666  
FZUS52 KCHS 301055  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
655 AM EDT THU JUL 30 2026  
 
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING  
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY  
 
AMZ300-310000-  
655 AM EDT THU JUL 30 2026  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
A STATIONARY FRONT WILL BE LINGERING ACROSS SOUTHEAST GEORGIA AND  
SOUTH CAROLINA THROUGH THE REST OF THE WEEK.  
 
 
 
AMZ340-310000-  
CHARLESTON HARBOR-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
N WINDS 5 TO 10 KT, BECOMING E EARLY THIS AFTERNOON,  
THEN BECOMING S LATE.    
TONIGHT  
VARIABLE WINDS 5 KT.    
FRI  
E WINDS 5 TO 10 KT.    
FRI NIGHT  
SE WINDS 5 TO 10 KT.    
SAT  
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON.    
SAT NIGHT  
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.    
SUN  
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS AND TSTMS  
LIKELY.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SHOWERS LIKELY WITH A CHANCE  
OF TSTMS.    
MON  
SW WINDS 10 TO 15 KT. SHOWERS AND TSTMS LIKELY.    
MON 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 87 DEGREES.  
 
 
 
AMZ360-310000-  
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT  
20 NM-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT EARLY THIS  
AFTERNOON, THEN BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 5 SECONDS AND E 2 FT AT 8 SECONDS.    
TONIGHT  
S WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS  
2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS.    
FRI  
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT  
7 SECONDS.    
FRI NIGHT  
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 6 SECONDS.    
SAT  
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS  
TO 20 KT IN THE AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT  
4 SECONDS AND SE 2 FT AT 7 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.  
A CHANCE OF SHOWERS AND TSTMS.    
SUN  
S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SUN NIGHT  
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS WITH A  
CHANCE OF TSTMS.    
MON  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
AMZ362-310000-  
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
NW WINDS 5 TO 10 KT, BECOMING NE LATE THIS MORNING AND  
EARLY AFTERNOON, THEN BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL:  
SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.    
TONIGHT  
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 FT.  
WAVE DETAIL: SE 1 FOOT AT 6 SECONDS.    
FRI  
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT  
7 SECONDS.    
FRI NIGHT  
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
SAT  
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS TO  
20 KT IN THE AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT  
4 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS  
AND TSTMS IN THE AFTERNOON.    
SAT NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT  
9 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE EVENING,  
THEN SHOWERS LIKELY AFTER MIDNIGHT.    
SUN  
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS AND TSTMS  
LIKELY.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS WITH A  
CHANCE OF TSTMS.    
MON  
SW WINDS 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
AMZ364-310000-  
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,  
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
NW WINDS 5 TO 10 KT, BECOMING SE LATE. SEAS 2 FT. WAVE  
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.    
TONIGHT  
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS  
2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT  
8 SECONDS.    
FRI  
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.  
WAVE DETAIL: SE 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS IN THE AFTERNOON.    
FRI NIGHT  
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SAT  
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE  
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,  
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.    
SAT NIGHT  
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
SUN  
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS WITH TSTMS  
LIKELY.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
MON  
SW WINDS 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF  
SHOWERS AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
AMZ380-310000-  
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING  
FROM 20 TO 60 NM-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
N WINDS 5 TO 10 KT, BECOMING W LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: S 2 FT AT 7 SECONDS.    
TONIGHT  
SW WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS.    
FRI  
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT  
7 SECONDS.    
FRI NIGHT  
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.    
SAT  
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE  
2 FT AT 7 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO  
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT  
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING S 3 FT AT  
4 SECONDS AND SE 3 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS  
AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND TSTMS  
AFTER MIDNIGHT.    
SUN  
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH A  
CHANCE OF TSTMS.    
SUN NIGHT  
S WINDS 20 KT. SEAS 5 TO 6 FT. SHOWERS WITH TSTMS  
LIKELY.    
MON  
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
AMZ382-310000-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO  
60 NM-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
NW WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
TONIGHT  
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS  
2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT  
8 SECONDS.    
FRI  
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT  
7 SECONDS.    
FRI NIGHT  
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT  
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.    
SAT  
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE  
2 FT AT 7 SECONDS.    
SAT NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO  
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT  
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING S 3 FT AT  
5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE  
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
SUN  
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
SUN NIGHT  
SW WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. SHOWERS WITH A  
CHANCE OF TSTMS.    
MON  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
AMZ384-310000-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO  
60 NM-  
655 AM EDT THU JUL 30 2026  
   
TODAY  
W WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.    
TONIGHT  
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. 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 AFTER MIDNIGHT.    
FRI  
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO 3 FT.  
WAVE DETAIL: SE 3 FT AT 7 SECONDS.    
FRI NIGHT  
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 1 FOOT  
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
SAT  
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE  
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.    
SAT NIGHT  
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO  
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.  
SHOWERS LIKELY WITH A CHANCE OF TSTMS.    
SUN  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
SUN NIGHT  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY  
WITH A CHANCE OF TSTMS.    
MON  
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH  
A CHANCE OF TSTMS.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF  
SHOWERS AND TSTMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
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