953 

WHUS52 KCHS 170729

SMWCHS

AMZ380-170800-

/O.NEW.KCHS.MA.W.0025.260617T0729Z-260617T0800Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Charleston SC

329 AM EDT Wed Jun 17 2026



The National Weather Service in Charleston has issued a



* Special Marine Warning for...

  Waters from South Santee River SC to Edisto Beach SC extending from

  20 to 60 NM...



* Until 400 AM EDT.



* At 329 AM EDT, a severe thunderstorm capable of producing

  waterspouts was located 25 NM east of Edisto Buoy, moving east at

  30 knots.



  HAZARD...Waterspouts and small hail.



  SOURCE...Radar indicated.



  IMPACT...Waterspouts can easily overturn boats and create locally

           hazardous seas.



* Locations impacted include...

  Mainly open waters from South Santee River SC to Edisto Beach SC

  extending from 20 to 60 NM.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor immediately as gusty winds and high waves are

expected.



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 3240 7870 3259 7874 3270 7841 3265 7831

      3257 7832 3242 7857

TIME...MOT...LOC 0729Z 252DEG 29KT 3251 7861



WATERSPOUT...POSSIBLE

MAX HAIL SIZE...<.75 IN

MAX WIND GUST...<34 KTS



$$



ACD