097  
FZUS52 KCHS 280401  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1201 AM EDT MON APR 28 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  
 
AMZ300-281715-  
1201 AM EDT MON APR 28 2025  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
HIGH PRESSURE WILL PREVAIL THROUGH AT LEAST THURSDAY, WITH A COLD  
FRONT TO IMPACT THE REGION LATE IN THE WEEK.  
 

 
 
AMZ330-281715-  
CHARLESTON HARBOR-  
1201 AM EDT MON APR 28 2025  
   
REST OF TONIGHT
 
E WINDS 10 KT.    
MON
 
E WINDS 10 TO 15 KT.    
MON NIGHT
 
E WINDS 5 TO 10 KT.    
TUE
 
E WINDS 5 TO 10 KT.    
TUE NIGHT
 
S WINDS 5 TO 10 KT.    
WED
 
SW WINDS 5 TO 10 KT.    
WED NIGHT
 
S WINDS 5 TO 10 KT.    
THU
 
SW WINDS 10 TO 15 KT.    
THU NIGHT
 
S WINDS 10 TO 15 KT.    
FRI
 
SW WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS AND  
TSTMS.    
FRI NIGHT
 
SW WINDS 10 TO 15 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 73 DEGREES.  
 

 
 
AMZ350-281715-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
1201 AM EDT MON APR 28 2025  
   
REST OF TONIGHT
 
E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 4 FT AT 8 SECONDS.    
MON
 
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.  
WAVE DETAIL: E 4 FT AT 8 SECONDS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 8 SECONDS.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS.    
WED
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT  
AT 8 SECONDS.    
WED NIGHT
 
S WINDS 10 KT. SEAS 3 FT.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 3 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
SW WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS  
AND TSTMS.    
FRI 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.  
 

 
 
AMZ352-281715-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
1201 AM EDT MON APR 28 2025  
   
REST OF TONIGHT
 
E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 4 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS  
LATE.    
MON
 
E WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: E 4 FT AT 7 SECONDS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 8 SECONDS.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS.    
WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT  
8 SECONDS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 FT.    
THU
 
S WINDS 10 KT. SEAS 3 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
FRI 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.  
 

 
 
AMZ354-281715-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
1201 AM EDT MON APR 28 2025  
   
REST OF TONIGHT
 
E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE  
DETAIL: E 4 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS,  
THEN A CHANCE OF SHOWERS AND TSTMS LATE.    
MON
 
E WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT,  
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT  
7 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS, MAINLY  
IN THE MORNING.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 7 SECONDS.    
TUE
 
E WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT  
7 SECONDS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E  
3 FT AT 8 SECONDS.    
WED
 
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT  
AT 8 SECONDS.    
WED NIGHT
 
S WINDS 10 KT. SEAS 3 FT.    
THU
 
S WINDS 10 KT. SEAS 3 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS AND TSTMS.    
FRI 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.  
 

 
 
AMZ374-281715-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
1201 AM EDT MON APR 28 2025  
   
REST OF TONIGHT
 
NE WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 5 FT.  
WAVE DETAIL: NE 5 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS. A  
SLIGHT CHANCE OF SHOWERS AND TSTMS, THEN A CHANCE OF SHOWERS AND  
TSTMS LATE.    
MON
 
E WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 5 FT. WAVE DETAIL:  
E 5 FT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF  
SHOWERS, MAINLY IN THE MORNING.    
MON NIGHT
 
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO  
5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO  
4 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT 8 SECONDS.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 8 SECONDS.    
WED
 
SE WINDS 5 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS  
AND E 2 FT AT 7 SECONDS.    
WED NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 FT.    
THU
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
S 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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