####018002001####
WHUS52 KJAX 182053

SMWJAX

AMZ474-182200-

/O.NEW.KJAX.MA.W.0075.240518T2053Z-240518T2200Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Jacksonville FL

453 PM EDT Sat May 18 2024



The National Weather Service in Jacksonville has issued a



* Special Marine Warning for...

  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM...



* Until 600 PM EDT.



* At 453 PM EDT, a severe thunderstorm capable of producing

  waterspouts was located 48 nm northeast of Ormond-By-the-Sea,

  moving east at 30 knots.



  HAZARD...Waterspouts, wind gusts in excess of 50 knots, and large 

           hail.



  SOURCE...Radar.



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

           hazardous seas. Boats could suffer significant structural 

           damage in high winds and hail. Small craft could capsize 

           in suddenly higher waves.



* The severe thunderstorm will remain over mainly open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Thunderstorms can produce sudden waterspouts. Waterspouts can easily

overturn boats and create locally hazardous seas. Seek safe harbor

immediately. If your vessel is caught offshore, immediately secure

for heavy weather. Ensure all crew members are wearing USCG approved

Type I life jackets and nonessential crew are below decks. Deploy

jack lines and harnesses if available. Check life saving equipment,

including batteries on handheld radios, for readiness.



Frequent lightning is occurring with this storm. If caught on the

open water stay below deck if possible, keep away from ungrounded

metal objects.



Report severe weather to the Coast Guard or the National Weather

Service.



&&



LAT...LON 2968 8084 2987 8020 2964 8009 2948 8070

      2948 8075

TIME...MOT...LOC 2053Z 253DEG 31KT 2974 8026 



WATERSPOUT...POSSIBLE

HAIL...>.75IN

WIND...50KTS



$$



NELSON