291  
WHUS73 KMKX 121323  
MWWMKX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
823 AM CDT FRI SEP 12 2025  
 
LMZ646-671-121700-  
/O.EXB.KMKX.MF.Y.0010.000000T0000Z-250912T1700Z/  
WIND POINT WI TO WINTHROP HARBOR IL-  
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM  
OFFSHORE TO MID LAKE-  
823 AM CDT FRI SEP 12 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TODAY  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1/2 NM.  
 
* WHERE...NEARSHORE WATERS FROM WIND POINT TO WINTHROP HARBOR  
IL, AND LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT  
LIGHT WI 5NM OFFSHORE TO MID LAKE.  
 
* WHEN...UNTIL NOON CDT TODAY.  
 
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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.  
 
 
 
 
 
LMZ643>645-669-121700-  
/O.EXT.KMKX.MF.Y.0010.000000T0000Z-250912T1700Z/  
SHEBOYGAN TO PORT WASHINGTON WI-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
NORTH POINT LIGHT TO WIND POINT WI-  
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM OFFSHORE  
TO MID LAKE-  
823 AM CDT FRI SEP 12 2025  
   
..DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CDT TODAY  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1/2 NM.  
 
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO NORTH POINT  
LIGHTHOUSE, NEARSHORE WATERS FROM NORTH POINT LIGHTHOUSE TO  
WIND POINT, AND LAKE MICHIGAN FROM SHEBOYGAN TO PORT  
WASHINGTON WI 5NM OFFSHORE TO MID LAKE.  
 
* WHEN...UNTIL NOON CDT TODAY.  
 
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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.  
 
 
 
 
 
MRC  
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