447  
FZUS52 KCHS 191104  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
604 AM EST FRI DEC 19 2025  
 
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  
 
AMZ300-192330-  
604 AM EST FRI DEC 19 2025  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
A COLD FRONT WILL SHIFT ACROSS THE AREA EARLY TODAY, RESULTING IN  
AN INFLUX OF DRIER AIR AND BREEZY WINDS. HIGH PRESSURE WILL THEN  
PREVAIL OVER THE WEEKEND, WITH ANOTHER COLD FRONT FORECAST TO  
IMPACT THE AREA MONDAY.  
 

 
 
AMZ330-192330-  
CHARLESTON HARBOR-  
604 AM EST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING
 
 
   
TODAY
 
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT, BECOMING W  
10 TO 15 KT WITH GUSTS TO 20 KT THIS AFTERNOON. A SLIGHT CHANCE  
OF SHOWERS EARLY THIS MORNING.    
TONIGHT
 
NW WINDS 5 TO 10 KT.    
SAT
 
NE WINDS 5 TO 10 KT.    
SAT NIGHT
 
NE WINDS 5 KT, BECOMING W AFTER MIDNIGHT.    
SUN
 
NW WINDS 5 KT.    
SUN NIGHT
 
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH  
GUSTS TO 20 KT AFTER MIDNIGHT.    
MON
 
NE WINDS 10 TO 15 KT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT.    
TUE
 
E WINDS 5 KT.    
TUE NIGHT
 
W WINDS 5 KT.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 54 DEGREES.  
 

 
 
AMZ350-192330-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
604 AM EST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, BECOMING W  
15 TO 20 KT WITH GUSTS TO 25 KT LATE THIS MORNING. SEAS 7 TO  
9 FT, SUBSIDING TO 6 TO 8 FT THIS AFTERNOON. WAVE DETAIL: SE 9 FT  
AT 9 SECONDS, BECOMING SE 7 FT AT 9 SECONDS AND SW 4 FT AT  
6 SECONDS. A SLIGHT CHANCE OF SHOWERS LATE THIS MORNING.    
TONIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT, SUBSIDING TO  
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND  
SW 3 FT AT 7 SECONDS, BECOMING SE 4 FT AT 9 SECONDS AND SW 2 FT  
AT 5 SECONDS.    
SAT
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT  
AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS.    
SAT NIGHT
 
E WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 3 FT.  
WAVE DETAIL: SE 3 FT AT 9 SECONDS AND NE 1 FOOT AT 4 SECONDS.    
SUN
 
NW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
9 SECONDS.    
SUN NIGHT
 
N WINDS 15 TO 20 KT, BECOMING NE 20 TO 25 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.  
WAVE DETAIL: E 3 FT AT 11 SECONDS AND NE 2 FT AT 3 SECONDS,  
BECOMING NE 5 FT AT 5 SECONDS AND SE 3 FT AT 11 SECONDS.    
MON
 
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.   
TUE
 
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.    
TUE NIGHT
 
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.  
 

 
 
AMZ352-192330-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
604 AM EST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO  
10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 6 TO 8 FT, SUBSIDING TO 5  
TO 7 FT THIS AFTERNOON. WAVE DETAIL: SE 7 FT AT 9 SECONDS,  
BECOMING SE 6 FT AT 9 SECONDS.   
TONIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO  
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND W  
2 FT AT 4 SECONDS, BECOMING SE 4 FT AT 9 SECONDS AND W 2 FT AT  
3 SECONDS.    
SAT
 
NE WINDS 10 KT, DIMINISHING TO 5 KT IN THE AFTERNOON. SEAS  
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS.    
SAT NIGHT
 
NE WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 3 FT.  
WAVE DETAIL: SE 3 FT AT 9 SECONDS AND NE 1 FOOT AT 3 SECONDS.    
SUN
 
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 9 SECONDS.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH  
GUSTS TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO  
5 FT AFTER MIDNIGHT. WAVE DETAIL: E 3 FT AT 8 SECONDS, BECOMING  
NE 4 FT AT 5 SECONDS AND SE 3 FT AT 11 SECONDS.    
MON
 
NE WINDS 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.   
TUE
 
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.    
TUE NIGHT
 
SW WINDS 5 KT. SEAS 3 TO 4 FT.  
 

 
 
AMZ354-192330-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
604 AM EST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
 
 
   
TODAY
 
W WINDS 15 TO 20 KT, BECOMING 10 TO 15 KT WITH GUSTS TO  
20 KT THIS AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT THIS  
AFTERNOON. WAVE DETAIL: SE 6 FT AT 9 SECONDS, BECOMING SE 5 FT AT  
9 SECONDS.    
TONIGHT
 
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE  
4 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.    
SAT
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT  
AT 9 SECONDS.    
SAT NIGHT
 
NE WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 TO  
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 1 FOOT AT  
3 SECONDS.    
SUN
 
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT  
AT 9 SECONDS.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT  
AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT AFTER  
MIDNIGHT. WAVE DETAIL: E 3 FT AT 9 SECONDS, BECOMING NE 5 FT AT  
5 SECONDS AND E 2 FT AT 9 SECONDS.    
MON
 
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.   
TUE
 
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.    
TUE NIGHT
 
SW WINDS 5 KT. SEAS 4 TO 5 FT.  
 

 
 
AMZ374-192330-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
604 AM EST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT, BECOMING W  
15 TO 20 KT WITH GUSTS TO 25 KT THIS AFTERNOON. SEAS 7 TO 9 FT,  
SUBSIDING TO 5 TO 7 FT THIS AFTERNOON. WAVE DETAIL: SE 8 FT AT  
9 SECONDS AND SW 4 FT AT 5 SECONDS, BECOMING SE 5 FT AT 9 SECONDS  
AND W 4 FT AT 5 SECONDS.    
TONIGHT
 
NW WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT.  
WAVE DETAIL: SE 4 FT AT 9 SECONDS AND NW 3 FT AT 4 SECONDS.    
SAT
 
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO  
4 FT IN THE AFTERNOON. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND N  
2 FT AT 4 SECONDS, BECOMING E 4 FT AT 9 SECONDS.    
SAT NIGHT
 
E WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 3 TO  
4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND NE 1 FOOT AT  
3 SECONDS.    
SUN
 
NW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT  
9 SECONDS.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER  
MIDNIGHT. WAVE DETAIL: NE 3 FT AT 3 SECONDS AND E 3 FT AT  
9 SECONDS, BECOMING NE 6 FT AT 5 SECONDS AND E 3 FT AT  
11 SECONDS.    
MON
 
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A SLIGHT CHANCE OF  
RAIN.    
MON NIGHT
 
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. A SLIGHT CHANCE  
OF RAIN.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF  
RAIN.    
TUE NIGHT
 
SW WINDS 5 KT. SEAS 4 TO 6 FT.  
 

 
 
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