166  
FZUS51 KBOX 300301  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1001 PM EST SUN JAN 29 2023  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-301600-  
1001 PM EST SUN JAN 29 2023  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
A COLD FRONT WILL CROSS THE WATERS EARLY ON MONDAY. ANOTHER WEAK  
FRONT FRONT MOVES OVER THE COASTAL WATERS MONDAY NIGHT WITH ANOTHER  
ROUND OF ISOLATED TO SCATTERED SHOWERS. HIGH PRESSURE WILL SETTLE  
OVER THE WATERS FOR WEDNESDAY THROUGH THURSDAY. A COLD FRONT WILL  
DRIP DOWN ACROSS THE WATERS FROM THE NORTH ON FRIDAY TO BRING GUSTY  
NORTHERLY WINDS ALONG WITH BITTER COLD TEMPERATURES.  
 

 
 
ANZ250-301600-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1001 PM EST SUN JAN 29 2023  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST MONDAY
 
 
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS  
3 TO 5 FT. A SLIGHT CHANCE OF RAIN.    
MON
 
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING SW IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT.    
TUE
 
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 4 FT.    
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.  
SEAS 3 TO 4 FT.    
THU AND THU NIGHT
 
SW WINDS 15 TO 20 KT, BECOMING NW. GUSTS UP  
TO 25 KT. SEAS 3 TO 5 FT.    
FRI AND FRI NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT.  
SEAS 4 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.  
 

 
 
ANZ251-301600-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 3 FT.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN. VSBY 1 TO  
3 NM.    
TUE
 
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
WED AND WED NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT.    
THU AND THU NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW. GUSTS UP  
TO 25 KT. SEAS 2 TO 3 FT.    
FRI AND FRI NIGHT
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO  
20 KT. 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.  
 

 
 
ANZ231-301600-  
CAPE COD BAY-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT. GUSTS  
UP TO 20 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF RAIN.    
MON
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.    
TUE
 
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT.    
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT.    
THU AND THU NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO  
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT.    
FRI AND FRI NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP 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.  
 

 
 
ANZ254-301600-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1001 PM EST SUN JAN 29 2023  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY
 
 
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 5 FT. A CHANCE OF RAIN.    
MON
 
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.  
GUSTS UP TO 20 KT. SEAS 3 TO 4 FT.    
TUE
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO  
5 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 3 TO 4 FT.    
THU AND THU NIGHT
 
SW WINDS 15 TO 20 KT, BECOMING NW. GUSTS UP  
TO 30 KT. SEAS 3 TO 5 FT.    
FRI
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO  
8 FT.    
FRI NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
5 TO 8 FT. A CHANCE OF SNOW.  
 
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.  
 

 
 
ANZ255-301600-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1001 PM EST SUN JAN 29 2023  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY
 
 
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 5 FT. A SLIGHT CHANCE OF RAIN.    
MON
 
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING W WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
TUE
 
NW WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SNOW.    
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 4 FT.    
THU THROUGH FRI NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO  
35 KT. SEAS 4 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.  
 

 
 
ANZ256-301600-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1001 PM EST SUN JAN 29 2023  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY
 
 
   
OVERNIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 5 FT. A SLIGHT CHANCE OF RAIN.    
MON
 
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 20 KT. SEAS 3 TO 4 FT.   
TUE
 
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT.    
THU THROUGH FRI NIGHT
 
NW WINDS 20 TO 25 KT WITH GUSTS UP 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.  
 

 
 
ANZ232-301600-  
NANTUCKET SOUND-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT. A CHANCE OF RAIN.    
MON
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER  
MIDNIGHT. SEAS AROUND 2 FT.    
TUE
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS 2 TO 3 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS AROUND 2 FT.   
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW 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.  
 

 
 
ANZ233-301600-  
VINEYARD SOUND-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 4 FT. A SLIGHT CHANCE OF RAIN.    
MON
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.  
SEAS AROUND 2 FT.    
TUE
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS AROUND 2 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS 1 FOOT OR LESS.    
WED AND WED NIGHT
 
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW 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.  
 

 
 
ANZ234-301600-  
BUZZARDS BAY-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS  
2 TO 3 FT.    
MON
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH  
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT.    
TUE
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS AROUND 2 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS 1 FOOT OR LESS.    
WED AND WED NIGHT
 
W WINDS AROUND 10 KT. SEAS AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW 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.  
 

 
 
ANZ235-301600-  
RHODE ISLAND SOUND-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
3 TO 4 FT.    
MON
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.  
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT.   
TUE
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
SEAS 2 TO 3 FT.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS AROUND 2 FT.   
WED AND WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW WINDS 15 TO 20 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.  
 

 
 
ANZ237-301600-  
BLOCK ISLAND SOUND-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS  
2 TO 4 FT.    
MON
 
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT.    
MON NIGHT
 
SW WINDS AROUND 10 KT, BECOMING NW AFTER MIDNIGHT.  
SEAS 2 TO 3 FT.    
TUE
 
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE  
AFTERNOON. SEAS 2 TO 3 FT.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.    
WED AND WED NIGHT
 
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.  
SEAS AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW 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.  
 

 
 
ANZ230-301600-  
BOSTON HARBOR-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES  
AROUND 2 FT.    
MON
 
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
MON NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING NW WITH GUSTS UP TO  
20 KT AFTER MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF RAIN. VSBY  
1 TO 3 NM.    
TUE
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
WAVES AROUND 2 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. WAVES AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS.    
WED AND WED NIGHT
 
SW WINDS AROUND 10 KT. WAVES AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO  
30 KT.  
 
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.  
 

 
 
ANZ236-301600-  
NARRAGANSETT BAY-  
1001 PM EST SUN JAN 29 2023  
   
OVERNIGHT
 
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. WAVES  
2 TO 3 FT.    
MON
 
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES  
2 TO 3 FT.    
MON NIGHT
 
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.  
WAVES AROUND 2 FT.    
TUE
 
NW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
WED AND WED NIGHT
 
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.    
THU THROUGH FRI NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO  
30 KT.  
 
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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