912  
FZUS52 KCHS 080937  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
537 AM EDT TUE JUL 8 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  
 
AMZ300-082215-  
537 AM EDT TUE JUL 8 2025  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
WEAK HIGH PRESSURE WILL EXTEND ACROSS THE AREA THROUGH THE WEEK.  
 

 
 
AMZ330-082215-  
CHARLESTON HARBOR-  
537 AM EDT TUE JUL 8 2025  
   
TODAY
 
S WINDS 5 TO 10 KT, INCREASING TO 15 KT WITH GUSTS TO 20  
KT THIS AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT
 
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS.    
WED
 
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS.   
WED NIGHT
 
S WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT. SHOWERS LIKELY. A CHANCE OF TSTMS IN  
THE MORNING, THEN TSTMS LIKELY IN THE AFTERNOON.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. A CHANCE OF TSTMS. SHOWERS  
LIKELY, MAINLY IN THE EVENING.    
FRI
 
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.   
SAT
 
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.    
SAT NIGHT
 
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 84 DEGREES.  
 

 
 
AMZ350-082215-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
537 AM EDT TUE JUL 8 2025  
   
TODAY
 
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT LATE. SEAS  
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS THIS MORNING. A CHANCE OF SHOWERS AND TSTMS  
EARLY THIS AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS  
LATE.    
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.    
WED
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT  
AT 9 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT  
AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE  
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
7 SECONDS. SHOWERS LIKELY WITH A CHANCE OF TSTMS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ352-082215-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
537 AM EDT TUE JUL 8 2025  
   
TODAY
 
SW WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: SE 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS.    
TONIGHT
 
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT  
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING,  
THEN A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.    
WED
 
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT  
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.  
WAVE DETAIL: SE 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.   
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ354-082215-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
537 AM EDT TUE JUL 8 2025  
   
TODAY
 
SW WINDS 5 TO 10 KT, BECOMING S THIS AFTERNOON. SEAS  
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS THIS AFTERNOON.    
TONIGHT
 
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT  
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
WED
 
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE  
3 FT AT 7 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY  
IN THE EVENING.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND TSTMS.    
SAT NIGHT
 
SW WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ374-082215-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
537 AM EDT TUE JUL 8 2025  
   
TODAY
 
SW WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: SE 3 FT AT 8 SECONDS AND E 1 FOOT AT 14 SECONDS. A  
SLIGHT CHANCE OF SHOWERS AND TSTMS THIS MORNING.    
TONIGHT
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT  
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING,  
THEN A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.    
WED
 
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT  
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
THU NIGHT
 
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SAT NIGHT
 
SW WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
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