168  
FZUS51 KBOX 301504  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1004 AM EST SUN NOV 30 2025  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-010400-  
1004 AM EST SUN NOV 30 2025  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
A WARM FRONT MOVES ACROSS THE RI AND MA WATERS SUN. THEN A COLD  
FRONT SWEEPS ACROSS NEW ENGLAND LATE SUN NIGHT, USHERING IN DRIER  
WEATHER AND GUSTY WEST WINDS MON. A COASTAL LOW WILL TRACK NEAR OR  
SOUTH OF NEW ENGLAND TUE/TUE NIGHT, POSSIBLY DEVELOPING INTO A GALE  
CENTER WED, AS IT PULLS AWAY FROM NEW ENGLAND.  
 

 
 
ANZ250-010400-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT.  
WAVE DETAIL: S 2 FT AT 2 SECONDS AND N 1 FOOT AT 4 SECONDS,  
BECOMING S 4 FT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS. PATCHY  
FOG. A CHANCE OF RAIN.    
TONIGHT
 
S WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 7 SECONDS.  
RAIN, MAINLY IN THE EVENING. PATCHY FOG IN THE EVENING WITH VSBY  
1 TO 3 NM.    
MON
 
W WINDS 20 TO 25 KT, BECOMING NW 15 TO 20 KT IN THE  
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND  
SE 2 FT AT 7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
SE 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT  
AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS.    
TUE
 
S WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND SW 1 FOOT AT  
4 SECONDS. RAIN. VSBY 1 TO 3 NM IN THE AFTERNOON.    
TUE NIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE  
4 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING N 6 FT AT  
6 SECONDS AND SE 4 FT AT 8 SECONDS. RAIN. VSBY 1 TO 3 NM.    
WED
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
8 FT.    
WED NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT.    
THU
 
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT.    
THU NIGHT
 
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 40 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.  
 

 
 
ANZ251-010400-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND SE 1 FOOT  
AT 10 SECONDS. PATCHY FOG. A CHANCE OF RAIN WITH VSBY 1 TO 3 NM.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT  
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG IN THE  
EVENING. RAIN LIKELY IN THE EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 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 7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE AROUND 5 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 8 SECONDS.    
TUE
 
S WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT IN THE  
AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT  
5 SECONDS, BECOMING SE 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS. RAIN. VSBY 1 TO 3 NM IN THE AFTERNOON.    
TUE NIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NE  
3 FT AT 4 SECONDS AND SW 2 FT AT 4 SECONDS, BECOMING N 4 FT AT  
5 SECONDS AND SE 2 FT AT 9 SECONDS. RAIN IN THE EVENING, THEN A  
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. VSBY 1 TO 3 NM IN THE  
EVENING.    
WED
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
WED NIGHT THROUGH THU NIGHT
 
NW WINDS 25 TO 30 KT WITH GUSTS UP  
TO 35 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.  
 

 
 
ANZ231-010400-  
CAPE COD BAY-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND N 1 FOOT AT  
5 SECONDS. A CHANCE OF RAIN.    
TONIGHT
 
S WINDS AROUND 20 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS  
AND SE 2 FT AT 9 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY FOG  
IN THE EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 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 7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
SE AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N  
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
TUE
 
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 5 SECONDS  
AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN  
RAIN IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.  
WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS,  
BECOMING N 6 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. RAIN. VSBY  
1 TO 3 NM IN THE EVENING.    
WED
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT.    
THU AND THU NIGHT
 
SW WINDS 20 TO 25 KT, BECOMING NW 25 TO  
35 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.  
 

 
 
ANZ254-010400-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND N 1 FOOT AT  
5 SECONDS. A SLIGHT CHANCE OF RAIN.   
TONIGHT
 
S WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT  
AT 7 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY FOG IN THE  
EVENING.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
SE 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NW  
4 FT AT 6 SECONDS AND SE 2 FT AT 6 SECONDS.    
TUE
 
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.  
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND SW 2 FT AT  
5 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE  
AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
NE WINDS 20 TO 25 KT, BECOMING N 25 TO 30 KT AFTER  
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT.  
WAVE DETAIL: SE 5 FT AT 9 SECONDS AND NE 3 FT AT 5 SECONDS,  
BECOMING N 6 FT AT 6 SECONDS AND SE 6 FT AT 8 SECONDS. RAIN. VSBY  
1 TO 3 NM.    
WED
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO  
9 FT. A CHANCE OF RAIN.    
WED NIGHT THROUGH THU NIGHT
 
NW WINDS 30 TO 35 KT WITH GUSTS UP  
TO 40 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.  
 

