022  
FZUS52 KCHS 172140  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
539 PM EDT TUE MAR 17 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  
 
AMZ300-181100-  
539 PM EDT TUE MAR 17 2026  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
HIGH PRESSURE WILL PREVAIL THROUGH THE WEEKEND.  
 
 
 
AMZ330-181100-  
CHARLESTON HARBOR-  
539 PM EDT TUE MAR 17 2026  
   
TONIGHT  
NW WINDS 10 KT, BECOMING N LATE THIS EVENING.    
WED  
NE WINDS 5 TO 10 KT.    
WED NIGHT  
NE WINDS 5 KT.    
THU  
NE WINDS 5 TO 10 KT.    
THU NIGHT  
VARIABLE WINDS 5 KT.    
FRI  
W WINDS 5 KT, BECOMING S IN THE AFTERNOON.    
FRI NIGHT  
S WINDS 5 KT.    
SAT  
SW WINDS 5 TO 10 KT.    
SAT NIGHT  
SW WINDS 10 KT.    
SUN  
SW WINDS 5 TO 10 KT.    
SUN NIGHT  
SW WINDS 10 KT.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 61 DEGREES.  
 
 
 
AMZ350-181100-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
539 PM EDT TUE MAR 17 2026  
   
TONIGHT  
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT,  
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SE 3 FT AT  
8 SECONDS AND NW 2 FT AT 4 SECONDS, BECOMING E 3 FT AT 8 SECONDS  
AND NW 2 FT AT 3 SECONDS.    
WED  
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT,  
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: NE 4 FT AT  
7 SECONDS AND W 1 FOOT AT 3 SECONDS, BECOMING NE 4 FT AT  
7 SECONDS.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:  
NE 4 FT AT 8 SECONDS.    
THU  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT  
AT 8 SECONDS.    
THU NIGHT  
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS  
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS.    
FRI  
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.    
FRI NIGHT  
S WINDS 5 TO 10 KT. SEAS 3 FT.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
SW WINDS 15 KT. SEAS 4 FT.  
 
 
 
AMZ352-181100-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
539 PM EDT TUE MAR 17 2026  
   
TONIGHT  
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.    
WED  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT  
AT 7 SECONDS AND W 2 FT AT 3 SECONDS.    
WED NIGHT  
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS.    
THU  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT  
AT 7 SECONDS.    
THU NIGHT  
E WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 3 TO  
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.    
FRI  
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS  
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.    
FRI NIGHT  
S WINDS 5 TO 10 KT. SEAS 3 FT.    
SAT  
SW WINDS 10 KT. SEAS 3 FT.    
SAT NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
 
 
AMZ354-181100-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
539 PM EDT TUE MAR 17 2026  
   
TONIGHT  
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT.  
WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS.    
WED  
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT  
AT 6 SECONDS.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:  
NE 4 FT AT 7 SECONDS.    
THU  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT  
AT 7 SECONDS.    
THU NIGHT  
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS  
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.    
FRI  
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.    
FRI NIGHT  
S WINDS 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS  
3 FT.    
SAT  
SW WINDS 10 KT. SEAS 3 FT.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 FT.  
 
 
 
AMZ374-181100-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
539 PM EDT TUE MAR 17 2026  
   
TONIGHT  
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 3 TO 4 FT.  
WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.    
WED  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT  
IN THE AFTERNOON. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND N 2 FT AT  
4 SECONDS, BECOMING N 4 FT AT 7 SECONDS.    
WED NIGHT  
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO  
5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS.    
THU  
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 5 FT  
AT 7 SECONDS.    
THU NIGHT  
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E  
5 FT AT 8 SECONDS.    
FRI  
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS  
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.    
FRI NIGHT  
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS  
3 TO 4 FT.    
SAT  
SW WINDS 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SC Page
The Nexlab GA Page
Main Text Page