879  
FZUS73 KGRR 280056  
MWSGRR  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
856 PM EDT MON JUL 27 2026  
 
LMZ874-280105-  
/O.CAN.KGRR.MA.W.0062.000000T0000Z-260728T0145Z/  
856 PM EDT MON JUL 27 2026  
   
..THE SPECIAL MARINE WARNING IS CANCELLED
 
 
THE AFFECTED AREAS WERE...  
OPEN WATERS FROM HOLLAND TO GRAND HAVEN MI...  
 
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND NO LONGER  
POSES A SIGNIFICANT THREAT TO BOATERS.  
 
LAT...LON 4254 8658 4277 8667 4277 8646 4267 8630  
4266 8631 4264 8631  
TIME...MOT...LOC 0055Z 314DEG 30KT 4271 8653  
 

 
 
LMZ876-280145-  
/O.CON.KGRR.MA.W.0062.000000T0000Z-260728T0145Z/  
856 PM EDT MON JUL 27 2026  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
 
 
FOR THE FOLLOWING AREAS...  
OPEN WATERS FROM SOUTH HAVEN TO HOLLAND MI...  
 
AT 855 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED 14 NM WEST OF  
SAUGATUCK PIER HEADS, MOVING SOUTHEAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND LARGE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN  
STRUCTURAL DAMAGE.  
 
THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS 34 KNOTS OR GREATER, LARGE HAIL, HIGH WAVES, DANGEROUS  
LIGHTNING, AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 

 
 
LAT...LON 4254 8658 4277 8667 4277 8646 4267 8630  
4266 8631 4264 8631  
TIME...MOT...LOC 0055Z 314DEG 30KT 4271 8653  
 
HAIL...>.75IN  
WIND...>34KTS  
 

 
 
THOMAS  
 
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