


Special Marine Warning
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
699 WHUS52 KCHS 211959 SMWCHS AMZ350-212100- /O.NEW.KCHS.MA.W.0120.250721T1959Z-250721T2100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Charleston SC 359 PM EDT Mon Jul 21 2025 The National Weather Service in Charleston has issued a * Special Marine Warning for... Waters from South Santee River to Edisto Beach SC out 20 NM... * Until 500 PM EDT. * At 359 PM EDT, a strong thunderstorm was located 8 NM south of Charleston Harbor Entrance, moving southeast at 10 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... Lowcountry Anglers, Charleston Sixty, Kiawah Reef and Joe Shuford Reef. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3262 8003 3274 7984 3251 7957 3249 7961 3246 7963 3244 7966 3230 7989 3229 7990 3232 7996 TIME...MOT...LOC 1959Z 311DEG 10KT 3262 7988 MAX HAIL SIZE...0.00 IN MAX WIND GUST...40 KTS $$ BAH