543  
WHUS53 KGRB 232329  
SMWGRB  
LMZ541-542-563-565-240100-  
/O.NEW.KGRB.MA.W.0030.250723T2329Z-250724T0100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GREEN BAY WI  
629 PM CDT WED JUL 23 2025  
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
NEARSHORE WATERS FROM WASHINGTON ISLAND TO TWO RIVERS...  
OPEN WATERS OF LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO TWO  
RIVERS...  
 
* UNTIL 800 PM CDT.  
 
* AT 629 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 11 NM NORTH OF MARINETTE TO NEAR PESHTIGO REEF LIGHT  
TO NEAR DENMARK, MOVING EAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* STRONG THUNDERSTORMS WILL BE NEAR...  
ALGOMA AROUND 645 PM CDT.  
WHITEFISH POINT, KEWAUNEE PIERHEAD LIGHT, AND CANA ISLAND LIGHT  
AROUND 650 PM CDT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THESE STORMS PASS.  
WIND GUSTS TO NEARLY 50 KNOTS, HIGH WAVES, DANGEROUS LIGHTNING, AND  
HEAVY RAIN ARE POSSIBLE WITH THESE STORMS.  
 

 
 
LAT...LON 4488 8669 4425 8695 4419 8751 4436 8753  
4446 8750 4447 8754 4447 8749 4449 8752  
4449 8749 4460 8744 4488 8720 4540 8684  
4533 8629  
TIME...MOT...LOC 2329Z 255DEG 41KT 4527 8769 4499 8747 4435 8793  
 
HAIL...0.00IN  
WIND...49KTS  
 

 
 
KURIMSKI  
 
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