINLY  
IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 3 FT AT  
7 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT  
7 SECONDS.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 4 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ232-200300-  
NANTUCKET SOUND-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: E 2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS.    
TONIGHT
 
SE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
E 2 FT AT 4 SECONDS AND S 2 FT AT 4 SECONDS. SHOWERS LIKELY AFTER  
MIDNIGHT.    
SAT
 
S WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FT AT  
5 SECONDS. PATCHY FOG. SHOWERS, MAINLY IN THE MORNING. VSBY 1 TO  
3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND  
SE 1 FT AT 6 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FT AT  
6 SECONDS.    
MON THROUGH TUE NIGHT
 
S 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.  
 

 
 
ANZ233-200300-  
VINEYARD SOUND-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: SE 2 FT AT 7 SECONDS AND E 1 FT AT 2 SECONDS.    
TONIGHT
 
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S  
2 FT AT 6 SECONDS AND S 1 FT AT 3 SECONDS. SHOWERS LIKELY AFTER  
MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 4 SECONDS AND SE 2 FT AT 6 SECONDS. PATCHY FOG. SHOWERS.  
VSBY 1 TO 3 NM IN THE MORNING.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT  
7 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 1 FT AT  
7 SECONDS.    
MON THROUGH TUE NIGHT
 
S 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.  
 

 
 
ANZ234-200300-  
BUZZARDS BAY-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: SE 2 FT AT 7 SECONDS AND E 1 FT AT 2 SECONDS.    
TONIGHT
 
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S  
2 FT AT 4 SECONDS AND SE 1 FT AT 3 SECONDS. SHOWERS LIKELY AFTER  
MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW  
2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS. PATCHY FOG. SHOWERS,  
MAINLY IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 1 FT AT  
5 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FT AT  
6 SECONDS.    
MON THROUGH TUE NIGHT
 
S 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.  
 

 
 
ANZ235-200300-  
RHODE ISLAND SOUND-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FT AT 3 SECONDS.    
TONIGHT
 
SE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E  
1 FT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT. SHOWERS LIKELY  
AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS, MAINLY IN THE  
MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT  
7 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT  
7 SECONDS.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ237-200300-  
BLOCK ISLAND SOUND-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FT AT 4 SECONDS.    
TONIGHT
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.  
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FT AT  
4 SECONDS. PATCHY FOG AFTER MIDNIGHT. SHOWERS AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS AND W 2 FT AT 3 SECONDS. SHOWERS, MAINLY IN THE  
MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT  
7 SECONDS.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 2 FT AT  
7 SECONDS.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ230-200300-  
BOSTON HARBOR-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
E WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT  
WITH GUSTS UP TO 20 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT.    
TONIGHT
 
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. WAVES AROUND 2 FT. SHOWERS AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND  
2 FT IN THE AFTERNOON. SHOWERS, MAINLY IN THE MORNING. PATCHY FOG  
IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
MON THROUGH TUE NIGHT
 
S WINDS 10 TO 15 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.  
 

 
 
ANZ236-200300-  
NARRAGANSETT BAY-  
1001 AM EDT FRI APR 19 2024  
   
THIS AFTERNOON
 
SE WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.    
TONIGHT
 
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT. SHOWERS AFTER MIDNIGHT.    
SAT
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SHOWERS, MAINLY IN  
THE MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
SAT NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT.    
SUN AND SUN NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES 2 TO 3 FT.    
MON THROUGH TUE NIGHT
 
S 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  
 
YOU CAN FOLLOW US ON FACEBOOK AT  
WWW.FACEBOOK.COM/NWSBOSTON  
 
YOU CAN FOLLOW US ON TWITTER AT  
@NWSBOSTON  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page