935  
FLUS43 KGRR 050805  
HWOGRR  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
405 AM EDT SAT JUL 5 2025  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-060815-  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-  
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
405 AM EDT SAT JUL 5 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
HIGH TEMPERATURES IN THE LOWER 90S TODAY AND HEAT INDEX VALUES  
AROUND 95 DEGREES WILL POSE A HEAT EXHAUSTION RISK FOR THOSE  
ACTIVE OUTDOORS WITHOUT COOLING OR HYDRATION.  
 
SCATTERED THUNDERSTORMS MAY AFFECT PARTS OF WEST MICHIGAN LATE  
THIS EVENING AND OVERNIGHT.  
 
THE SWIM RISK AT LAKE MICHIGAN BEACHES NEAR AND NORTH OF GRAND  
HAVEN TOWARD MANISTEE WILL BECOME MODERATE TO HIGH THIS AFTERNOON  
DUE TO INCREASING WAVES AND CURRENTS.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY  
 
SCATTERED THUNDERSTORMS WITH HEAVY DOWNPOURS AND GUSTS TO 40 MPH  
ARE POSSIBLE ON SUNDAY.  
 
A MODERATE TO HIGH SWIM RISK AT MANY LAKE MICHIGAN BEACHES IS  
EXPECTED ON SUNDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
LMZ844>849-060815-  
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-  
405 AM EDT SAT JUL 5 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM  
ST JOSEPH TO MANISTEE.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
WINDS AND WAVES ON LAKE MICHIGAN WILL BUILD THIS AFTERNOON,  
BECOMING HAZARDOUS FOR SMALL CRAFT AND SWIMMERS NEAR AND NORTH OF  
GRAND HAVEN TOWARD MANISTEE.  
 
SCATTERED THUNDERSTORMS WILL CROSS LAKE MICHIGAN LATE THIS EVENING  
AND OVERNIGHT.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY  
 
WINDS AND WAVES ON LAKE MICHIGAN WILL BE HAZARDOUS FOR BOTH SMALL  
CRAFT AND SWIMMERS ON SUNDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
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