878  
FLUS43 KGRR 171930  
HWOGRR  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
ISSUED BY NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
330 PM EDT WED SEP 17 2025  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-181930-  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-  
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
330 PM EDT WED SEP 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE
 
THIS AFTERNOON AND TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
THURSDAY THROUGH TUESDAY  
 
THERE IS A LOW CHANCE OF THUNDERSTORMS SUNDAY INTO TUESDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
LMZ844>849-181930-  
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-  
330 PM EDT WED SEP 17 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM  
ST JOSEPH TO MANISTEE.  
   
DAY ONE
 
THIS AFTERNOON AND TONIGHT  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
THURSDAY THROUGH TUESDAY  
 
THERE IS A LOW CHANCE OF THUNDERSTORMS SUNDAY INTO TUESDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
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