517  
WHUS73 KGRB 312021  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
321 PM CDT FRI JUL 31 2026  
 
LMZ542-543-010430-  
/O.NEW.KGRB.SC.Y.0069.260801T0900Z-260803T0000Z/  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
321 PM CDT FRI JUL 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 7 PM CDT  
SUNDAY...  
 
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND  
WAVES 2 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO  
SHEBOYGAN.  
 
* WHEN...FROM 4 AM SATURDAY TO 7 PM CDT 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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