944  
WHUS73 KGRR 200750  
MWWGRR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
250 AM EST FRI DEC 20 2024  
 
LMZ848-849-201800-  
/O.NEW.KGRR.SC.Y.0105.241220T1500Z-241221T1500Z/  
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-  
250 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO  
10 AM EST SATURDAY...  
 
* WHAT...NORTH WINDS 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS  
AND WAVES 2 TO 5 FEET EXPECTED.  
 
* WHERE...WHITEHALL TO MANISTEE.  
 
* WHEN...FROM 10 AM THIS MORNING TO 10 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ844-845-201800-  
/O.NEW.KGRR.SC.Y.0105.241220T1500Z-241221T1500Z/  
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-  
250 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO  
10 AM EST SATURDAY...  
 
* WHAT...NORTH WINDS 10 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS  
AND WAVES 2 TO 5 FEET EXPECTED.  
 
* WHERE...ST JOSEPH TO HOLLAND.  
 
* WHEN...FROM 10 AM THIS MORNING TO 10 AM EST SATURDAY.  
 
* 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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