161  
FZUS51 KBOX 232316  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
716 PM EDT WED SEP 23 2020  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO  
25 NM  
 
ANZ200-241200-  
716 PM EDT WED SEP 23 2020  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
HURRICANE TEDDY WILL PASS THROUGH THE GULF OF ST LAWRENCE THIS  
AFTERNOON AND INTO NEWFOUNDLAND OVERNIGHT. OUTER WATERS WILL  
CONTINUE TO EXPERIENCE LEFTOVER SWELL FROM THE STORM. MARINERS ARE  
ENCOURAGED TO STAY UP TO DATE WITH THE LATEST FORECAST. HIGH  
PRESSURE WILL BE CENTERED SOUTH OF THE WATERS FOR THURSDAY AND  
FRIDAY.  
 
FOR INFORMATION ON POSSIBLE HAZARDOUS WEATHER BEYOND THE 24-36 HOUR  
FORECAST PERIOD, PLEASE VISIT WWW.WEATHER.GOV/BOSTON AND FOLLOW THE  
CURRENT HAZARDS LINK ABOVE THE MAP ON THE LEFT.  
 

 
 
ANZ250-241200-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
716 PM EDT WED SEP 23 2020  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
 
 
   
TONIGHT
 
W WINDS AROUND 10 KT. SEAS 4 TO 6 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 4 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO  
4 FT.    
SUN
 
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO  
5 FT.    
SUN NIGHT
 
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. A CHANCE OF SHOWERS.    
MON
 
S WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO  
6 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
4 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.  
 

 
 
ANZ251-241200-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
716 PM EDT WED SEP 23 2020  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TONIGHT
 
W WINDS AROUND 10 KT. SEAS 3 TO 5 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO  
3 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS.    
MON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
4 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 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.  
 

 
 
ANZ231-241200-  
CAPE COD BAY-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND  
2 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS.    
MON AND MON NIGHT
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. SHOWERS LIKELY.  
 
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.  
 

 
 
ANZ254-241200-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
716 PM EDT WED SEP 23 2020  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY
 
 
   
TONIGHT
 
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.  
SEAS 4 TO 6 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 4 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO  
4 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. A CHANCE OF SHOWERS.    
MON AND MON NIGHT
 
S WINDS 15 TO 20 KT, BECOMING SW 10 TO  
15 KT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY.  
 
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.  
 

 
 
ANZ255-241200-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
716 PM EDT WED SEP 23 2020  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY
 
 
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
THU
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO  
3 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
4 TO 6 FT. A CHANCE OF SHOWERS.    
MON AND MON NIGHT
 
S WINDS 15 TO 20 KT, BECOMING SW 10 TO  
15 KT. GUSTS UP TO 25 KT. SEAS 4 TO 7 FT. SHOWERS LIKELY.  
 
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.  
 

 
 
ANZ256-241200-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
716 PM EDT WED SEP 23 2020  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TONIGHT
 
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.  
SEAS 3 TO 5 FT.    
THU
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI NIGHT AND SAT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. A CHANCE OF  
SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT AND MON
 
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO  
20 KT. SEAS 4 TO 7 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
6 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.  
 

 
 
ANZ232-241200-  
NANTUCKET SOUND-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND  
2 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT THROUGH MON NIGHT
 
SW WINDS 15 TO 20 KT. SEAS 2 TO  
4 FT. SHOWERS LIKELY.  
 
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.  
 

 
 
ANZ233-241200-  
VINEYARD SOUND-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI NIGHT AND SAT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SHOWERS  
LIKELY.    
MON AND MON NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 3 TO 5 FT. SHOWERS LIKELY.  
 
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.  
 

 
 
ANZ234-241200-  
BUZZARDS BAY-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT.    
THU
 
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI NIGHT AND SAT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT AND MON
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT.  
SEAS 2 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 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.  
 

 
 
ANZ235-241200-  
RHODE ISLAND SOUND-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT.    
FRI NIGHT AND SAT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SUN NIGHT AND MON
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 4 TO 6 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.  
 

 
 
ANZ237-241200-  
BLOCK ISLAND SOUND-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING  
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
FRI NIGHT AND SAT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT AND MON
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.  
SEAS 4 TO 6 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 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.  
 

 
 
ANZ230-241200-  
BOSTON HARBOR-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.    
THU
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.    
FRI
 
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT  
OR LESS.    
SUN
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.    
SUN NIGHT
 
SW WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS. A  
CHANCE OF SHOWERS.    
MON
 
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. 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.  
 

 
 
ANZ236-241200-  
NARRAGANSETT BAY-  
716 PM EDT WED SEP 23 2020  
   
TONIGHT
 
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
THU
 
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES  
AROUND 2 FT.    
THU NIGHT
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
FRI
 
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
FRI NIGHT THROUGH SAT NIGHT
 
SW WINDS 5 TO 10 KT. WAVES AROUND  
2 FT.    
SUN
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO  
3 FT.    
SUN NIGHT AND MON
 
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.  
WAVES 2 TO 4 FT. SHOWERS LIKELY.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 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.  
 

 
 
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT  
WWW.WEATHER.GOV/BOSTON  
 
YOU CAN FOLLOW US ON FACEBOOK AT  
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV  
 
YOU CAN FOLLOW US ON TWITTER AT  
@NWSBOSTON  
 
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