462  
FZUS52 KCHS 032320  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
620 PM EST TUE MAR 3 2026  
 
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  
 
AMZ300-041300-  
620 PM EST TUE MAR 3 2026  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
A BROAD AREA OF HIGH PRESSURE WILL PREVAIL OVER THE WATERS  
THROUGH THE REST OF THE WEEK.  
 

 
 
AMZ330-041300-  
CHARLESTON HARBOR-  
620 PM EST TUE MAR 3 2026  
   
TONIGHT
 
E WINDS 5 KT THIS EVENING, BECOMING LIGHT AND  
VARIABLE. AREAS OF DENSE FOG AFTER MIDNIGHT.    
WED
 
VARIABLE WINDS 5 KT. AREAS OF DENSE FOG.    
WED NIGHT
 
SE WINDS 5 KT.    
THU
 
SE WINDS 5 KT.    
THU NIGHT
 
S WINDS 5 KT.    
FRI
 
S WINDS 5 KT.    
FRI NIGHT
 
S WINDS 5 KT.    
SAT
 
S WINDS 5 TO 10 KT.    
SAT NIGHT
 
S WINDS 5 KT.    
SUN
 
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS.    
SUN NIGHT
 
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 56 DEGREES.  
 

 
 
AMZ350-041300-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
620 PM EST TUE MAR 3 2026  
   
TONIGHT
 
NE WINDS 5 TO 10 KT, DIMINISHING TO 5 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS. AREAS  
OF DENSE FOG LATE THIS EVENING.    
WED
 
VARIABLE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 8 SECONDS. AREAS OF DENSE FOG.    
WED NIGHT
 
SE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT  
AT 9 SECONDS.    
THU
 
SE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT  
9 SECONDS.    
THU NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE  
4 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRI
 
S WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT  
10 SECONDS.    
FRI NIGHT
 
S WINDS 5 KT. SEAS 3 TO 4 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 3 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE  
OF SHOWERS.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS.    
SUN NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT  
CHANCE OF SHOWERS.  
 

 
 
AMZ352-041300-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
620 PM EST TUE MAR 3 2026  
   
TONIGHT
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 8 SECONDS. AREAS OF DENSE FOG LATE THIS EVENING.    
WED
 
NE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT  
8 SECONDS. AREAS OF DENSE FOG.    
WED NIGHT
 
SE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 9 SECONDS.    
THU
 
SE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT  
9 SECONDS.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE  
4 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRI
 
SE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT  
10 SECONDS.    
FRI NIGHT
 
SE WINDS 5 KT. SEAS 3 TO 4 FT.    
SAT
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE  
OF SHOWERS.    
SUN
 
SW WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS.    
SUN NIGHT
 
S WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF  
SHOWERS.  
 

 
 
AMZ354-041300-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
620 PM EST TUE MAR 3 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST WEDNESDAY
 
 
   
TONIGHT
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
3 FT AT 7 SECONDS. AREAS OF DENSE FOG.    
WED
 
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 8 SECONDS. AREAS OF DENSE FOG.    
WED NIGHT
 
E WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT  
9 SECONDS.    
THU
 
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT  
9 SECONDS.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E  
4 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRI
 
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT  
AT 10 SECONDS.    
FRI NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
SAT
 
SE WINDS 5 TO 10 KT. SEAS 3 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE  
OF SHOWERS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF  
SHOWERS.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE  
OF SHOWERS.  
 

 
 
AMZ374-041300-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
620 PM EST TUE MAR 3 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST WEDNESDAY
 
 
   
TONIGHT
 
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE  
4 FT AT 8 SECONDS AND NE 3 FT AT 7 SECONDS. AREAS OF DENSE FOG.    
WED
 
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT  
AT 8 SECONDS AND NE 3 FT AT 7 SECONDS. AREAS OF DENSE FOG.    
WED NIGHT
 
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E  
5 FT AT 9 SECONDS.    
THU
 
SE WINDS 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT  
9 SECONDS.    
THU NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E  
5 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
FRI
 
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT  
AT 10 SECONDS.    
FRI NIGHT
 
SE WINDS 5 TO 10 KT. SEAS 4 FT.    
SAT
 
SE WINDS 5 TO 10 KT. SEAS 4 FT.    
SAT NIGHT
 
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE  
OF SHOWERS.    
SUN
 
S WINDS 5 TO 10 KT. SEAS 4 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 FT. A SLIGHT CHANCE OF  
SHOWERS.  
 

 
 
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