492 

WHUS52 KMFL 211302

SMWMFL

GMZ676-211330-

/O.NEW.KMFL.MA.W.0218.260821T1302Z-260821T1330Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Miami FL

902 AM EDT Fri Aug 21 2026



The National Weather Service in Miami has issued a



* Special Marine Warning for...

  Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM...



* Until 930 AM EDT.



* At 902 AM EDT, a severe thunderstorm capable of producing

  waterspouts was located 21 nm west of R Tower, moving west at 10

  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.



Report severe weather to the Coast Guard or the National Weather

Service. You can also share your report with NWS Miami on Facebook

and Twitter.



&&



LAT...LON 2592 8251 2580 8257 2584 8276 2606 8264

TIME...MOT...LOC 1302Z 110DEG 8KT 2590 8259 



WATERSPOUT...POSSIBLE

HAIL...0.00IN

WIND...>34KTS



$$



Hadi






429 

FZUS72 KMFL 211324

MWSMFL



Marine Weather Statement

National Weather Service Miami FL

924 AM EDT Fri Aug 21 2026



GMZ676-211334-

/O.EXP.KMFL.MA.W.0218.000000T0000Z-260821T1330Z/

924 AM EDT Fri Aug 21 2026



...THE SPECIAL MARINE WARNING WILL EXPIRE AT 930 AM EDT...



The affected areas were... 

Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM...



The thunderstorm has weakened and no longer poses a significant

threat to boaters.



LAT...LON 2592 8251 2580 8257 2584 8276 2606 8264

TIME...MOT...LOC 1324Z 110DEG 8KT 2592 8264 



$$



Hadi