472  
WHUS73 KGRB 040837  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
237 AM CST SUN JAN 4 2026  
 
LMZ541>543-041645-  
/O.NEW.KGRB.SC.Y.0001.260105T0200Z-260105T1800Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
237 AM CST SUN JAN 4 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON  
CST MONDAY...  
 
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 2 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FROM 8 PM THIS EVENING TO NOON CST MONDAY.  
 
* 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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