309  
FZUS52 KCHS 010624  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
224 AM EDT WED JUL 1 2026  
 
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING  
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY  
 
AMZ300-012000-  
224 AM EDT WED JUL 1 2026  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
HIGH PRESSURE CENTERED OVER THE ATLANTIC WILL REMAIN THE PRIMARY  
FEATURE ACROSS THE REGION THROUGH MUCH OF THE WEEK.  
 

 
 
AMZ340-012000-  
CHARLESTON HARBOR-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 KT, DIMINISHING TO 5 KT LATE.    
WED
 
E WINDS 5 TO 10 KT.    
WED NIGHT
 
E WINDS 5 TO 10 KT.    
THU
 
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON.    
THU NIGHT
 
E WINDS 5 TO 10 KT, DIMINISHING TO 5 KT AFTER  
MIDNIGHT.    
FRI
 
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON.    
FRI NIGHT
 
S WINDS 5 TO 10 KT.    
SAT
 
S WINDS 5 TO 10 KT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS.    
SUN
 
S WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.   
SUN NIGHT
 
S WINDS 10 TO 15 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 85 DEGREES.  
 

 
 
AMZ360-012000-  
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT  
20 NM-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
2 FT AT 4 SECONDS AND E 2 FT AT 10 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO  
4 FT IN THE AFTERNOON. WAVE DETAIL: E 3 FT AT 10 SECONDS,  
BECOMING E 3 FT AT 9 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT  
AT 8 SECONDS.    
FRI
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
FRI NIGHT
 
SE WINDS 10 KT, BECOMING S AFTER MIDNIGHT. SEAS 2 TO  
3 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN NIGHT
 
SW WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ362-012000-  
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT  
AT 4 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO  
4 FT IN THE AFTERNOON. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE  
2 FT AT 10 SECONDS, BECOMING E 3 FT AT 6 SECONDS AND E 3 FT AT  
10 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 6 SECONDS AND E  
3 FT AT 9 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT  
AT 8 SECONDS.    
FRI
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT  
7 SECONDS AND SE 2 FT AT 9 SECONDS.    
FRI NIGHT
 
SE WINDS 10 KT, BECOMING S AFTER MIDNIGHT. SEAS 2 TO  
3 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 2 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ364-012000-  
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,  
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT  
AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT  
AT 5 SECONDS AND E 3 FT AT 10 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS.    
FRI
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
FRI NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 2 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ380-012000-  
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING  
FROM 20 TO 60 NM-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 4 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 4 FT. WAVE DETAIL: E 4 FT AT  
7 SECONDS AND E 2 FT AT 10 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: E 4 FT AT  
8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER  
MIDNIGHT.    
FRI
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS. A SLIGHT CHANCE OF TSTMS IN THE MORNING. A SLIGHT  
CHANCE OF SHOWERS.    
FRI NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
2 TO 3 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE  
OF SHOWERS AND TSTMS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN NIGHT
 
S WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ382-012000-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO  
60 NM-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 3 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT  
AT 7 SECONDS AND E 3 FT AT 10 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND NE 3 FT  
AT 7 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 8 SECONDS AND E 3 FT AT 8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS AND E 3 FT AT 9 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS AFTER MIDNIGHT.    
FRI
 
E WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT  
9 SECONDS AND E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS IN THE MORNING.    
FRI NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
3 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN NIGHT
 
S WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ384-012000-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO  
60 NM-  
224 AM EDT WED JUL 1 2026  
   
REST OF TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT  
AT 6 SECONDS AND E 3 FT AT 9 SECONDS.    
WED NIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 7 SECONDS AND E  
3 FT AT 9 SECONDS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT  
AT 7 SECONDS AND E 3 FT AT 8 SECONDS.    
THU NIGHT
 
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS.    
FRI
 
E WINDS 5 KT. SEAS 3 FT. WAVE DETAIL: NE 2 FT AT 8 SECONDS  
AND SE 2 FT AT 9 SECONDS.    
FRI NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS  
2 TO 3 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 2 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS  
AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
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