652  
WHUS52 KJAX 211937  
SMWJAX  
AMZ454-212030-  
/O.NEW.KJAX.MA.W.0149.250721T1937Z-250721T2030Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
337 PM EDT MON JUL 21 2025  
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM...  
 
* UNTIL 430 PM EDT.  
 
* AT 337 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER MARINELAND,  
OR 7 NM NORTH OF PALM COAST, MOVING SOUTHEAST AT 15 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...  
BEVERLY BEACH, BIG GEORGES REEF, MARINELAND, PALM COAST, AND  
CRESCENT BEACH.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES. 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 2946 8116 2953 8120 2955 8124 2963 8125  
2965 8128 2967 8128 2980 8112 2956 8079  
2949 8076 2948 8076  
TIME...MOT...LOC 1937Z 313DEG 14KT 2964 8126  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
23  
 
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