561  
FZUS51 KBOX 161805  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
105 PM EST TUE DEC 16 2025  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-170700-  
105 PM EST TUE DEC 16 2025  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
RIDGE OF HIGH PRESSURE BUILDS ACROSS THE WATERS LATER TONIGHT  
AND THEN MOVES WELL OFFSHORE BY WEDNESDAY. LOW PRESSURE AND  
ASSOCIATED COLD FRONT IS EXPECTED TO RESULT IN GALE FORCE WINDS LATE  
THURSDAY INTO FRIDAY.  
 

 
 
ANZ250-170700-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT  
AT 11 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO  
6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE  
1 FOOT AT 11 SECONDS, BECOMING SW 5 FT AT 5 SECONDS AND SE 1 FOOT  
AT 11 SECONDS.   
WED
 
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 1 FOOT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT  
AFTER MIDNIGHT. GUSTS UP TO 35 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W  
4 FT AT 5 SECONDS AND SE 1 FOOT AT 5 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT  
4 SECONDS AND N 1 FOOT AT 4 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 6 SECONDS AND SE 3 FT AT  
11 SECONDS. RAIN LIKELY AFTER MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 7 TO  
10 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
6 TO 9 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
SW 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.  
 

 
 
ANZ251-170700-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND N 1 FOOT  
AT 5 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT  
AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SE 1 FOOT AT  
11 SECONDS.    
WED NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS  
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 1 FOOT AT  
5 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN  
THE AFTERNOON. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT  
AT 3 SECONDS, BECOMING S 2 FT AT 3 SECONDS AND NE 1 FOOT AT  
4 SECONDS.    
THU NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,  
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 40 KT AFTER MIDNIGHT.  
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS AND SE 3 FT AT  
11 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY  
AFTER MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO  
7 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
4 TO 6 FT. A CHANCE OF RAIN.    
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 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.  
 

 
 
ANZ231-170700-  
CAPE COD BAY-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND N 1 FOOT  
AT 6 SECONDS.    
TONIGHT
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 2 FT  
AT 3 SECONDS AND N 1 FOOT AT 5 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W  
2 FT AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT  
AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS.    
THU NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,  
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 40 KT AFTER MIDNIGHT.  
SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 3 FT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS, BECOMING  
SE 5 FT AT 6 SECONDS AND SE 3 FT AT 13 SECONDS. RAIN LIKELY AFTER  
MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 4 TO  
6 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT.    
SAT NIGHT
 
SW 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.  
 

 
 
ANZ254-170700-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
THIS AFTERNOON
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND N 1 FOOT AT  
6 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT  
AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT  
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W  
6 FT AT 6 SECONDS AND S 3 FT AT 10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT  
5 SECONDS AND S 2 FT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 40 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT  
AT 7 SECONDS AND SE 2 FT AT 14 SECONDS. A CHANCE OF RAIN AFTER  
MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 7 TO  
10 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
8 TO 11 FT. RAIN LIKELY.    
SAT
 
W WINDS 20 TO 25 KT. SEAS 7 TO 10 FT.    
SAT NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP 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.  
 

 
 
ANZ255-170700-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
THIS AFTERNOON
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND N 1 FOOT AT  
7 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO  
6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE  
1 FOOT AT 11 SECONDS, BECOMING SW 6 FT AT 6 SECONDS AND SE 1 FOOT  
AT 10 SECONDS.   
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT, BUILDING TO 6 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: SW  
7 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING SW 9 FT  
AT 8 SECONDS AND SE 3 FT AT 10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT, BECOMING  
NW 15 TO 20 KT WITH GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 6 TO  
9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: SW 9 FT  
AT 8 SECONDS AND S 1 FOOT AT 10 SECONDS, BECOMING SW 7 FT AT  
8 SECONDS AND S 1 FOOT AT 10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT  
AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 6 FT AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING  
S 8 FT AT 8 SECONDS AND SE 6 FT AT 14 SECONDS. RAIN LIKELY AFTER  
MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 9 TO  
12 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT. SEAS  
9 TO 13 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.    
SAT 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.  
 

 
 
ANZ256-170700-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
THIS AFTERNOON
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT  
AT 11 SECONDS.    
TONIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 1 FOOT AT  
11 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE  
AFTERNOON. SEAS 5 TO 8 FT, BUILDING TO 7 TO 8 FT IN THE  
AFTERNOON. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND SE 1 FOOT AT  
10 SECONDS, BECOMING SW 8 FT AT 8 SECONDS AND SE 4 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT,  
DIMINISHING TO 15 TO 20 KT WITH GUSTS UP TO 25 KT AFTER MIDNIGHT.  
SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE  
DETAIL: SW 8 FT AT 8 SECONDS AND S 1 FOOT AT 9 SECONDS, BECOMING  
SW 7 FT AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU
 
S 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. WAVE DETAIL: SW  
5 FT AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT AFTER  
MIDNIGHT. GUSTS UP TO 45 KT. SEAS 4 TO 6 FT, BUILDING TO 6 TO  
9 FT AFTER MIDNIGHT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SE  
1 FOOT AT 11 SECONDS, BECOMING S 9 FT AT 8 SECONDS AND S 7 FT AT  
13 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY  
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
S WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS 9 TO  
13 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS  
9 TO 13 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO  
9 FT.    
SAT 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.  
 

