WHUS52 KCHS 132345 SMWCHS AMZ340-360-140145- /O.NEW.KCHS.MA.W.0100.260813T2345Z-260814T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Charleston SC 745 PM EDT Thu Aug 13 2026 The National Weather Service in Charleston has issued a * Special Marine Warning for... Charleston Harbor... Coastal waters from South Santee River to Edisto Beach SC out 20 NM... * Until 945 PM EDT. * At 745 PM EDT, a strong thunderstorm was located over Wappoo Cut, moving east at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Charleston Nearshore Reef, Rattlesnake Shoal, Air Force Reef, Charleston Coastal Anglers, Joe Shuford Reef, Charleston Sixty, Capers Reef, Charleston Harbor Entrance, Crab Bank, Castle Pinkney, Lowcountry Anglers and Wappoo Cut. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office. && LAT...LON 3256 8013 3262 8011 3263 8002 3267 8000 3270 7991 3278 7999 3280 7998 3281 7995 3285 7992 3285 7990 3281 7988 3279 7984 3283 7974 3285 7973 3283 7926 3250 7959 3249 7961 TIME...MOT...LOC 2345Z 279DEG 18KT 3274 7998 MAX HAIL SIZE...0.00 IN MAX WIND GUST...40 KTS $$ BSH