369  
WHUS73 KMKX 280257  
MWWMKX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
857 PM CST THU NOV 27 2025  
 
LMZ261-362-364-563-280600-  
/O.CON.KMKX.GL.W.0031.000000T0000Z-251128T0600Z/  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE  
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH  
FOX ISLAND 5NM OFFSHORE-  
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI 5NM  
OFFSHORE TO MID LAKE-  
857 PM CST THU NOV 27 2025  
   
..GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT
 
 
* WHAT...NORTHWEST WINDS AROUND 25 KT WITH GUSTS UP TO 35 KT AND  
WAVES 5 TO 9 FT.  
 
* WHERE...NORTHERN THIRD OF THE OPEN WATERS OF LAKE MICHIGAN.  
 
* 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 SEVERE CONDITIONS.  
 

 
 

 
 
LMZ643>646-281100-  
/O.CON.KMKX.SC.Y.0103.000000T0000Z-251128T1600Z/  
SHEBOYGAN TO PORT WASHINGTON WI-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
NORTH POINT LIGHT TO WIND POINT WI-  
WIND POINT WI TO WINTHROP HARBOR IL-  
857 PM CST THU NOV 27 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST  
FRIDAY...  
 
* WHAT...NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.  
 
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO WINTHROP HARBOR IL.  
 
* WHEN...UNTIL 10 AM CST FRIDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
SHEPPARD  
 
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