325  
FZUS52 KCHS 082000  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
300 PM EST WED JAN 8 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  
 
AMZ300-090815-  
300 PM EST WED JAN 8 2025  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
COLD HIGH PRESSURE WILL PREVAIL INTO LATE WEEK. A LOW PRESSURE  
SYSTEM WILL IMPACT THE AREA FRIDAY INTO FRIDAY NIGHT, FOLLOWED BY  
COOL HIGH PRESSURE RETURNING FOR THE WEEKEND.  
 
 
 
AMZ330-090815-  
CHARLESTON HARBOR-  
300 PM EST WED JAN 8 2025  
   
TONIGHT  
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS  
TO 20 KT LATE THIS EVENING, THEN BECOMING N LATE.   
THU  
N WINDS 10 TO 15 KT.    
THU NIGHT  
N WINDS 5 KT.    
FRI  
NE WINDS 5 TO 10 KT. A CHANCE OF RAIN IN THE AFTERNOON.    
FRI NIGHT  
E WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH  
GUSTS TO 20 KT AFTER MIDNIGHT. RAIN.   
SAT  
W WINDS 15 KT WITH GUSTS TO 20 KT. A CHANCE OF SHOWERS IN  
THE MORNING.    
SAT NIGHT  
NW WINDS 5 TO 10 KT.    
SUN  
N WINDS 5 KT.    
SUN NIGHT  
NW WINDS 5 KT.    
MON  
W WINDS 5 TO 10 KT.    
MON NIGHT  
NW WINDS 10 KT.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 52 DEGREES.  
 
 
 
AMZ350-090815-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
300 PM EST WED JAN 8 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT  
THROUGH THURSDAY MORNING...  
   
TONIGHT  
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT WITH  
GUSTS TO 25 KT AFTER MIDNIGHT, THEN BECOMING N LATE. SEAS 2 TO 3  
FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: W 2 FT AT  
3 SECONDS AND NE 2 FT AT 5 SECONDS, BECOMING N 3 FT AT 4 SECONDS  
AND E 1 FOOT AT 9 SECONDS.    
THU  
N WINDS 15 TO 20 KT GUSTING TO 25 KT, BECOMING NW 10 TO 15  
KT IN THE AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT IN  
THE AFTERNOON. WAVE DETAIL: N 3 FT AT 5 SECONDS AND SW 1 FOOT AT 5  
SECONDS, BECOMING N 3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.    
THU NIGHT  
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE  
2 FT AT 6 SECONDS AND NW 1 FOOT AT 3 SECONDS.    
FRI  
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: NE 2 FT AT  
5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE  
AFTERNOON.    
FRI NIGHT  
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING  
SW 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO  
3 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 2 FT  
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS, BECOMING S 6 FT AT  
6 SECONDS AND NE 1 FOOT AT 4 SECONDS. RAIN.   
SAT  
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 7 TO 9 FT, SUBSIDING TO 5 TO 7 FT IN THE  
AFTERNOON. WAVE DETAIL: S 8 FT AT 9 SECONDS AND E 1 FOOT AT  
10 SECONDS, BECOMING S 7 FT AT 9 SECONDS AND E 1 FOOT AT  
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.    
SAT NIGHT  
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO  
2 TO 3 FT AFTER MIDNIGHT.    
SUN  
N WINDS 5 TO 10 KT. SEAS 2 FT.    
SUN NIGHT  
NW WINDS 5 TO 10 KT. SEAS 2 FT.    
MON  
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.  
 
 
 
AMZ352-090815-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
300 PM EST WED JAN 8 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING  
THROUGH THURSDAY MORNING...  
   
