017  
FZUS51 KBOX 090502  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
102 AM EDT THU APR 9 2026  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-091800-  
102 AM EDT THU APR 9 2026  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
A LARGE HIGH PRES MOVES E OF THE WATERS THU. A WEAK COLD FRONT  
CROSSES THE WATERS LATE FRI INTO EARLY SAT, FOLLOWED BY ANOTHER HIGH  
PRES BUILDING IN LATER SAT AND SUN. THIS HIGH WILL THEN SLIDE E OF  
THE WATERS SUN NIGHT, WITH A WARM FRONT APPROACHING THE WATERS ON  
MON.  
 

 
 
ANZ250-091800-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.   
THU
 
S WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT.    
THU NIGHT
 
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. PATCHY FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING S  
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 3 TO  
5 FT. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO  
5 FT. SCATTERED SHOWERS IN THE MORNING.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
SUN AND SUN NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.    
MON AND MON NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 4 TO 6 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.  
 

 
 
ANZ251-091800-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
THU
 
S WINDS 5 TO 10 KT, BECOMING SE 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 3 FT.    
FRI
 
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.  
SEAS 2 TO 4 FT.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT AND SAT NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT.    
SUN THROUGH MON NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO  
30 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.  
 

 
 
ANZ231-091800-  
CAPE COD BAY-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
S WINDS AROUND 5 KT. SEAS AROUND 2 FT.    
THU
 
SE WINDS AROUND 5 KT, INCREASING TO AROUND 10 KT WITH  
GUSTS UP TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. PATCHY FOG AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. SCATTERED  
SHOWERS AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. SCATTERED SHOWERS  
IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SUN AND SUN NIGHT
 
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 2 TO 3 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT.    
MON NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ254-091800-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT.    
THU
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
THU NIGHT
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 4 FT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
W WINDS AROUND 15 KT, BECOMING NW IN THE AFTERNOON. GUSTS  
UP TO 20 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.    
SUN AND SUN NIGHT
 
W WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.   
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT.    
MON NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 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.  
 

 
 
ANZ255-091800-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
E WINDS AROUND 5 KT. SEAS AROUND 2 FT.   
THU
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
THU NIGHT
 
SE WINDS AROUND 10 KT, BECOMING S AFTER MIDNIGHT.  
SEAS 2 TO 4 FT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO  
6 FT. SCATTERED SHOWERS IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.    
SUN AND SUN NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT.    
MON NIGHT
 
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 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.  
 

 
 
ANZ256-091800-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
E WINDS AROUND 5 KT. SEAS AROUND 2 FT.   
THU
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
THU NIGHT
 
SE WINDS AROUND 10 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 2 TO 3 FT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
W WINDS 15 TO 20 KT, BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON. SEAS 4 TO 6 FT. SCATTERED SHOWERS IN THE MORNING.    
SAT NIGHT
 
NW WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.  
SEAS 3 TO 5 FT.    
SUN AND SUN NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 3 TO 4 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT.    
MON NIGHT
 
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 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.  
 

 
 
ANZ232-091800-  
NANTUCKET SOUND-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
E WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.    
THU
 
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT  
IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
W WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE  
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS  
IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SUN AND SUN NIGHT
 
S WINDS 5 TO 10 KT, INCREASING TO 15 TO  
20 KT. SEAS 2 TO 3 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT.    
MON NIGHT
 
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 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.  
 

 
 
ANZ233-091800-  
VINEYARD SOUND-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.    
THU
 
E WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS  
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NW  
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. SCATTERED SHOWERS IN  
THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
SUN NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT.    
MON NIGHT
 
SW WINDS 25 TO 30 KT. SEAS 5 TO 7 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.  
 

 
 
ANZ234-091800-  
BUZZARDS BAY-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.    
THU
 
SE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.    
THU NIGHT
 
S WINDS AROUND 10 KT. SEAS AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS. PATCHY FOG AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
FRI
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT, INCREASING TO  
30 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. PATCHY FOG IN THE MORNING  
WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING  
TO 5 TO 10 KT IN THE AFTERNOON. SEAS AROUND 2 FT. SCATTERED  
SHOWERS IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
SUN AND SUN NIGHT
 
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 1 FOOT OR LESS, THEN 2 TO 4 FT.    
MON AND MON NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 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.  
 

 
 
ANZ235-091800-  
RHODE ISLAND SOUND-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.    
THU
 
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT  
IN THE AFTERNOON.    
THU NIGHT
 
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.  
SEAS 2 TO 4 FT. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS 3 TO 4 FT. SCATTERED SHOWERS IN THE MORNING.    
SAT NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.    
SUN AND SUN NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT  
WITH GUSTS UP TO 25 KT. SEAS 2 TO 3 FT.    
MON
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT.    
MON NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 8 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.  
 

 
 
ANZ237-091800-  
BLOCK ISLAND SOUND-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.    
THU
 
SE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
THU NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 4 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT AND SAT NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT.    
SUN AND SUN NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT  
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT.    
MON
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT.    
MON NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 7 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.  
 

 
 
ANZ230-091800-  
BOSTON HARBOR-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.    
THU
 
S WINDS 5 TO 10 KT, BECOMING SE 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.    
THU NIGHT
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. WAVES AROUND 2 FT.    
FRI
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.  
WAVES AROUND 2 FT. PATCHY FOG IN THE MORNING.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES  
AROUND 2 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT AND SAT NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
SUN THROUGH MON NIGHT
 
SW 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.  
 

 
 
ANZ236-091800-  
NARRAGANSETT BAY-  
102 AM EDT THU APR 9 2026  
   
REST OF TONIGHT
 
S WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.    
THU
 
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND  
2 FT IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS. PATCHY FOG AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
2 TO 3 FT. SCATTERED SHOWERS AFTER MIDNIGHT.    
SAT AND SAT NIGHT
 
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.  
WAVES 2 TO 3 FT.    
SUN THROUGH MON
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
WAVES 2 TO 4 FT.    
MON NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
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.  
 

 
 
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