345  
WHUS52 KMLB 202054  
SMWMLB  
AMZ555-575-202230-  
/O.NEW.KMLB.MA.W.0131.260620T2054Z-260620T2230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MELBOURNE FL  
454 PM EDT SAT JUN 20 2026  
 
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
SEBASTIAN INLET TO JUPITER INLET 0-20 NM...  
SEBASTIAN INLET TO JUPITER INLET 20-60 NM...  
 
* UNTIL 630 PM EDT.  
 
* AT 454 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 12 NM NORTHEAST OF SAINT LUCIE NUCLEAR POWER PLANT  
TO NEAR PORT SALERNO, MOVING EAST AT 15 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR.  
 
IMPACT...EXPECT WIND GUSTS IN EXCESS OF 34 KNOTS, SUDDENLY HIGHER  
WAVES, LIGHTNING AND HEAVY DOWNPOURS. MAKE SURE ALL ON  
BOARD ARE WEARING LIFE JACKETS. RETURN TO SAFE HARBOR IF  
POSSIBLE.  
 
* LOCATIONS IMPACTED INCLUDE...  
PORT SALERNO, SEWALL'S POINT, WITHAM FIELD, HOBE SOUND WILDLIFE  
REFUGE, AND STUART.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
FREQUENT CLOUD TO WATER LIGHTNING IS OCCURRING WITH THESE STORMS. IF  
CAUGHT ON THE OPEN WATER STAY BELOW DECK AND, IF POSSIBLE, AVOID  
UNGROUNDED METAL OBJECTS. REMEMBER, LIGHTNING CAN STRIKE BEYOND 10  
MILES AWAY FROM A THUNDERSTORM.  
 
 
 
LAT...LON 2697 8011 2711 8018 2715 8022 2713 8027  
2723 8035 2728 8035 2729 8032 2724 8026  
2746 8037 2759 8040 2765 7996 2761 7956  
2697 7973  
TIME...MOT...LOC 2054Z 277DEG 16KT 2744 8003 2714 8023  
 
HAIL...0.00IN  
WIND...>34KTS  
 
 
 
SCHAPER  
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