182  
FZUS73 KGRR 272013  
MWSGRR  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
413 PM EDT MON JUL 27 2026  
 
LMZ845-846-874-876-272020-  
/O.CAN.KGRR.MA.W.0061.000000T0000Z-260727T2100Z/  
413 PM EDT MON JUL 27 2026  
   
..THE SPECIAL MARINE WARNING IS CANCELLED
 
 
THE AFFECTED AREAS WERE...  
NEARSHORE AND OPEN WATERS FROM SOUTH HAVEN TO GRAND HAVEN MI...  
 
THE THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA AND NO LONGER  
POSE A SIGNIFICANT THREAT TO BOATERS BETWEEN SOUTH HAVEN AND GRAND  
HAVEN MI.  
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR  
SOUTHWESTERN MICHIGAN...AND THE ADJACENT WATERS OF LAKE MICHIGAN.  
 
LAT...LON 4213 8656 4212 8696 4246 8701 4244 8667  
4228 8634 4211 8649  
TIME...MOT...LOC 2010Z 356DEG 26KT 4222 8647 4232 8697  
 

 
 
LMZ844-878-272100-  
/O.CON.KGRR.MA.W.0061.000000T0000Z-260727T2100Z/  
413 PM EDT MON JUL 27 2026  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
 
 
FOR THE FOLLOWING AREAS...  
NEARSHORE AND OPEN WATERS FROM ST JOSEPH TO SOUTH HAVEN MI...  
 
AT 410 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR ST. JOSEPH LIGHT TO 25 NM NORTHWEST OF ST.  
JOSEPH, MOVING SOUTH AT 25 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
LOCATIONS IMPACTED INCLUDE...  
ST. JOSEPH LIGHT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMAIN IN SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4213 8656 4212 8696 4246 8701 4244 8667  
4228 8634 4211 8649  
TIME...MOT...LOC 2010Z 356DEG 26KT 4222 8647 4232 8697  
 
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
CAS  
 
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