628  
WHUS52 KJAX 212002  
SMWJAX  
AMZ452-212100-  
/O.NEW.KJAX.MA.W.0150.250721T2002Z-250721T2100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
402 PM EDT MON JUL 21 2025  
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20  
NM...  
 
* UNTIL 500 PM EDT.  
 
* AT 402 PM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR TALBOT  
ISLAND, OR 37 NM NORTH OF SAINT AUGUSTINE, MOVING SOUTHEAST AT 10  
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...  
ATLANTIC BEACH, PALM VALLEY, JACKSONVILLE BEACH, MAYPORT, TALBOT  
ISLAND, NASSAU SOUND APPROACH BUOY 6A, SAINT JOHNS LIGHTED BUOY,  
AMELIA CITY, AND GUANA RIVER STATE PARK.  
 
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 3064 8151 3040 8117 3001 8135 3005 8140  
3010 8141 3022 8147 3034 8148 3038 8151  
3044 8149 3051 8150 3055 8156  
TIME...MOT...LOC 2002Z 313DEG 10KT 3047 8156  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
23  
 
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