196  
FZUS51 KBOX 211206  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
706 AM EST SAT DEC 21 2024  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-220100-  
706 AM EST SAT DEC 21 2024  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
COASTAL LOW PRESSURE SYSTEM HAS MOVED NORTHEAST TOWARDS NOVA SCOTIA  
WITH HIGH PRESSURE BUILDING IN FROM THE GREAT LAKES. GUSTY NORTHWEST  
WIND CONTINUES THROUGH THIS WEEKEND AND DRAWS IN AN ARCTIC AIRMASS  
WHICH COULD LEAD TO FREEZING SEA SPRAY OVERNIGHT INTO SUNDAY  
MORNING. HIGH PRESSURE WILL THEN CROSS THE WATERS MONDAY AND MOVE  
EAST OF THE REGION TUESDAY. A WEAK LOW PRESSURE SYSTEM WILL APPROACH  
FROM THE WEST ON TUESDAY FOLLOWED BY HIGH PRESSURE NOSING DOWN FROM  
QUEBEC FOR THE LATTER HALF OF THE HOLIDAY WEEK.  
 

 
 
ANZ250-220100-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TODAY
 
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO  
9 FT. WAVE DETAIL: N 6 FT AT 7 SECONDS AND E 6 FT AT 8 SECONDS. A  
SLIGHT CHANCE OF SNOW.    
TONIGHT
 
NW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 4 FT AT  
6 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 3 FT AT 10 SECONDS.   
SUN NIGHT
 
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS  
AND SE 2 FT AT 10 SECONDS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
2 FT AT 3 SECONDS AND NE 2 FT AT 5 SECONDS. SNOW LIKELY AFTER  
MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. RAIN AND SNOW LIKELY.  
VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. A CHANCE OF RAIN AND SNOW. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 4 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.  
 

 
 
ANZ251-220100-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS.    
TONIGHT
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE  
5 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E  
2 FT AT 10 SECONDS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE  
2 FT AT 5 SECONDS AND SW 1 FOOT AT 3 SECONDS. SNOW LIKELY AFTER  
MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. SNOW LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF  
SNOW.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 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.  
 

 
 
ANZ231-220100-  
CAPE COD BAY-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS. A SLIGHT CHANCE OF SNOW  
THIS MORNING.    
TONIGHT
 
NW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND NE 4 FT AT  
9 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND W  
1 FOOT AT 6 SECONDS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
N 2 FT AT 5 SECONDS AND W 1 FOOT AT 4 SECONDS. A CHANCE OF SNOW  
AND RAIN LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
W WINDS AROUND 10 KT. SEAS AROUND 2 FT. RAIN. VSBY 1 TO  
3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
RAIN AND SNOW. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 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.  
 

 
 
ANZ254-220100-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TODAY
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 7 TO 10 FT. WAVE DETAIL: N  
9 FT AT 7 SECONDS. A SLIGHT CHANCE OF SNOW.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO  
8 FT. WAVE DETAIL: NE 6 FT AT 9 SECONDS AND NW 5 FT AT 7 SECONDS.   
SUN
 
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 5 FT  
AT 7 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF SNOW.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO  
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW  
2 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. A CHANCE OF RAIN AND  
SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF  
RAIN. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.    
WED NIGHT
 
N WINDS 10 TO 15 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.  
 

 
 
ANZ255-220100-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TODAY
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: E 6 FT  
AT 9 SECONDS AND N 4 FT AT 5 SECONDS. A SLIGHT CHANCE OF SNOW. A  
SLIGHT CHANCE OF RAIN THIS MORNING.    
TONIGHT
 
NW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 6 SECONDS AND E 4 FT AT  
9 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: NW 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.   
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 5 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO  
3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND W 1 FOOT AT 5 SECONDS.   
MON NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND  
NE 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. RAIN LIKELY.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF  
RAIN. VSBY 1 TO 3 NM.    
WED
 
N WINDS AROUND 15 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
N WINDS 10 TO 15 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.  
 

 
 
ANZ256-220100-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO  
7 FT, SUBSIDING TO 4 TO 5 FT THIS AFTERNOON. WAVE DETAIL: E 5 FT  
AT 8 SECONDS AND N 4 FT AT 5 SECONDS, BECOMING N 5 FT AT  
5 SECONDS AND E 4 FT AT 9 SECONDS. A CHANCE OF SNOW AND RAIN THIS  
MORNING. A SLIGHT CHANCE OF SNOW THIS AFTERNOON.    
TONIGHT
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW  
5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.    
SUN NIGHT
 
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS  
AND SE 2 FT AT 9 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND  
SE 2 FT AT 10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE
 
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. RAIN LIKELY.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 3 FT. A CHANCE OF  
RAIN.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 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.  
 

