


Special Marine Warning
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
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362 WHUS52 KCHS 041240 SMWCHS AMZ350-352-354-041445- /O.NEW.KCHS.MA.W.0107.250704T1240Z-250704T1445Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Charleston SC 840 AM EDT Fri Jul 4 2025 The National Weather Service in Charleston has issued a * Special Marine Warning for... Waters from South Santee River SC to Altamaha Sound GA out 20 NM... * Until 1045 AM EDT. * At 840 AM EDT, a severe thunderstorm producing waterspouts was located 7 NM northwest of Hilton Head Reef, moving northeast at 5 knots. HAZARD...Waterspouts and wind gusts to 34 knots. SOURCE...Life Guard reported. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Hunting Island Reef, Fripp Island Reef, Fripp Island Wreck, Beaufort 45 Feet Reef, Betsy Ross Reef, Fripp Inlet Buoy, General Gordon, Saint Helena Sound, Pelican Bank, Port Royal Sound, Hilton Head Reef, Edisto Forty Reef, Fish America, Edisto Sixty Reef and Gaskins Bank Wreck. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3165 8117 3174 8115 3198 8090 3208 8094 3216 8076 3232 8066 3234 8047 3252 8056 3258 8051 3253 8045 3261 8039 3251 8033 3264 8001 3273 7990 3260 7943 3232 7983 3222 8010 3203 8025 3194 8047 3154 8083 TIME...MOT...LOC 1239Z 225DEG 5KT 3209 8069 WATERSPOUT...OBSERVED MAX HAIL SIZE...0.00 IN MAX WIND GUST...34 KTS $$ NED