917  
FZUS52 KCHS 090513  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
113 AM EDT WED JUL 9 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  
 
AMZ300-091815-  
113 AM EDT WED JUL 9 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  
WEEKEND.  
 

 
 
AMZ330-091815-  
CHARLESTON HARBOR-  
113 AM EDT WED JUL 9 2025  
   
REST OF TONIGHT
 
S WINDS 5 TO 10 KT.    
WED
 
S WINDS 5 TO 10 KT, INCREASING TO 15 KT WITH GUSTS TO  
20 KT IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN  
THE MORNING, THEN SHOWERS AND TSTMS LIKELY IN THE AFTERNOON. RAIN  
MAY BE HEAVY AT TIMES WITH VSBY 1 NM OR LESS.   
WED NIGHT
 
SW WINDS 10 KT. A CHANCE OF SHOWERS AND TSTMS.    
THU
 
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS IN THE MORNING, THEN  
SHOWERS AND TSTMS LIKELY IN THE AFTERNOON.    
THU NIGHT
 
SW WINDS 10 TO 15 KT. SHOWERS AND TSTMS 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.    
SUN
 
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. A SLIGHT 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.  
 

 
 
AMZ350-091815-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
113 AM EDT WED JUL 9 2025  
   
REST OF TONIGHT
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
WED
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT  
AT 5 SECONDS AND SE 1 FOOT 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 AND S 2 FT AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS  
AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND TSTMS  
AFTER MIDNIGHT.    
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 TO  
4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND S 2 FT AT 4 SECONDS.  
SHOWERS LIKELY. A CHANCE OF TSTMS IN THE EVENING, THEN TSTMS  
LIKELY AFTER MIDNIGHT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT  
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO  
4 FT. SHOWERS LIKELY WITH A CHANCE OF 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.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ352-091815-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
113 AM EDT WED JUL 9 2025  
   
REST OF TONIGHT
 
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.    
WED
 
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE  
1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
WED NIGHT
 
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 8 SECONDS AND S 2 FT AT 5 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 WITH GUSTS TO 20 KT. SEAS 3 TO  
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 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 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND  
TSTMS.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ354-091815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
113 AM EDT WED JUL 9 2025  
   
REST OF TONIGHT
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS LATE.    
WED
 
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT  
4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
WED NIGHT
 
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT  
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 10 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 AND S 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS  
AND TSTMS.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,  
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE EVENING.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 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.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN NIGHT
 
SW WINDS 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND  
TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ374-091815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
113 AM EDT WED JUL 9 2025  
   
REST OF TONIGHT
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
WED
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT  
4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.   
WED NIGHT
 
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 8 SECONDS AND S 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND  
TSTMS.    
THU
 
SW WINDS 10 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 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. WAVE DETAIL: SE 4 FT  
AT 8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN  
THE MORNING.    
FRI NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 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.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.    
SUN NIGHT
 
SW WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
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