242  
FZUS52 KCHS 271941  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
341 PM EDT WED OCT 27 2021  
 
SOUTH SANTEE RIVER SC TO SAVANNAH GA OUT 20 NM AND SAVANNAH GA  
TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING CHARLESTON HARBOR AND  
GRAYS REEF NATIONAL MARINE SANCTUARY  
 
AMZ300-280815-  
341 PM EDT WED OCT 27 2021  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
A LOW PRESSURE SYSTEM WILL IMPACT THE REGION THURSDAY THROUGH THE  
END OF THE WEEK. HIGH PRESSURE WILL RETURN EARLY NEXT WEEK.  
 

 
 
AMZ330-280815-  
CHARLESTON HARBOR-  
341 PM EDT WED OCT 27 2021  
   
TONIGHT
 
N WINDS 5 KT, BECOMING E AFTER MIDNIGHT.    
THU
 
SE WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS  
TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE  
OF TSTMS IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER  
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF TSTMS. SHOWERS.   
FRI
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A SLIGHT CHANCE  
OF SHOWERS.    
FRI NIGHT
 
W WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS IN  
THE EVENING.    
SAT
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.    
SAT NIGHT
 
W WINDS 10 TO 15 KT.    
SUN
 
W WINDS 10 KT.    
SUN NIGHT
 
NW WINDS 5 TO 10 KT.    
MON
 
NE WINDS 5 TO 10 KT.    
MON NIGHT
 
NE WINDS 5 KT.  
 
MARINERS ARE REMINDED THAT WINDS AND WAVES HIGHER IN AND NEAR TSTMS.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 73 DEGREES.  
 

 
 
AMZ350-280815-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
341 PM EDT WED OCT 27 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
SATURDAY MORNING...  
   
TONIGHT
 
N WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS  
2 FT.    
THU
 
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS  
TO 25 KT IN THE AFTERNOON. SEAS 2 FT, BUILDING TO 3 TO 4 FT IN  
THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE  
AFTERNOON.    
THU NIGHT
 
S WINDS 20 TO 25 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 5 TO 7 FT. A CHANCE OF TSTMS. SHOWERS.   
FRI
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT.  
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING,  
THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
FRI NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF  
SHOWERS.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
SAT NIGHT
 
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
SUN
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.   
MON
 
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
MON NIGHT
 
NE WINDS 5 TO 10 KT. SEAS 2 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ352-280815-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
341 PM EDT WED OCT 27 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
FRIDAY EVENING...  
   
TONIGHT
 
NW WINDS 5 KT, BECOMING SE LATE. SEAS 2 FT.    
THU
 
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS  
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT  
IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS WITH A CHANCE OF TSTMS IN THE AFTERNOON.    
THU NIGHT
 
S WINDS 20 KT, BECOMING SW AFTER MIDNIGHT. SEAS 4 TO  
6 FT. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.    
FRI
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT,  
SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. A SLIGHT CHANCE OF  
SHOWERS.    
FRI NIGHT
 
W WINDS 15 TO 20 KT. GUSTS TO 25 KT IN THE EVENING.  
SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. A SLIGHT  
CHANCE OF SHOWERS IN THE EVENING.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SUN
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 2 FT.    
MON
 
NE WINDS 5 TO 10 KT. SEAS 2 FT.    
MON NIGHT
 
NE WINDS 5 TO 10 KT. SEAS 2 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ354-280815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
341 PM EDT WED OCT 27 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
FRIDAY EVENING...  
   
TONIGHT
 
NE WINDS 5 KT, BECOMING E AFTER MIDNIGHT. SEAS 2 FT.    
THU
 
SE WINDS 10 TO 15 KT, BECOMING S 20 WITH GUSTS TO 25 KT IN  
THE AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT IN THE  
AFTERNOON. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN  
THE MORNING, THEN SHOWERS WITH A CHANCE OF TSTMS IN THE AFTERNOON.   
THU NIGHT
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
5 FT. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.    
FRI
 
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,  
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. A SLIGHT CHANCE OF  
SHOWERS.    
FRI NIGHT
 
W WINDS 15 TO 20 KT. GUSTS TO 25 KT IN THE EVENING.  
SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
SUN
 
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT
 
NW WINDS 10 KT. SEAS 2 FT.    
MON
 
N WINDS 5 TO 10 KT. SEAS 2 FT.    
MON NIGHT
 
NE WINDS 5 TO 10 KT. SEAS 2 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ374-280815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
341 PM EDT WED OCT 27 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
SATURDAY MORNING...  
   
TONIGHT
 
NE WINDS 5 KT, BECOMING E AFTER MIDNIGHT. SEAS 2 TO  
3 FT.    
THU
 
SE WINDS 10 TO 15 KT, BECOMING S 20 TO 25 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT IN THE  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE AFTERNOON.    
THU NIGHT
 
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO  
8 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. SHOWERS WITH A  
CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.    
FRI
 
SW WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT,  
SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. A SLIGHT CHANCE OF TSTMS  
IN THE MORNING. A CHANCE OF SHOWERS.    
FRI NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
6 FT. A CHANCE OF SHOWERS, MAINLY IN THE EVENING.    
SAT
 
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
SAT NIGHT
 
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
SUN
 
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.   
MON
 
N WINDS 10 KT. SEAS 2 TO 3 FT.    
MON NIGHT
 
NE WINDS 10 KT. SEAS 2 TO 3 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
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