581  
WHUS73 KGRB 050739  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
239 AM CDT SAT JUL 5 2025  
 
LMZ541>543-051545-  
/O.CON.KGRB.SC.Y.0061.250705T1800Z-250706T0900Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
239 AM CDT SAT JUL 5 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 4 AM CDT SUNDAY...  
 
* WHAT...SOUTHWEST WINDS 10 TO 20 KTS WITH GUSTS UP TO 25 KTS AND  
WAVES 3 TO 6 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FROM 1 PM SATURDAY TO 4 AM CDT SUNDAY.  
 
* 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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