547  
WHUS73 KGRB 161059  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
559 AM CDT SAT MAY 16 2026  
 
LMZ541>543-161500-  
/O.CON.KGRB.SC.Y.0051.000000T0000Z-260516T1500Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
559 AM CDT SAT MAY 16 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS  
MORNING...  
 
* WHAT...SOUTHWEST WINDS 5 TO 15 KTS AND WAVES 3 TO 5 FT.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...UNTIL 10 AM CDT THIS MORNING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...PATCHY DENSE FOG WILL CAUSE NAVIGATION  
ISSUES THIS MORNING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
TSK  
 
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