123  
WHUS52 KCHS 182120  
SMWCHS  
AMZ360-362-182215-  
/O.NEW.KCHS.MA.W.0027.260618T2120Z-260618T2215Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
520 PM EDT THU JUN 18 2026  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
WATERS FROM SOUTH SANTEE RIVER SC TO SAVANNAH GA OUT 20 NM...  
 
* UNTIL 615 PM EDT.  
 
* AT 520 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER FRIPP INLET  
BUOY, MOVING NORTHEAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS TO 34 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
EDISTO FORTY REEF, EDISTO SIXTY REEF, DEVEAUX BANK, N. EDISTO  
NEARSHORE REEF, SAINT HELENA SOUND, FRIPP ISLAND REEF, HUNTING  
ISLAND REEF, PELICAN BANK, KIAWAH REEF, FRIPP ISLAND WRECK AND  
FRIPP INLET BUOY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
 
 
LAT...LON 3233 8052 3234 8047 3238 8046 3240 8048  
3244 8050 3249 8050 3253 8043 3251 8040  
3253 8037 3252 8032 3261 8015 3263 8002  
3238 7986 3211 8033  
TIME...MOT...LOC 2120Z 236DEG 32KT 3237 8049  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...34 KTS  
 
 
 
CPM  
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