940  
WHUS73 KGRB 101916  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
216 PM CDT WED JUN 10 2026  
 
LMZ521-522-110300-  
/O.EXB.KGRB.SC.Y.0058.260610T1916Z-260611T0300Z/  
GREEN BAY SOUTH OF LINE FROM CEDAR RIVER TO ROCK ISLAND PASSAGE  
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
216 PM CDT WED JUN 10 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
 
 
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS AROUND 25 KT.  
 
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.  
 
* WHEN...UNTIL 10 PM CDT THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...STRONG OR SEVERE THUNDERSTORMS ARE EXPECTED  
TO MOVE ACROSS THE AREA LATE THIS AFTERNOON OR EARLY THIS  
EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ541>543-110330-  
/O.CON.KGRB.MF.Y.0013.000000T0000Z-260611T0000Z/  
/O.CON.KGRB.SC.Y.0058.260610T2100Z-260611T1200Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
216 PM CDT WED JUN 10 2026  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS  
EVENING...  
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT  
THURSDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO 1/4 TO 1/2 NM. FOR THE SMALL CRAFT ADVISORY,  
SOUTH WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT AND WAVES 1 TO  
3 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 PM CDT THIS  
EVENING. FOR THE SMALL CRAFT ADVISORY, UNTIL 7 AM CDT THURSDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW  
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
* ADDITIONAL DETAILS...STRONG OR SEVERE THUNDERSTORMS ARE EXPECTED  
TO MOVE ACROSS THE AREA LATE THIS AFTERNOON OR EARLY THIS  
EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG  
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE  
YOUR RADAR AND COMPASS.  
 

 
 

 
 
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