943  
WHUS73 KGRB 210831  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
231 AM CST THU NOV 21 2024  
 
LMZ541>543-211815-  
/O.EXT.KGRB.GL.W.0013.241121T0900Z-241121T2100Z/  
/O.NEW.KGRB.SC.Y.0084.241121T2100Z-241123T0000Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
231 AM CST THU NOV 21 2024  
   
..GALE WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO  
6 PM CST FRIDAY...  
 
* WHAT...FOR THE GALE WARNING, NORTH WINDS 15 TO 25 KT WITH  
GUSTS UP TO 40 KT AND WAVES 4 TO 7 FT EXPECTED. FOR THE SMALL  
CRAFT ADVISORY, NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT  
AND WAVES 3 TO 6 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FOR THE GALE WARNING, UNTIL 3 PM CST THIS AFTERNOON.  
FOR THE SMALL CRAFT ADVISORY, FROM 3 PM THIS AFTERNOON TO 6 PM  
CST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ521-522-211815-  
/O.EXT.KGRB.GL.W.0013.241121T0900Z-241121T2100Z/  
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-  
231 AM CST THU NOV 21 2024  
   
..GALE WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON
 
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND  
WAVES 4 TO 7 FT EXPECTED.  
 
* WHERE...CENTRAL AND SOUTHERN BAY OF GREEN BAY.  
 
* WHEN...UNTIL 3 PM CST THIS AFTERNOON.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 

 
 

 
 
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