274 

FZUS72 KJAX 121127

MWSJAX



Marine Weather Statement

National Weather Service Jacksonville FL

727 AM EDT Tue May 12 2026



AMZ470-121230-

727 AM EDT Tue May 12 2026



...A STRONG THUNDERSTORM OVER THE OFFSHORE WATERS...



The areas affected include...

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

  NM...



At 727 AM EDT, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots. This thunderstorm was located

20 nm south of R2 Tower, moving north at 15 knots.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, lightning strikes, and heavy downpours. Boaters should seek

safe harbor immediately until this storm passes.



Waterspouts are possible with this activity. If a waterspout occurs,

move your boat away from it. Waterspouts can develop rapidly and

produce winds and seas that are dangerous for vessels and everyone

onboard.



&&



LAT...LON 3111 8028 3108 8029 3103 8029 3098 8031

      3094 8032 3079 8039 3069 8060 3094 8066

      3118 8062



$$



NELSON






399 

WHUS52 KJAX 121142

SMWJAX

AMZ470-121245-

/O.NEW.KJAX.MA.W.0046.260512T1142Z-260512T1245Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Jacksonville FL

742 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 845 AM EDT.



* At 741 AM EDT, a severe thunderstorm capable of producing

  waterspouts was located 18 nm south of R2 Tower, moving north at 15

  knots.



  HAZARD...Waterspouts and wind gusts 34 knots or greater.



  SOURCE...Radar.



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

           hazardous seas. Small craft could be damaged in briefly 

           higher winds and 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.



&&



LAT...LON 3114 8044 3099 8052 3105 8072 3119 8067

TIME...MOT...LOC 1141Z 195DEG 13KT 3108 8060 



WATERSPOUT...POSSIBLE

HAIL...0.00IN

WIND...>34KTS



$$



NELSON