795  
WHUS73 KGRB 031829  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
129 PM CDT MON AUG 3 2026  
 
LMZ541>543-040400-  
/O.NEW.KGRB.SC.Y.0071.260804T1900Z-260805T0300Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
129 PM CDT MON AUG 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM TO 10 PM CDT  
TUESDAY...  
 
* WHAT...SOUTH WINDS 15 TO 20 KTS WITH GUSTS UP TO 25 KTS AND  
WAVES 3 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FROM 2 PM TO 10 PM CDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
MPC  
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