TONIGHT  
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT GUSTING TO  
25 KT LATE THIS EVENING, THEN BECOMING N LATE. SEAS 2 TO 3 FT,  
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: W 3 FT AT 4  
SECONDS AND NE 1 FOOT AT 6 SECONDS, BECOMING NW 3 FT AT 4 SECONDS  
AND E 1 FOOT AT 6 SECONDS.    
THU  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING NW 10 TO  
15 KT IN THE AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN  
THE AFTERNOON. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 1 FOOT AT  
9 SECONDS, BECOMING N 2 FT AT 5 SECONDS AND E 1 FOOT AT  
9 SECONDS.    
THU NIGHT  
N WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: N 2 FT  
AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.    
FRI  
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 1 FOOT AT  
8 SECONDS. A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.    
FRI NIGHT  
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING  
SW 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 3 TO  
4 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: SE 2 FT  
AT 3 SECONDS AND E 2 FT AT 6 SECONDS, BECOMING S 6 FT AT  
6 SECONDS AND NE 1 FOOT AT 5 SECONDS. RAIN.   
SAT  
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE  
AFTERNOON. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT  
9 SECONDS, BECOMING S 6 FT AT 8 SECONDS AND W 3 FT AT 3 SECONDS.  
A CHANCE OF SHOWERS IN THE MORNING.   
SAT NIGHT  
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO  
2 FT AFTER MIDNIGHT.    
SUN  
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
SUN NIGHT  
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
MON  
W WINDS 10 KT. SEAS 2 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.  
 
 
 
AMZ354-090815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
300 PM EST WED JAN 8 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING  
THROUGH THURSDAY MORNING...  
   
TONIGHT  
W WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT GUSTING TO  
25 KT LATE THIS EVENING. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT  
AFTER MIDNIGHT. WAVE DETAIL: W 3 FT AT 3 SECONDS AND NE 1 FOOT AT  
6 SECONDS, BECOMING NW 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.    
THU  
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO  
10 TO 15 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT  
AT 5 SECONDS AND E 2 FT AT 9 SECONDS.    
THU NIGHT  
N WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: NE 2 FT  
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.    
FRI  
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT  
8 SECONDS. A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.    
FRI NIGHT  
SE WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT AFTER  
MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.  
WAVE DETAIL: SE 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS,  
BECOMING SE 6 FT AT 7 SECONDS. RAIN.   
SAT  
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT,  
SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: S 6 FT AT  
8 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING S 4 FT AT 8 SECONDS  
AND W 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.    
SAT NIGHT  
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
SUN  
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
SUN NIGHT  
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.    
MON  
NW WINDS 10 KT. SEAS 2 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.  
 
 
 
AMZ374-090815-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
300 PM EST WED JAN 8 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING  
THROUGH THURSDAY AFTERNOON...  
   
TONIGHT  
W WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT WITH  
GUSTS TO 30 KT LATE THIS EVENING. SEAS 4 TO 5 FT, BUILDING TO  
4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND NE  
3 FT AT 9 SECONDS, BECOMING NW 5 FT AT 5 SECONDS AND NE 3 FT AT  
9 SECONDS.    
THU  
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND  
NE 2 FT AT 9 SECONDS.    
THU NIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO  
2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND E  
1 FOOT AT 9 SECONDS, BECOMING NE 3 FT AT 8 SECONDS.    
FRI  
NE WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT  
8 SECONDS.    
FRI NIGHT  
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT, BECOMING SW  
25 TO 30 KT WITH GUSTS TO 40 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT,  
BUILDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: SE 4 FT AT  
4 SECONDS AND NE 3 FT AT 8 SECONDS, BECOMING S 9 FT AT 7 SECONDS  
AND NE 2 FT AT 8 SECONDS. RAIN.   
SAT  
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE  
AFTERNOON. SEAS 7 TO 9 FT, SUBSIDING TO 5 TO 7 FT IN THE  
AFTERNOON. WAVE DETAIL: S 9 FT AT 8 SECONDS AND W 4 FT AT  
4 SECONDS, BECOMING S 6 FT AT 7 SECONDS AND W 4 FT AT 5 SECONDS.  
A CHANCE OF SHOWERS IN THE MORNING.   
SAT NIGHT  
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER  
MIDNIGHT.    
SUN  
NW WINDS 5 TO 10 KT. SEAS 2 FT.    
SUN NIGHT  
NW WINDS 5 TO 10 KT. SEAS 2 FT.    
MON  
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.    
MON NIGHT  
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.  
 
 
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