253  
WHUS73 KGRB 121445  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
945 AM CDT SUN OCT 12 2025  
 
LMZ543-122245-  
/O.CON.KGRB.SC.Y.0077.251012T1800Z-251013T1800Z/  
TWO RIVERS TO SHEBOYGAN WI-  
945 AM CDT SUN OCT 12 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 1 PM CDT MONDAY...  
 
* WHAT...SOUTH TO SOUTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO  
25 KT AND WAVES 3 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM TWO RIVERS TO  
SHEBOYGAN.  
 
* WHEN...FROM 1 PM THIS AFTERNOON TO 1 PM CDT 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.  
 

 
 

 
 
LMZ541-542-122245-  
/O.CON.KGRB.SC.Y.0077.251013T0400Z-251013T1800Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-  
945 AM CDT SUN OCT 12 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING  
TO 1 PM CDT MONDAY...  
 
* WHAT...SOUTH TO SOUTHEAST WINDS 10 TO 20 KT WITH A FEW GUSTS  
UP TO 25 KT AND WAVES 3 TO 5 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO TWO RIVERS.  
 
* WHEN...FROM 11 PM THIS EVENING TO 1 PM CDT 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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