507  
WHUS73 KDLH 100804  
MWWDLH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
304 AM CDT FRI JUL 10 2026  
 
LSZ121-140>148-150-101500-  
/O.CON.KDLH.MF.Y.0023.000000T0000Z-260710T1500Z/  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
GRAND PORTAGE TO GRAND MARAIS MN-  
GRAND MARAIS TO TACONITE HARBOR MN-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-  
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-  
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
304 AM CDT FRI JUL 10 2026  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS  
MORNING...  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1 NM.  
 
* WHERE...PORTIONS OF LAKE SUPERIOR.  
 
* WHEN...UNTIL 10 AM CDT THIS MORNING.  
 
* 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.  
 
 
 
 
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