666  
WHUS53 KMQT 240032  
SMWMQT  
LMZ248-250-261-240115-  
/O.NEW.KMQT.MA.W.0084.250724T0032Z-250724T0115Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MARQUETTE MI  
832 PM EDT WED JUL 23 2025  
 
THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE...  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM  
OFFSHORE TO MID LAKE...  
SEUL CHOIX POINT TO POINT DETOUR MI...  
 
* UNTIL 915 PM EDT.  
 
* AT 832 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 20 NM NORTHEAST OF POINT DETOUR TO 7 NM EAST OF ROCK  
ISLAND, MOVING EAST AT 35 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...  
SUMMER ISLAND AND POINT DETOUR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
LAT...LON 4535 8655 4538 8676 4540 8678 4580 8647  
4583 8640 4598 8630 4601 8607 4596 8591  
4593 8593 4592 8591 4583 8590 4533 8629  
TIME...MOT...LOC 0032Z 255DEG 37KT 4586 8627 4541 8666  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
JP  
 
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