664  
FZUS51 KBOX 162005  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
405 PM EDT MON JUN 16 2025  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-170900-  
405 PM EDT MON JUN 16 2025  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
HIGH PRESSUREWILL MOVE OFFSHORE MON THEN ANOTHER LOW PRES WILL TRACK  
S OF THE WATERS TUE. WEAK HIGH PRES BUILDS INTO THE WATERS WED. A  
COLD FRONT APPROACHES THE WATERS THURS.  
 

 
 
ANZ250-170900-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. VSBY 1 NM OR LESS.    
TUE
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
SE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
SE 3 FT AT 6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED
 
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.  
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND S 2 FT AT  
4 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT AND THU
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT AT  
7 SECONDS.    
THU NIGHT
 
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 3 FT AT  
8 SECONDS.    
FRI THROUGH SAT 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.  
 

 
 
ANZ251-170900-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. VSBY 1 NM OR LESS.    
TUE
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR  
LESS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
E 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.    
WED
 
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS  
AND S 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF  
SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT AND THU
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT  
4 SECONDS.    
THU NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT  
8 SECONDS.    
FRI THROUGH SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ231-170900-  
CAPE COD BAY-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG THIS  
EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR  
LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
TUE
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE  
MORNING WITH VSBY 1 NM OR LESS.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 4 SECONDS.    
WED
 
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.  
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND SW 1 FOOT  
AT 2 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE  
OF SHOWERS AFTER MIDNIGHT.    
THU AND THU NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT  
7 SECONDS.    
FRI THROUGH SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ254-170900-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS. PATCHY FOG THIS EVENING. A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR LESS, INCREASING TO 1 TO  
3 NM AFTER MIDNIGHT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:  
SE 3 FT AT 7 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT  
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT AND THU
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SE 3 FT AT  
7 SECONDS. A CHANCE OF SHOWERS THROUGH THE DAY.    
THU NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT  
8 SECONDS.    
FRI
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP  
TO 20 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.  
 

 
 
ANZ255-170900-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. PATCHY FOG IN  
THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.  
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S  
3 FT AT 6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
THU
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW  
4 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS  
IN THE MORNING.    
THU NIGHT
 
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
FRI
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT.    
FRI NIGHT AND SAT
 
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO  
15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
SW WINDS AROUND 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.  
 

 
 
ANZ256-170900-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.  
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM  
OR LESS.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.    
WED
 
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.  
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:  
SW 3 FT AT 4 SECONDS AND SE 3 FT AT 7 SECONDS. A CHANCE OF  
SHOWERS AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW  
4 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS  
IN THE MORNING.    
THU NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
4 TO 5 FT.    
FRI THROUGH SAT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 5 FT.    
SAT NIGHT
 
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
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.  
 

 
 
ANZ232-170900-  
NANTUCKET SOUND-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG. A SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR LESS, INCREASING  
TO 1 TO 3 NM AFTER MIDNIGHT.    
TUE
 
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.   
TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS  
AND E 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO  
3 NM.    
WED NIGHT AND THU
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT  
7 SECONDS. A CHANCE OF SHOWERS THROUGH THE DAY.    
THU NIGHT
 
SW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT  
8 SECONDS.    
FRI THROUGH SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ233-170900-  
VINEYARD SOUND-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG. A  
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.    
TUE
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
SE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 6 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND  
SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO  
3 NM.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
S 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS  
AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW  
3 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS  
IN THE MORNING.    
THU NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT.    
FRI AND FRI NIGHT
 
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO  
15 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.    
SAT AND SAT NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
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.  
 

 
 
ANZ234-170900-  
BUZZARDS BAY-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG. A  
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.    
TUE
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 2 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 6 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE  
MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF  
SHOWERS.    
THU AND THU NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT  
AT 7 SECONDS.    
FRI AND FRI NIGHT
 
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO  
15 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.    
SAT AND SAT NIGHT
 
SW 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.  
 

 
 
ANZ235-170900-  
RHODE ISLAND SOUND-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 7 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG. A SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 NM OR LESS.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT  
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 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: S  
3 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU AND THU NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT  
7 SECONDS.    
FRI THROUGH SAT NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO  
25 KT. SEAS 2 TO 4 FT.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
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.  
 

 
 
ANZ237-170900-  
BLOCK ISLAND SOUND-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. VSBY 1 NM OR LESS.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT  
AT 7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS.    
WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN  
THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
S 3 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU AND THU NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND W 2 FT AT  
4 SECONDS.    
FRI THROUGH SAT NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO  
20 KT. SEAS 2 TO 4 FT.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
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.  
 

 
 
ANZ230-170900-  
BOSTON HARBOR-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. WAVES AROUND 2 FT THIS EVENING,  
THEN 1 FOOT OR LESS. PATCHY FOG. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. VSBY 1 NM OR LESS.    
TUE
 
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT  
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS  
IN THE AFTERNOON. VSBY 1 NM OR LESS IN THE MORNING.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE  
OF SHOWERS. VSBY 1 TO 3 NM.    
WED
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND  
2 FT IN THE AFTERNOON. PATCHY FOG IN THE MORNING. A CHANCE OF  
SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT AND THU
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
WAVES AROUND 2 FT.    
THU NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
AROUND 2 FT.    
FRI THROUGH SAT 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.  
 

 
 
ANZ236-170900-  
NARRAGANSETT BAY-  
405 PM EDT MON JUN 16 2025  
   
TONIGHT
 
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG  
AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
TUE
 
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE  
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
S WINDS AROUND 5 KT. WAVES AROUND 2 FT.   
WED
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG IN THE  
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF  
SHOWERS.    
THU AND THU NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
WAVES 2 TO 3 FT.    
FRI THROUGH SAT NIGHT
 
SW 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.  
 

 
 
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