882  
FZUS52 KCHS 212257  
CWFCHS  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE CHARLESTON SC  
657 PM EDT SAT APR 21 2018  
 
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  
 
AMZ300-221015-  
657 PM EDT SAT APR 21 2018  
 
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA  
AND NORTH COASTAL GEORGIA...  
COOL AND DRY HIGH PRESSURE WILL PREVAIL INTO SUNDAY. A LOW  
PRESSURE SYSTEM WILL APPROACH THE AREA SUNDAY NIGHT AND WILL THEN  
SLOWLY MOVE UP THE COAST THROUGH THE MIDDLE OF NEXT WEEK. WEAK  
HIGH PRESSURE WILL RETURN LATE NEXT WEEK.  
 

 
 
AMZ330-221015-  
CHARLESTON HARBOR-  
657 PM EDT SAT APR 21 2018  
   
TONIGHT
 
E WINDS 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO  
10 KT LATE THIS EVENING.    
SUN
 
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A SLIGHT CHANCE  
OF SHOWERS IN THE AFTERNOON.    
SUN NIGHT
 
E WINDS 15 KT WITH GUSTS TO 20 KT. A CHANCE OF  
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
MON
 
E WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE  
AFTERNOON. WAVES 2 TO 3 FT. SHOWERS.   
MON NIGHT
 
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT  
AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS.   
TUE
 
S WINDS 10 TO 15 KT. SHOWERS, MAINLY IN THE MORNING.    
TUE NIGHT
 
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. A  
CHANCE OF SHOWERS.    
WED
 
W WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS.    
WED NIGHT
 
W WINDS 5 TO 10 KT.    
THU
 
W WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS.   
THU NIGHT
 
W WINDS 5 TO 10 KT.  
 
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.  
 
CHARLESTON HARBOR WATER TEMPERATURE 65 DEGREES.  
 

 
 
AMZ350-221015-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
657 PM EDT SAT APR 21 2018  
   
TONIGHT
 
E WINDS 15 KT WITH GUSTS NEAR 20 KT, DECREASING TO 10  
TO 15 KT BY LATE EVENING. SEAS 3 TO 5 FT.   
SUN
 
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT IN THE  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
SUN NIGHT
 
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
6 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS  
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
MON
 
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT,  
BUILDING TO 8 TO 10 FT IN THE AFTERNOON. SHOWERS. A SLIGHT CHANCE  
OF TSTMS IN THE AFTERNOON.    
MON NIGHT
 
SE WINDS 25 TO 30 KT. SEAS 9 TO 11 FT. SHOWERS WITH  
A SLIGHT CHANCE OF TSTMS.    
TUE
 
S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, DIMINISHING TO  
10 TO 15 KT IN THE AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO  
7 FT IN THE AFTERNOON. SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN  
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.    
TUE NIGHT
 
S WINDS 10 TO 15 KT, BECOMING SW AFTER MIDNIGHT.  
SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.    
WED
 
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ352-221015-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
657 PM EDT SAT APR 21 2018  
   
TONIGHT
 
E WINDS 15 KT WITH GUSTS NEAR 20 KT, THEN DECREASING  
TO 10 TO 15 KT BY LATE EVENING. SEAS 4 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT. A  
CHANCE OF SHOWERS IN THE AFTERNOON.    
SUN NIGHT
 
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
6 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS  
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
MON
 
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT,  
BUILDING TO 7 TO 9 FT IN THE AFTERNOON. SHOWERS. A SLIGHT CHANCE  
OF TSTMS IN THE AFTERNOON.    
MON NIGHT
 
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT  
AFTER MIDNIGHT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER  
MIDNIGHT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO  
6 FT IN THE AFTERNOON. SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN  
THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
TUE NIGHT
 
S WINDS 10 KT, BECOMING W AFTER MIDNIGHT. SEAS 4 TO  
5 FT. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
WED
 
W WINDS 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
SW WINDS 10 KT. SEAS 3 TO 4 FT.    
THU
 
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
W WINDS 10 KT. SEAS 2 TO 3 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ354-221015-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
657 PM EDT SAT APR 21 2018  
   
TONIGHT
 
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT LATE.  
SEAS 4 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE  
AFTERNOON. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.    
SUN NIGHT
 
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO  
6 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. SHOWERS.   
MON
 
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT,  
BUILDING TO 6 TO 8 FT IN THE AFTERNOON. SHOWERS WITH A SLIGHT  
CHANCE OF TSTMS.    
MON NIGHT
 
SE WINDS 15 TO 20 KT, BECOMING S 10 TO 15 KT AFTER  
MIDNIGHT. SEAS 5 TO 7 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS  
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
TUE
 
S WINDS 10 KT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN  
THE AFTERNOON. SHOWERS LIKELY, MAINLY IN THE MORNING.    
TUE NIGHT
 
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS  
4 TO 5 FT. A SLIGHT CHANCE OF SHOWERS.    
WED
 
W WINDS 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
W WINDS 10 KT. SEAS 3 TO 4 FT.    
THU
 
W WINDS 10 KT. SEAS 2 TO 3 FT.    
THU NIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
AMZ374-221015-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO  
60 NM-  
657 PM EDT SAT APR 21 2018  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
 
 
   
TONIGHT
 
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.    
SUN
 
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT. A  
CHANCE OF SHOWERS IN THE AFTERNOON.    
SUN NIGHT
 
E WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER  
MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 7 TO 9 FT AFTER MIDNIGHT.  
SHOWERS.   
MON
 
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO 10 FT.  
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.   
MON NIGHT
 
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO  
10 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO  
7 FT IN THE AFTERNOON. SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN  
THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
TUE NIGHT
 
S WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. SEAS  
5 TO 7 FT. A SLIGHT CHANCE OF SHOWERS.    
WED
 
W WINDS 10 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU
 
W WINDS 10 KT. SEAS 4 FT.    
THU NIGHT
 
W WINDS 10 KT. SEAS 3 TO 4 FT.  
 
MARINERS ARE REMINDED THAT WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
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