221 

FZUS72 KJAX 120829

MWSJAX



Marine Weather Statement

National Weather Service Jacksonville FL

429 AM EDT Tue May 12 2026



AMZ472-120839-

/O.EXP.KJAX.MA.W.0040.000000T0000Z-260512T0830Z/

429 AM EDT Tue May 12 2026



...THE SPECIAL MARINE WARNING WILL EXPIRE AT 430 AM EDT...



The affected areas were... 

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



The thunderstorm has moved out of the area and no longer poses a

significant threat to boaters.



&&



LAT...LON 3025 8055 3059 8064 3057 8041 3049 8040

      3039 8037 3023 8034

TIME...MOT...LOC 0829Z 320DEG 13KT 3033 8034 



$$



KB






973 

WHUS52 KJAX 120831

SMWJAX

AMZ470-120915-

/O.NEW.KJAX.MA.W.0042.260512T0831Z-260512T0915Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Jacksonville FL

431 AM EDT Tue May 12 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...



* Until 515 AM EDT.



* At 431 AM EDT, a severe thunderstorm was located 36 nm south of R2

  Tower, moving northeast at 10 knots.



  HAZARD...Wind gusts 34 knots or greater and large hail.



  SOURCE...Radar.



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

           suddenly higher waves. Large hail could result in 

           structural damage.



* The severe thunderstorm will remain over mainly open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

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

metal objects.



&&



LAT...LON 3086 8035 3071 8043 3068 8043 3066 8048

      3082 8060 3103 8029

TIME...MOT...LOC 0831Z 238DEG 11KT 3079 8048 



HAIL...>.75IN

WIND...>34KTS



$$



KB