172  
WHUS73 KGRB 221543  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1043 AM CDT FRI MAY 22 2026  
 
LMZ541>543-230500-  
/O.CON.KGRB.SC.Y.0054.260522T2100Z-260523T0500Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1043 AM CDT FRI MAY 22 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO MIDNIGHT CDT TONIGHT...  
 
* WHAT...EAST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND WAVES  
2 TO 4 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FROM 4 PM THIS AFTERNOON TO MIDNIGHT CDT TONIGHT.  
 
* 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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