606  
FZUS73 KGRR 271512  
MWSGRR  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1112 AM EDT MON JUL 27 2026  
 
LMZ847-870-872-271545-  
/O.CON.KGRR.MA.W.0056.000000T0000Z-260727T1545Z/  
1112 AM EDT MON JUL 27 2026  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
 
 
FOR THE FOLLOWING AREAS...  
NEARSHORE WATERS FROM GRAND HAVEN TO WHITEHALL MI...  
OPEN WATERS FROM GRAND HAVEN TO PENTWATER MI...  
 
AT 1112 AM EDT, A STRONG THUNDERSTORM WAS LOCATED 19 NM SOUTHWEST OF  
WHITE LAKE PIER HEADS, MOVING SOUTHEAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
LAT...LON 4358 8704 4342 8653 4341 8653 4340 8646  
4307 8627 4306 8708 4343 8715  
TIME...MOT...LOC 1512Z 321DEG 38KT 4323 8682  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
04  
 
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