WHUS52 KJAX 212123

SMWJAX

AMZ470-472-212230-

/O.NEW.KJAX.MA.W.0099.260621T2123Z-260621T2230Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Jacksonville FL

523 PM EDT Sun Jun 21 2026



The National Weather Service in Jacksonville has issued a



* Special Marine Warning for...

  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60

  NM...

  Waters from Fernandina Beach to St. Augustine FL from 20 to 60

  NM...



* Until 630 PM EDT.



* At 523 PM EDT, a strong thunderstorm was located 24 nm east of

  Atlantic Beach, or 35 nm northeast of Saint Augustine, moving east

  at 20 knots.



  HAZARD...Wind gusts 34 knots or greater.



  SOURCE...Radar.



  IMPACT...Small craft could be damaged in briefly higher winds and

           suddenly higher waves.



* Locations impacted include...

  Tournament Reef, Casablanca Reef, Buoy Hlha, Anna Reef, and Navy

  Drydock.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

expected. 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.



&&



LAT...LON 3111 8028 3094 8032 3071 8043 3063 8043

      3009 8030 2990 8022 2991 8093 3061 8110

      3098 8105 3108 8098 3123 8094

TIME...MOT...LOC 2123Z 259DEG 19KT 3038 8094



HAIL...0.00IN

WIND...>34KTS



$$



DUBOIS