180  
WHUS73 KGRB 102355  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
655 PM CDT THU SEP 10 2026  
 
LMZ542-543-110800-  
/O.NEW.KGRB.SC.Y.0078.260911T2000Z-260912T1500Z/  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
655 PM CDT THU SEP 10 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM FRIDAY TO 10 AM CDT  
SATURDAY...  
 
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES  
3 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO  
SHEBOYGAN.  
 
* WHEN...FROM 3 PM FRIDAY TO 10 AM CDT 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.  
 

 
 

 
 
LMZ541-110800-  
/O.NEW.KGRB.SC.Y.0078.260911T2000Z-260912T1800Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
655 PM CDT THU SEP 10 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM FRIDAY TO 1 PM CDT  
SATURDAY...  
 
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES  
3 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO STURGEON BAY.  
 
* WHEN...FROM 3 PM FRIDAY TO 1 PM CDT 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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