979  
WHUS73 KGRB 291704  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1104 AM CST MON DEC 29 2025  
 
LMZ521-541-300115-  
/O.CAN.KGRB.SR.W.0001.000000T0000Z-251230T0600Z/  
/O.EXA.KGRB.GL.W.0022.000000T0000Z-251230T0600Z/  
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-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1104 AM CST MON DEC 29 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
   
..STORM WARNING IS CANCELLED  
 
* WHAT...NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND  
WAVES 5 TO 8 FT.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO STURGEON BAY, AND CENTRAL BAY OF GREEN BAY.  
 
* WHEN...UNTIL MIDNIGHT CST TONIGHT.  
 
* 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.  
 
 
 
 
 
LMZ522-542-543-300115-  
/O.CON.KGRB.GL.W.0022.000000T0000Z-251230T0600Z/  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1104 AM CST MON DEC 29 2025  
   
..GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
* WHAT...NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND  
WAVES 2 TO 5 FT.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM STURGEON BAY TO  
SHEBOYGAN, AND SOUTHERN BAY OF GREEN BAY.  
 
* WHEN...UNTIL MIDNIGHT CST TONIGHT.  
 
* 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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