995  
FZUS51 KBOX 210005  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
705 PM EST FRI DEC 20 2024  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-211300-  
705 PM EST FRI DEC 20 2024  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
AN OFFSHORE LOW PRESSURE STORM WILL BRING SOME RAIN AND SNOW INTO  
THIS EVENING ACROSS THE WATERS. THIS WILL BE FOLLOWED BY A COLD  
FRONTAL PASSAGE TONIGHT...BRINGING GUSTY NW WINDS AND POSSIBLY SOME  
FREEZING SPRAY LATE SAT NIGHT INTO SUN MORNING AS VERY COLD AIR  
WORKS INTO THE REGION. HIGH PRES WILL THEN CROSS THE WATERS MON AND  
MOVE EAST OF THE REGION TUE. A WEAK LOW PRES SYSTEM WILL APPROACH  
FROM THE WEST ON TUE FOLLOWED BY HIGH PRES NOSING DOWN FROM QUEBEC  
FOR THE LATTER HALF OF THE HOLIDAY WEEK.  
 

 
 
ANZ250-211300-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TONIGHT
 
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
8 FT, BUILDING TO 8 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT  
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING NE 7 FT AT  
7 SECONDS AND SE 6 FT AT 8 SECONDS. SNOW. RAIN THIS EVENING. VSBY  
1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT, SUBSIDING TO 6 TO  
7 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT 7 SECONDS,  
BECOMING NE 7 FT AT 9 SECONDS AND N 4 FT AT 7 SECONDS. A CHANCE  
OF SNOW SHOWERS IN THE AFTERNOON.    
SAT NIGHT
 
NW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 7 FT. WAVE DETAIL: NE 7 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: NW 4 FT AT 5 SECONDS AND N 3 FT AT 6 SECONDS.  
A CHANCE OF SNOW. VSBY 1 TO 3 NM.    
SUN NIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
3 TO 5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 2 FT AT  
10 SECONDS. A CHANCE OF SNOW IN THE EVENING.    
MON
 
N 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 2 FT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SNOW AFTER MIDNIGHT.    
TUE
 
SW WINDS AROUND 10 KT. SEAS 2 TO 4 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  
2 TO 4 FT. RAIN LIKELY WITH A CHANCE OF SNOW. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO  
5 FT. A CHANCE OF RAIN AND SNOW.    
WED NIGHT
 
N WINDS AROUND 10 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.  
 

 
 
ANZ251-211300-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TONIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
8 FT. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND SE 4 FT AT 9 SECONDS.  
SNOW AND RAIN THIS EVENING, THEN A CHANCE OF SNOW AFTER MIDNIGHT.  
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO  
6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND N 2 FT AT 5 SECONDS.    
SAT NIGHT
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL:  
NE 6 FT AT 9 SECONDS AND N 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: E 4 FT AT 10 SECONDS AND NW 3 FT AT 4 SECONDS.   
SUN NIGHT
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND NW  
2 FT AT 4 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. A CHANCE OF  
SNOW AFTER MIDNIGHT.    
TUE
 
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. SNOW LIKELY WITH A  
CHANCE OF RAIN. VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A  
CHANCE OF RAIN AND SNOW. VSBY 1 TO 3 NM.    
WED NIGHT
 
N WINDS AROUND 10 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.  
 

 
 
ANZ231-211300-  
CAPE COD BAY-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TONIGHT
 
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: N 6 FT AT 6 SECONDS AND SE 3 FT AT 8 SECONDS.  
SNOW. RAIN THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO  
3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS.    
SAT NIGHT
 
NW WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS  
4 TO 6 FT. WAVE DETAIL: NE 5 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 3 TO  
5 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND E 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 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND E  
1 FOOT AT 9 SECONDS. A CHANCE OF SNOW IN THE EVENING.    
MON
 
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
2 TO 3 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. A CHANCE OF  
SNOW AND RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
SW WINDS AROUND 10 KT, BECOMING N. SEAS  
AROUND 2 FT. RAIN LIKELY. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.    
WED NIGHT
 
N WINDS AROUND 10 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.  
 