 
 
ANZ255-010400-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 6 FT.  
WAVE DETAIL: S 3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS,  
BECOMING S 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF RAIN.    
TONIGHT
 
S WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND  
NE 1 FOOT AT 5 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY FOG  
IN THE EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT  
AT 7 SECONDS AND SE 2 FT AT 7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND SE  
1 FOOT AT 7 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE  
4 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN  
THE MORNING, THEN RAIN IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: S  
6 FT AT 9 SECONDS AND S 5 FT AT 6 SECONDS, BECOMING N 7 FT AT  
6 SECONDS AND S 6 FT AT 9 SECONDS. RAIN. VSBY 1 TO 3 NM.    
WED
 
NW WINDS 25 TO 30 KT. SEAS 6 TO 9 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT.    
THU AND THU NIGHT
 
W WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT,  
BECOMING NW 35 TO 45 KT WITH GUSTS UP TO 50 KT. SEAS 6 TO 9 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.  
 

 
 
ANZ256-010400-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT.  
GUSTS UP TO 30 KT. SEAS AROUND 3 FT, BUILDING TO 4 TO 6 FT. WAVE  
DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING  
S 6 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF RAIN.    
TONIGHT
 
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT AFTER  
MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS.  
PATCHY FOG IN THE EVENING. RAIN LIKELY IN THE EVENING WITH VSBY  
1 TO 3 NM.    
MON
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW  
7 FT AT 7 SECONDS AND S 1 FOOT AT 9 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND  
NE 1 FOOT AT 4 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT  
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. RAIN LIKELY IN THE  
MORNING, THEN RAIN IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: SE  
5 FT AT 9 SECONDS AND NE 4 FT AT 5 SECONDS, BECOMING N 7 FT AT  
5 SECONDS AND S 6 FT AT 9 SECONDS. RAIN, MAINLY IN THE EVENING  
WITH VSBY 1 TO 3 NM.    
WED
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO  
9 FT.    
WED NIGHT
 
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
THU
 
W WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO  
9 FT.    
THU NIGHT
 
NW WINDS 35 TO 45 KT WITH GUSTS UP TO 50 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.  
 

 
 
ANZ232-010400-  
NANTUCKET SOUND-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS AROUND 15 KT, INCREASING TO 20 TO  
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND N  
1 FOOT AT 5 SECONDS. A CHANCE OF RAIN.    
TONIGHT
 
S WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. SEAS  
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 1 FOOT AT  
8 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY FOG IN THE EVENING  
WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND SE 1 FOOT AT  
7 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT IN THE EVENING, THEN 1 FOOT OR LESS.  
WAVE DETAIL: NW 2 FT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS,  
BECOMING NE 1 FOOT AT 4 SECONDS AND W 1 FOOT AT 5 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN  
RAIN IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
NE WINDS 25 TO 30 KT, BECOMING NW AFTER MIDNIGHT.  
SEAS 4 TO 6 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND SE 3 FT AT  
9 SECONDS. RAIN. VSBY 1 TO 3 NM IN THE EVENING.    
WED
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
THU
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO  
5 FT.    
THU NIGHT
 
NW WINDS 30 TO 40 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.  
 

 
 
ANZ233-010400-  
VINEYARD SOUND-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT.  
WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS,  
BECOMING S 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY  
FOG. A CHANCE OF RAIN.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS  
AND E 1 FOOT AT 5 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY  
FOG IN THE EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.  
WAVE DETAIL: W 2 FT AT 6 SECONDS AND NE 1 FOOT AT 5 SECONDS,  
BECOMING E 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.    
TUE
 
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND  
SE 1 FOOT AT 9 SECONDS. RAIN LIKELY IN THE MORNING, THEN RAIN IN  
THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 3 FT AT  
9 SECONDS. RAIN. VSBY 1 TO 3 NM IN THE EVENING.    
WED
 
NW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
THU AND THU NIGHT
 
W WINDS 25 TO 30 KT, BECOMING NW 25 TO 35 KT  
WITH GUSTS UP TO 40 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.  
 

 
 
ANZ234-010400-  
BUZZARDS BAY-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT  
5 SECONDS AND N 1 FOOT AT 5 SECONDS. PATCHY FOG. A CHANCE OF  
RAIN.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT  
AT 6 SECONDS. RAIN, MAINLY IN THE EVENING. PATCHY FOG IN THE  
EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: W 4 FT AT 7 SECONDS AND SE 1 FOOT AT  
5 SECONDS.    
MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS  
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW  
2 FT AT 6 SECONDS AND NE 1 FOOT AT 4 SECONDS, BECOMING NE 1 FOOT  
AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS.    
TUE
 
SE 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  
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. RAIN LIKELY IN  
THE MORNING, THEN RAIN IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N  
3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. RAIN. VSBY 1 TO 3 NM  
IN THE EVENING.    
WED AND WED NIGHT
 
NW WINDS 15 TO 20 KT, BECOMING W. GUSTS UP  
TO 25 KT. SEAS 2 TO 4 FT.    
THU AND THU NIGHT
 
W WINDS 25 TO 30 KT, BECOMING NW. 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.  
 

