409  
FZUS72 KKEY 211640  
MWSKEY  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE KEY WEST FL  
1240 PM EDT MON JUL 21 2025  
 
GMZ035-044-054-211715-  
1240 PM EDT MON JUL 21 2025  
   
..A STRONG THUNDERSTORM OVER NINEFOOT SHOAL
 
 
THE AREAS AFFECTED INCLUDE...  
HAWK CHANNEL AND STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE  
BRIDGE TO HALFMOON SHOAL OUT 20 NM...  
GULF OF AMERICA FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL  
OUT TO 5 FATHOMS...  
 
AT 1239 PM EDT, NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A A  
STRONG THUNDERSTORM, CAPABLE OF PRODUCING WIND GUSTS NEAR 30 KNOTS.  
THIS THUNDERSTORM WAS LOCATED NEAR NINEFOOT SHOAL, MOVING WEST AT 5  
KNOTS.  
 
LOCATIONS THAT WILL BE AFFECTED INCLUDE...  
WESTERN SAMBO, VANDENBERG, JOE'S TUG, PELICAN SHOAL, EAST SAMBO,  
NINEFOOT SHOAL, AND AMERICAN SHOAL LIGHT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
PREPARE FOR THUNDERSTORMS WITH WIND GUSTS NEAR 30 KNOTS, LOCALLY  
ROUGH AND CONFUSED SEAS, OCCASIONAL LIGHTNING STRIKES, AND  
POTENTIALLY BLINDING DOWNPOURS. GET TO A SAFE PORT AS QUICKLY, AND AS  
SAFELY AS POSSIBLE. WHEN DOWNPOURS REDUCE VISIBILITY, SLOW DOWN.  
 

 
 
LAT...LON 2440 8174 2455 8179 2455 8175 2456 8176  
2457 8173 2458 8174 2459 8180 2466 8182  
2468 8157 2467 8157 2467 8156 2464 8155  
2463 8157 2461 8157 2462 8156 2461 8154  
2450 8151  
 

 
 
LIW  
 
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