299  
WHUS73 KDLH 201402  
MWWDLH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
902 AM CDT WED AUG 20 2025  
 
LSZ144-145-201800-  
/O.NEW.KDLH.MF.Y.0019.250820T1402Z-250820T1800Z/  
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-  
902 AM CDT WED AUG 20 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
 
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO ONE HALF NAUTICAL  
MILE OR LESS.  
 
* WHERE...TWO HARBORS TO DULUTH MN AND DULUTH MN TO PORT WING WI.  
 
* WHEN...UNTIL 1 PM CDT THIS AFTERNOON.  
 
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
* ADDITIONAL DETAILS...DENSE FOG MAY CONTINUE INTO TONIGHT.  
 
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.  
 

 
 

 
 
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