959  
WHUS73 KGRB 131938  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
238 PM CDT FRI MAR 13 2026  
 
LMZ541>543-140345-  
/O.CON.KGRB.GL.W.0005.000000T0000Z-260314T0000Z/  
/O.CON.KGRB.SC.Y.0025.260314T0000Z-260314T0500Z/  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
238 PM CDT FRI MAR 13 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING  
TO MIDNIGHT CDT TONIGHT...  
 
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 25 TO 30 KT WITH  
GUSTS UP TO 40 KT AND WAVES 4 TO 7 FT. FOR THE SMALL CRAFT  
ADVISORY, NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT  
AND WAVES 3 TO 6 FT EXPECTED.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN.  
 
* WHEN...FOR THE GALE WARNING, UNTIL 7 PM CDT THIS EVENING. FOR  
THE SMALL CRAFT ADVISORY, FROM 7 PM THIS EVENING TO MIDNIGHT  
CDT 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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