217  
FLUS43 KGRR 170817  
HWOGRR  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
417 AM EDT THU JUL 17 2025  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-180830-  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-  
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
417 AM EDT THU JUL 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY  
 
THUNDERSTORMS WILL BE POSSIBLE ON SATURDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
LMZ844>849-180830-  
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-  
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-  
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-  
417 AM EDT THU JUL 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM  
ST JOSEPH TO MANISTEE.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
WINDS AND WAVES WILL BE HAZARDOUS TO SMALL CRAFT BOATS, AND TO  
SWIMMERS.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY  
 
THUNDERSTORMS WILL BE POSSIBLE ON SATURDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
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