686  
FZUS51 KBOX 161404  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1004 AM EDT THU OCT 16 2025  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-170300-  
1004 AM EDT THU OCT 16 2025  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS  
 
HIGH PRES BUILDS INTO WESTERN NEW ENGLAND, AND NW WINDS STRENGTHEN  
AGAIN TO GALE FORCE ON THE EASTERN WATERS TODAY INTO FRI WITH LIGHT  
OCEAN EFFECT SHOWERS.  
 
 
 
ANZ250-170300-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.  
SEAS 6 TO 8 FT. WAVE DETAIL: N 7 FT AT 7 SECONDS AND SE 3 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO  
9 FT. WAVE DETAIL: N 9 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI  
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: N 9 FT  
AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 8 FT. WAVE DETAIL: NE 7 FT AT 11 SECONDS AND NE 6 FT AT  
8 SECONDS.    
SAT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO  
5 TO 10 KT IN THE AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: E 7 FT  
AT 10 SECONDS AND NE 1 FOOT AT 5 SECONDS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E  
5 FT AT 11 SECONDS.    
SUN  
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO  
5 FT.    
SUN NIGHT AND MON  
S WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP  
TO 25 KT. SEAS AROUND 4 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.    
MON NIGHT  
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS  
AROUND 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ251-170300-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND N 3 FT AT  
4 SECONDS.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND NW 2 FT AT 4 SECONDS.   
FRI  
N 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: N 7 FT  
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
4 TO 6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND E 6 FT AT  
11 SECONDS.    
SAT  
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE  
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 11 SECONDS AND  
N 1 FOOT AT 4 SECONDS.    
SAT NIGHT  
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E  
5 FT AT 10 SECONDS.    
SUN  
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO  
4 FT.    
SUN NIGHT  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.    
MON  
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
4 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.   
MON NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ231-170300-  
CAPE COD BAY-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT. GUSTS UP TO 35 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND SE 2 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: N 7 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI  
N 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: N 7 FT  
AT 7 SECONDS AND E 2 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: N 5 FT AT 6 SECONDS AND NE 5 FT AT  
11 SECONDS.    
SAT  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO  
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT  
AT 11 SECONDS AND N 3 FT AT 5 SECONDS.    
SAT NIGHT  
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 11 SECONDS AND N 2 FT AT 5 SECONDS.    
SUN  
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT.    
SUN NIGHT AND MON  
S WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP  
TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ254-170300-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT. GUSTS UP TO 35 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: N 7 FT AT 7 SECONDS AND SE 4 FT AT  
10 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
TONIGHT  
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO  
10 FT. WAVE DETAIL: N 10 FT AT 7 SECONDS AND SE 3 FT AT  
9 SECONDS. A CHANCE OF SHOWERS.    
FRI  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO  
10 FT. WAVE DETAIL: N 10 FT AT 7 SECONDS AND E 9 FT AT 9 SECONDS.   
FRI NIGHT  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,  
DIMINISHING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. WAVE  
DETAIL: NE 8 FT AT 9 SECONDS AND NW 1 FOOT AT 4 SECONDS.    
SAT  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 6 TO 9 FT. WAVE DETAIL: NE 8 FT AT 11 SECONDS AND  
N 1 FOOT AT 4 SECONDS.    
SAT NIGHT  
NW WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT AT 11 SECONDS.    
SUN  
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO  
7 FT.    
SUN NIGHT  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 5 FT. A CHANCE OF SHOWERS.    
MON AND MON NIGHT  
SW WINDS 15 TO 20 KT, BECOMING W. GUSTS UP  
TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.  
 
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.  
 
 
 
ANZ255-170300-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 5 TO 7 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 3 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
9 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI  
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE  
AFTERNOON. SEAS 6 TO 9 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND E  
5 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE  
EVENING. SEAS 5 TO 7 FT, EXCEPT 8 TO 11 FT S AND E OF NANTUCKET.  
WAVE DETAIL: E 6 FT AT 11 SECONDS AND N 3 FT AT 5 SECONDS.    
SAT  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT AT 11 SECONDS AND  
N 3 FT AT 4 SECONDS.    
SAT NIGHT  
NW WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT 11 SECONDS AND NW 1 FOOT  
AT 3 SECONDS.    
SUN  
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
S WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF  
SHOWERS.    
MON  
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. A CHANCE OF  
SHOWERS.  
 
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.  
 
