128  
WHUS73 KGRR 041930  
MWWGRR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
330 PM EDT FRI JUL 4 2025  
 
LMZ847>849-050330-  
/O.NEW.KGRR.SC.Y.0062.250705T1600Z-250707T0000Z/  
GRAND HAVEN TO WHITEHALL MI-WHITEHALL TO PENTWATER MI-  
PENTWATER TO MANISTEE MI-  
330 PM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM EDT  
SUNDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KNOTS AND WAVES 3 TO 5 FEET  
EXPECTED. WINDS WILL THEN BECOME FROM THE NORTHWEST ON SUNDAY  
AFTERNOON.  
 
* WHERE...GRAND HAVEN TO MANISTEE.  
 
* WHEN...FROM NOON SATURDAY TO 8 PM EDT SUNDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ846-050330-  
/O.NEW.KGRR.SC.Y.0062.250706T0000Z-250707T0000Z/  
HOLLAND TO GRAND HAVEN MI-  
330 PM EDT FRI JUL 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM SATURDAY TO 8 PM EDT  
SUNDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KNOTS AND WAVES 2 TO 5 FEET  
EXPECTED. WINDS WILL THEN BECOME FROM THE NORTHWEST ON SUNDAY  
AFTERNOON.  
 
* WHERE...HOLLAND TO GRAND HAVEN MI.  
 
* WHEN...FROM 8 PM SATURDAY TO 8 PM EDT SUNDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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