 
 
ANZ254-211300-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TONIGHT
 
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
9 FT, BUILDING TO 8 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT  
AT 6 SECONDS AND SE 3 FT AT 8 SECONDS, BECOMING NE 7 FT AT  
7 SECONDS AND E 7 FT AT 8 SECONDS. RAIN AND SNOW. VSBY 1 NM OR  
LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 30 KT. SEAS 7 TO 10 FT, SUBSIDING TO 6 TO  
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 8 SECONDS AND NW  
2 FT AT 5 SECONDS, BECOMING NE 8 FT AT 9 SECONDS AND N 4 FT AT  
6 SECONDS. A CHANCE OF SNOW AND RAIN SHOWERS.    
SAT NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS  
5 TO 8 FT. WAVE DETAIL: NE 7 FT AT 8 SECONDS AND NW 4 FT AT  
5 SECONDS. A CHANCE OF SNOW SHOWERS IN THE EVENING.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WAVE DETAIL: N 4 FT  
AT 6 SECONDS AND E 4 FT AT 9 SECONDS. A CHANCE OF SNOW IN THE  
MORNING, THEN SNOW LIKELY IN THE AFTERNOON. VSBY 1 TO 3 NM.    
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  
3 FT AT 9 SECONDS. A CHANCE OF SNOW. VSBY 1 TO 3 NM IN THE  
EVENING.    
MON
 
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO  
4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.   
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
SW WINDS AROUND 10 KT, BECOMING N. SEAS 2 TO  
4 FT. RAIN LIKELY. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO  
5 FT. A CHANCE OF RAIN.    
WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. A CHANCE OF  
RAIN.  
 
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.  
 

 
 
ANZ255-211300-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TONIGHT
 
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO  
9 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND N 3 FT AT 5 SECONDS.  
RAIN. A CHANCE OF SNOW AFTER MIDNIGHT. VSBY 1 NM OR LESS,  
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
NW 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: E 6 FT  
AT 9 SECONDS AND N 4 FT AT 6 SECONDS. A CHANCE OF SNOW AND RAIN  
SHOWERS IN THE AFTERNOON.    
SAT NIGHT
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N  
5 FT AT 6 SECONDS AND E 5 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 5 FT AT 6 SECONDS AND SE 3 FT AT  
10 SECONDS. A CHANCE OF SNOW. VSBY 1 TO 3 NM IN THE AFTERNOON.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE  
EVENING. SEAS 3 TO 5 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND SE  
2 FT AT 9 SECONDS. A CHANCE OF SNOW. VSBY 1 TO 3 NM IN THE  
EVENING.    
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 SE 1 FOOT AT  
9 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
SW WINDS 10 TO 15 KT, BECOMING N. SEAS 2 TO  
4 FT. RAIN LIKELY.    
WED
 
N WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO  
4 FT. A CHANCE OF RAIN.    
WED NIGHT
 
N WINDS AROUND 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.  
 

 
 
ANZ256-211300-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
 
 
   
TONIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO  
7 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND N 3 FT AT 5 SECONDS.  
RAIN THIS EVENING, THEN A CHANCE OF RAIN WITH A SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM  
AFTER MIDNIGHT.    
SAT
 
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS. A CHANCE OF SNOW SHOWERS  
IN THE AFTERNOON.    
SAT NIGHT
 
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N  
5 FT AT 5 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 5 FT AT 5 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 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 SW IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 2 FT AT  
9 SECONDS.    
MON NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 2 TO 3 FT. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
W WINDS 10 TO 15 KT, BECOMING N. SEAS 3 TO  
4 FT. RAIN LIKELY.    
WED
 
N WINDS AROUND 15 KT. SEAS AROUND 3 FT. A CHANCE OF RAIN.    
WED NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 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.  
 

 
 
ANZ232-211300-  
NANTUCKET SOUND-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
 
 
   
TONIGHT
 
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO  
6 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.  
SNOW. RAIN THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO  
3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND E  
3 FT AT 8 SECONDS.    
SAT NIGHT
 
NW WINDS AROUND 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 AFTER MIDNIGHT.    
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 SNOW. 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. A CHANCE OF SNOW.    
MON
 
N 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 SE 1 FOOT AT 9 SECONDS, BECOMING W 1 FOOT  
AT 3 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. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
SW WINDS AROUND 10 KT, BECOMING N. SEAS  
AROUND 2 FT. RAIN LIKELY. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.    
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.  
 

 
 
ANZ233-211300-  
VINEYARD SOUND-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY
 
 
   
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.  
SNOW, MAINLY THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO  
3 NM AFTER MIDNIGHT.    
SAT
 
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 SE 2 FT AT 8 SECONDS.    
SAT NIGHT
 
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 SE 1 FOOT AT  
8 SECONDS.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT  
AT 5 SECONDS AND SE 1 FOOT AT 9 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 SE 1 FOOT AT 9 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND SE  
1 FOOT AT 9 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 SE 1 FOOT  
AT 8 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
W WINDS AROUND 10 KT, BECOMING N. SEAS  
AROUND 2 FT. RAIN LIKELY. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.    
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.  
 

