436  
WHUS52 KCHS 190121  
SMWCHS  
AMZ360-362-380-382-190315-  
/O.NEW.KCHS.MA.W.0032.260619T0121Z-260619T0315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
921 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 60 NM...  
 
* UNTIL 1115 PM EDT.  
 
* AT 921 PM EDT, A STRONG THUNDERSTORM WAS LOCATED 9 NM SOUTH OF  
EDISTO OFFSHORE REEF, 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 OFFSHORE REEF, DOUG MELLICHAMP REEF, CHARLESTON SIXTY, JOE  
SHUFORD REEF, COMANCHE REEF, CAPERS MID SHELF, Y-73 REEF, EDISTO  
BUOY AND EDISTO SIXTY REEF.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
 
 
LAT...LON 3204 8025 3215 8044 3286 7939 3235 7870  
3203 7926 3171 7970  
TIME...MOT...LOC 0120Z 232DEG 28KT 3210 7990  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...34 KTS  
 
 
 
CPM  
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