 
 
ANZ235-010400-  
RHODE ISLAND SOUND-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS AROUND 3 FT, BUILDING TO 4 TO 6 FT.  
WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS,  
BECOMING S 6 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF RAIN.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS.  
PATCHY FOG IN THE EVENING. RAIN IN THE EVENING WITH VSBY 1 TO  
3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND S 3 FT AT 8 SECONDS.    
MON NIGHT
 
N WINDS 10 TO 15 KT, BECOMING SE 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND NE  
1 FOOT AT 5 SECONDS.    
TUE
 
S WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND  
SE 1 FOOT AT 9 SECONDS. RAIN LIKELY IN THE MORNING, THEN RAIN IN  
THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: NW 5 FT AT 4 SECONDS AND S 5 FT AT  
8 SECONDS. RAIN, MAINLY IN THE EVENING WITH VSBY 1 TO 3 NM.    
WED
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
THU AND THU NIGHT
 
W WINDS 25 TO 30 KT, BECOMING NW 25 TO  
35 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.  
 

 
 
ANZ237-010400-  
BLOCK ISLAND SOUND-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT  
WITH GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT  
5 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG. RAIN LIKELY.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT. GUSTS  
UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS.  
PATCHY FOG IN THE EVENING. RAIN LIKELY IN THE EVENING WITH VSBY  
1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND S 3 FT AT 7 SECONDS.    
MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS  
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: W  
2 FT AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS, BECOMING E 1 FOOT AT  
4 SECONDS AND SW 1 FOOT AT 5 SECONDS.    
TUE
 
S WINDS AROUND 10 KT, BECOMING E WITH GUSTS UP TO 20 KT IN  
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS  
AND SE 1 FOOT AT 9 SECONDS. RAIN LIKELY IN THE MORNING, THEN RAIN  
IN THE AFTERNOON WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 20 TO 25 KT. SEAS 3 TO 5 FT, BUILDING TO  
5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND W  
3 FT AT 5 SECONDS, BECOMING SE 5 FT AT 8 SECONDS AND N 4 FT AT  
5 SECONDS. RAIN, MAINLY IN THE EVENING WITH VSBY 1 TO 3 NM.    
WED
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
THU
 
W WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
NW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 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.  
 

 
 
ANZ230-010400-  
BOSTON HARBOR-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT.  
GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF RAIN WITH VSBY  
1 TO 3 NM.    
TONIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
AROUND 2 FT. PATCHY FOG IN THE EVENING. RAIN LIKELY IN THE  
EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND  
2 FT.    
MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES  
1 FOOT OR LESS.    
TUE
 
SE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES  
1 FOOT OR LESS. RAIN. A CHANCE OF SNOW IN THE MORNING. VSBY 1 TO  
3 NM.    
TUE NIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
AROUND 2 FT. RAIN IN THE EVENING, THEN A CHANCE OF RAIN AND SNOW  
AFTER MIDNIGHT. VSBY 1 TO 3 NM IN THE EVENING.    
WED THROUGH THU NIGHT
 
NW WINDS 25 TO 30 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.  
 

 
 
ANZ236-010400-  
NARRAGANSETT BAY-  
1004 AM EST SUN NOV 30 2025  
   
THIS AFTERNOON
 
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT.  
WAVES 2 TO 4 FT. PATCHY FOG. A CHANCE OF RAIN WITH VSBY 1 TO  
3 NM.    
TONIGHT
 
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. WAVES 3 TO 5 FT. PATCHY FOG IN THE  
EVENING. RAIN IN THE EVENING WITH VSBY 1 TO 3 NM.    
MON
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO  
3 FT.    
MON NIGHT
 
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. WAVES  
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.    
TUE
 
SE WINDS 5 TO 10 KT, BECOMING E 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. RAIN. VSBY 1 TO 3 NM IN THE AFTERNOON.    
TUE NIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
2 TO 3 FT. RAIN, MAINLY IN THE EVENING WITH VSBY 1 TO 3 NM.    
WED THROUGH THU NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO  
30 KT. WAVES 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.  
 

 
 
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