 
 
ANZ234-211300-  
BUZZARDS BAY-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY
 
 
   
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.  
SNOW, MAINLY THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO  
3 NM AFTER MIDNIGHT.    
SAT
 
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.    
SAT NIGHT
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:  
NW 2 FT AT 3 SECONDS AND NE 2 FT AT 7 SECONDS. A CHANCE OF LIGHT  
FREEZING SPRAY.    
SUN
 
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT  
AT 3 SECONDS AND N 2 FT AT 6 SECONDS.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
N 2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 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 SE 1 FOOT  
AT 8 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN  
AROUND 2 FT AFTER MIDNIGHT. A CHANCE OF 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 1 FOOT OR LESS. RAIN  
LIKELY WITH A CHANCE OF SNOW. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.    
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.  
 

 
 
ANZ235-211300-  
RHODE ISLAND SOUND-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY
 
 
   
TONIGHT
 
NE WINDS 20 TO 25 KT, BECOMING N 15 TO 20 KT AFTER  
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 5 FT. WAVE DETAIL: N 4 FT  
AT 6 SECONDS AND SE 4 FT AT 8 SECONDS. SNOW AND RAIN THIS  
EVENING, THEN A CHANCE OF SNOW AFTER MIDNIGHT. VSBY 1 NM OR LESS,  
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
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.    
SAT NIGHT
 
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 15 TO 20 KT. SEAS 2 TO 4 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 3 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN 2 TO  
3 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE AND TUE NIGHT
 
W WINDS 10 TO 15 KT, BECOMING N. SEAS 2 TO  
3 FT. RAIN LIKELY. VSBY 1 TO 3 NM.    
WED
 
N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.    
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.  
 

 
 
ANZ237-211300-  
BLOCK ISLAND SOUND-  
705 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY
 
 
   
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO  
5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.  
A CHANCE OF SNOW. RAIN THIS EVENING WITH VSBY 1 NM OR LESS.    
SAT
 
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND  
E 3 FT AT 7 SECONDS.    
SAT NIGHT
 
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 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: NE 1 FOOT AT 3 SECONDS AND W 1 FOOT  
AT 3 SECONDS.    
MON NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN 2 TO  
3 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.    
TUE THROUGH WED
 
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE  
OF RAIN.    
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.  
 

 
 
ANZ230-211300-  
BOSTON HARBOR-  
705 PM EST FRI DEC 20 2024  
   
TONIGHT
 
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO  
3 FT, EXCEPT 4 TO 6 FT AT THE OUTER HARBOR ENTRANCE. SNOW, MAINLY  
THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER  
MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. GUSTS UP TO 25 KT. WAVES AROUND 2 FT, EXCEPT 3 TO 5 FT  
AT THE OUTER HARBOR ENTRANCE.    
SAT NIGHT
 
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, DIMINISHING TO 10 TO 15 KT IN THE  
AFTERNOON. 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. A CHANCE  
OF SNOW AFTER MIDNIGHT.    
TUE
 
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SNOW LIKELY WITH  
A CHANCE OF RAIN. VSBY 1 TO 3 NM.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE  
OF SNOW AND RAIN.    
WED
 
N WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF  
SNOW.    
WED NIGHT
 
N WINDS AROUND 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.  
 

 
 
ANZ236-211300-  
NARRAGANSETT BAY-  
705 PM EST FRI DEC 20 2024  
   
TONIGHT
 
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO  
3 FT. SNOW, MAINLY THIS EVENING. VSBY 1 NM OR LESS, INCREASING TO  
1 TO 3 NM AFTER MIDNIGHT.    
SAT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO  
3 FT.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES  
2 TO 3 FT.    
SUN
 
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.  
WAVES 2 TO 3 FT.    
SUN NIGHT
 
N WINDS 5 TO 10 KT. WAVES AROUND 2 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 AND TUE NIGHT
 
W WINDS 5 TO 10 KT, BECOMING N. WAVES AROUND  
2 FT. A CHANCE OF RAIN AND SNOW.    
WED
 
N WINDS AROUND 10 KT. WAVES AROUND 2 FT. A CHANCE OF SNOW.   
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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