 
 
ANZ232-220100-  
NANTUCKET SOUND-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS. A  
SLIGHT CHANCE OF SNOW. A SLIGHT CHANCE OF RAIN THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND N 3 FT AT 7 SECONDS.  
A CHANCE OF LIGHT FREEZING SPRAY.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT  
AT 4 SECONDS AND N 3 FT AT 7 SECONDS. A CHANCE OF LIGHT FREEZING  
SPRAY IN THE MORNING.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND N  
2 FT AT 6 SECONDS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS  
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N  
1 FOOT AT 4 SECONDS AND W 1 FOOT AT 5 SECONDS, BECOMING W 1 FOOT  
AT 2 SECONDS AND NE 1 FOOT AT 4 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS  
AND SW 1 FOOT AT 5 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND  
NE 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF  
RAIN AND SNOW. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 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.  
 

 
 
ANZ233-220100-  
VINEYARD SOUND-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW 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 2 FT AT 8 SECONDS.  
A SLIGHT CHANCE OF RAIN AND SNOW THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND W 2 FT AT 6 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT  
AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT IN THE  
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: N 2 FT AT 4 SECONDS  
AND SW 1 FOOT AT 5 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND SW  
1 FOOT AT 5 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT  
AT 5 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS  
AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 2 FT AT 4 SECONDS AND NE  
1 FOOT AT 5 SECONDS. A CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.    
TUE
 
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF  
RAIN. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 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.  
 

 
 
ANZ234-220100-  
BUZZARDS BAY-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
4 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A  
SLIGHT CHANCE OF SNOW THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND E 1 FOOT AT  
8 SECONDS.    
SUN
 
NW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND SE 1 FOOT AT  
9 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
N 2 FT AT 4 SECONDS AND SW 1 FOOT AT 5 SECONDS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT  
AT 4 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS  
AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND  
NE 1 FOOT AT 4 SECONDS. A CHANCE OF SNOW AND RAIN AFTER MIDNIGHT.   
TUE
 
W WINDS AROUND 10 KT. SEAS AROUND 2 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
SNOW AND RAIN. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 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.  
 

 
 
ANZ235-220100-  
RHODE ISLAND SOUND-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW 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 8 SECONDS.  
A SLIGHT CHANCE OF RAIN AND SNOW THIS MORNING.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT  
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT  
AT 4 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND  
NE 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE
 
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
RAIN. VSBY 1 TO 3 NM.    
WED AND WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 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.  
 

 
 
ANZ237-220100-  
BLOCK ISLAND SOUND-  
706 AM EST SAT DEC 21 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS  
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE  
4 FT AT 8 SECONDS AND NW 3 FT AT 4 SECONDS. A CHANCE OF SNOW AND  
RAIN THIS MORNING, THEN A SLIGHT CHANCE OF SNOW THIS AFTERNOON.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.    
SUN
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE  
2 FT AT 9 SECONDS.    
MON
 
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND NE 1 FOOT  
AT 3 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
2 FT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN  
AFTER MIDNIGHT.    
TUE
 
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. RAIN LIKELY. VSBY  
1 TO 3 NM.    
TUE NIGHT
 
N WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
RAIN.    
WED AND WED NIGHT
 
N WINDS AROUND 10 KT. SEAS 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.  
 

 
 
ANZ230-220100-  
BOSTON HARBOR-  
706 AM EST SAT DEC 21 2024  
   
TODAY
 
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT THIS  
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT  
AT THE OUTER HARBOR ENTRANCE.    
TONIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES  
AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE.    
SUN
 
NW WINDS 15 TO 20 KT. WAVES AROUND 2 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT  
AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR  
LESS.    
MON
 
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SNOW  
LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SNOW LIKELY.  
VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS AROUND 10 KT. WAVES AROUND 2 FT. A CHANCE OF  
SNOW.    
WED AND WED NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS,  
EXCEPT 2 TO 4 FT AT THE OUTER HARBOR ENTRANCE.  
 
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.  
 

 
 
ANZ236-220100-  
NARRAGANSETT BAY-  
706 AM EST SAT DEC 21 2024  
   
TODAY
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
3 FT. A SLIGHT CHANCE OF SNOW THIS MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
2 TO 3 FT.    
SUN
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO  
3 FT.    
SUN NIGHT
 
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.    
MON
 
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. A CHANCE OF SNOW AND RAIN AFTER  
MIDNIGHT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. SNOW LIKELY WITH A  
CHANCE OF RAIN. VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF  
SNOW.    
WED AND WED NIGHT
 
N WINDS 5 TO 10 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.  
 

 
 
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