 
 
ANZ232-170700-  
NANTUCKET SOUND-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW 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 N 1 FOOT AT  
7 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND N 1 FOOT AT  
6 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,  
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.  
SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND S 1 FOOT AT  
10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT  
AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS.    
THU NIGHT
 
S WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT AFTER  
MIDNIGHT. GUSTS UP TO 40 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO  
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND NE  
1 FOOT AT 5 SECONDS, BECOMING S 6 FT AT 6 SECONDS AND SE 5 FT AT  
14 SECONDS. RAIN LIKELY AFTER MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO  
8 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
5 TO 8 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
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.  
 

 
 
ANZ233-170700-  
VINEYARD SOUND-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT  
7 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT  
AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 2 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,  
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.  
SEAS 4 TO 6 FT, SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE  
DETAIL: SW 5 FT AT 7 SECONDS AND S 1 FOOT AT 10 SECONDS, BECOMING  
SW 4 FT AT 8 SECONDS AND S 1 FOOT AT 10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT  
AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
SEAS 2 TO 4 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING  
S 7 FT AT 7 SECONDS AND S 7 FT AT 13 SECONDS. A CHANCE OF RAIN IN  
THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 6 TO  
9 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
5 TO 8 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ234-170700-  
BUZZARDS BAY-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT  
AT 6 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT  
AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,  
DIMINISHING TO 5 TO 10 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.  
SEAS 3 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE  
DETAIL: SW 5 FT AT 8 SECONDS AND S 1 FOOT AT 10 SECONDS, BECOMING  
SW 3 FT AT 8 SECONDS AND S 1 FOOT AT 10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT  
AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING  
S 6 FT AT 7 SECONDS AND SE 6 FT AT 13 SECONDS. A CHANCE OF RAIN  
IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. SEAS 5 TO  
7 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ235-170700-  
RHODE ISLAND SOUND-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT  
AT 11 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT  
AT 6 SECONDS AND SE 1 FOOT AT 11 SECONDS.    
WED
 
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND SE 2 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT, SUBSIDING TO  
3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND S  
3 FT AT 9 SECONDS, BECOMING SW 5 FT AT 8 SECONDS AND S 3 FT AT  
10 SECONDS.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT  
AT 8 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
SEAS 3 TO 5 FT, BUILDING TO 5 TO 8 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 5 FT AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS, BECOMING  
S 8 FT AT 8 SECONDS AND S 8 FT AT 11 SECONDS. A CHANCE OF RAIN IN  
THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.   
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 8 TO  
11 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
7 TO 10 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ237-170700-  
BLOCK ISLAND SOUND-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND SE 1 FOOT  
AT 11 SECONDS.    
TONIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT  
11 SECONDS.    
WED
 
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT  
10 SECONDS.    
WED NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,  
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.  
SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND S 4 FT AT  
9 SECONDS.    
THU
 
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT  
AT 8 SECONDS AND SE 2 FT AT 10 SECONDS.    
THU NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
SEAS 3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE  
DETAIL: S 5 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING  
S 7 FT AT 7 SECONDS AND SE 6 FT AT 11 SECONDS. A CHANCE OF RAIN  
IN THE EVENING, THEN RAIN AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
FRI
 
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 50 KT. SEAS 8 TO  
11 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
7 TO 10 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
SW WINDS 15 TO 20 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.  
 

 
 
ANZ230-170700-  
BOSTON HARBOR-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
TONIGHT
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. WAVES AROUND 2 FT.    
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES AROUND  
2 FT.    
WED NIGHT
 
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT.    
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 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 15 TO 20 KT WITH GUSTS UP TO 30 KT,  
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 40 KT AFTER MIDNIGHT.  
WAVES AROUND 2 FT. A CHANCE OF RAIN IN THE EVENING, THEN RAIN  
AFTER MIDNIGHT.    
FRI
 
S WINDS 20 TO 25 KT WITH GUSTS UP TO 45 KT. WAVES AROUND  
2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE. RAIN. VSBY  
1 TO 3 NM.    
FRI NIGHT
 
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES  
AROUND 2 FT. A CHANCE OF RAIN.    
SAT AND SAT NIGHT
 
W WINDS 15 TO 20 KT, BECOMING SW 10 TO  
15 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.  
 

 
 
ANZ236-170700-  
NARRAGANSETT BAY-  
105 PM EST TUE DEC 16 2025  
 
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH  
WEDNESDAY EVENING...  
   
THIS AFTERNOON
 
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.  
WAVES AROUND 2 FT.    
TONIGHT
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT.   
WED
 
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO  
5 FT.    
WED NIGHT
 
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT.   
THU
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP  
TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.    
THU NIGHT
 
S WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT,  
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 45 KT AFTER MIDNIGHT.  
WAVES 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. A CHANCE  
OF RAIN IN THE EVENING, THEN RAIN AFTER MIDNIGHT WITH VSBY 1 TO  
3 NM.    
FRI
 
S WINDS 25 TO 30 KT WITH GUSTS UP TO 45 KT. WAVES 5 TO  
8 FT. RAIN. VSBY 1 TO 3 NM.    
FRI NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES  
5 TO 7 FT. A CHANCE OF RAIN.    
SAT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO  
4 FT.    
SAT NIGHT
 
SW WINDS 10 TO 15 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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