 
 
ANZ256-170300-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 5 TO 7 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND SE 4 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.    
FRI  
N 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: N 5 FT  
AT 5 SECONDS AND E 2 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS  
AND E 3 FT AT 12 SECONDS.    
SAT  
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 12 SECONDS AND  
N 2 FT AT 4 SECONDS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 11 SECONDS.    
SUN  
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
S WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.   
MON  
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF  
SHOWERS.  
 
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.  
 
 
 
ANZ232-170300-  
NANTUCKET SOUND-  
1004 AM EDT THU OCT 16 2025  
   
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.   
FRI  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: N 4 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT  
11 SECONDS.    
SAT  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 12 SECONDS AND  
N 2 FT AT 4 SECONDS.    
SAT NIGHT  
NW WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT 11 SECONDS AND N 1 FOOT AT  
4 SECONDS.    
SUN  
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
SUN NIGHT  
S WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS.    
MON  
SW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ233-170300-  
VINEYARD SOUND-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
SEAS AROUND 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS  
AROUND 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
FRI  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
FRI NIGHT  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E  
2 FT AT 12 SECONDS.    
SAT  
N WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE  
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 12 SECONDS  
AND N 1 FOOT AT 3 SECONDS.    
SAT NIGHT  
SW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
E 2 FT AT 12 SECONDS AND N 1 FOOT AT 3 SECONDS.    
SUN  
S WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.    
SUN NIGHT  
S WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.   
MON  
SW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ234-170300-  
BUZZARDS BAY-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
SEAS AROUND 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS  
AROUND 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
FRI  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.   
FRI NIGHT  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E  
2 FT AT 12 SECONDS.    
SAT  
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N  
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 12 SECONDS.    
SAT NIGHT  
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: N 1 FOOT AT 2 SECONDS AND W 1 FOOT AT 2 SECONDS.    
SUN  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT.    
SUN NIGHT AND MON  
S WINDS 20 TO 25 KT, BECOMING SW. SEAS 3 TO  
4 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ235-170300-  
RHODE ISLAND SOUND-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
N WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.  
SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 4 SECONDS AND SE 3 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E  
1 FOOT AT 9 SECONDS.    
SAT  
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 13 SECONDS AND N 1 FOOT AT  
3 SECONDS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
E 2 FT AT 12 SECONDS AND W 1 FOOT AT 2 SECONDS.    
SUN  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT.    
SUN NIGHT  
S WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.   
MON  
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ237-170300-  
BLOCK ISLAND SOUND-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 3 FT AT  
10 SECONDS.    
TONIGHT  
N WINDS 15 TO 20 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 10 SECONDS.   
FRI  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 2 FT  
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI NIGHT  
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N  
2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.    
SAT  
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO  
3 FT. WAVE DETAIL: E 2 FT AT 13 SECONDS AND N 1 FOOT AT  
3 SECONDS.    
SAT NIGHT  
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
2 FT AT 12 SECONDS.    
SUN  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT.    
SUN NIGHT AND MON  
S WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT.  
SEAS 3 TO 5 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ230-170300-  
BOSTON HARBOR-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
WAVES AROUND 2 FT.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES  
AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.    
FRI  
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT  
AT THE OUTER HARBOR ENTRANCE.    
FRI NIGHT  
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT  
2 TO 4 FT AT THE OUTER HARBOR ENTRANCE.    
SAT  
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES  
1 FOOT OR LESS, EXCEPT 2 TO 4 FT AT THE OUTER HARBOR ENTRANCE.    
SAT NIGHT  
S WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS, EXCEPT  
2 TO 4 FT AT THE OUTER HARBOR ENTRANCE.    
SUN  
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND  
2 FT.    
SUN NIGHT AND MON  
S WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP  
TO 25 KT. WAVES AROUND 2 FT. SHOWERS LIKELY. VSBY 1 TO 3 NM.    
MON NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT. A CHANCE OF SHOWERS.  
 
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.  
 
 
 
ANZ236-170300-  
NARRAGANSETT BAY-  
1004 AM EDT THU OCT 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON  
 
   
THIS AFTERNOON  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.  
WAVES 2 TO 3 FT.    
TONIGHT  
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO  
3 FT.    
FRI  
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
3 FT.    
FRI NIGHT  
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS.    
SAT  
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. WAVES  
AROUND 2 FT.    
SAT NIGHT  
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.    
SUN  
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
3 FT.    
SUN NIGHT AND MON  
S WINDS 15 TO 20 KT, BECOMING SW. GUSTS UP  
TO 25 KT. WAVES 2 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT  
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES  
2 TO 3 FT. A CHANCE OF SHOWERS.  
 
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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