719  
WHUS73 KDLH 200927  
MWWDLH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
327 AM CST MON JAN 20 2025  
 
LSZ140>142-202130-  
/O.EXT.KDLH.SC.Y.0010.000000T0000Z-250122T2200Z/  
/O.NEW.KDLH.UP.W.0002.250121T2200Z-250122T1000Z/  
GRAND PORTAGE TO GRAND MARAIS MN-  
GRAND MARAIS TO TACONITE HARBOR MN-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
327 AM CST MON JAN 20 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CST WEDNESDAY
 
 
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 4 PM TUESDAY TO  
4 AM CST WEDNESDAY...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT  
WITH GUSTS UP TO 35 KT AND WAVES 5 TO 8 FT. FOR THE HEAVY  
FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE OF 2 CM  
PER HOUR OR GREATER EXPECTED, AND MAY RAPIDLY ACCUMULATE ON  
VESSELS.  
 
* WHERE...GRAND PORTAGE TO GRAND MARAIS MN, GRAND MARAIS TO  
TACONITE HARBOR MN AND TACONITE HARBOR TO SILVER BAY HARBOR MN.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 4 PM CST WEDNESDAY.  
FOR THE HEAVY FREEZING SPRAY WARNING, FROM 4 PM TUESDAY TO 4  
AM CST WEDNESDAY.  
 
* IMPACTS...OPERATING A VESSEL IN HEAVY FREEZING SPRAY IS  
HAZARDOUS. FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC  
COMPONENTS INOPERATIVE. RAPID ICE ACCRETION ON DECKS AND  
SUPERSTRUCTURES MAY RESULT IN A CATASTROPHIC LOSS OF STABILITY.  
CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD PREPARE FOR DANGEROUS ACCUMULATION OF ICE ON  
THEIR VESSEL. IF POSSIBLE, REMAIN IN PORT, AVOID THE WARNING AREA  
OR CONDUCT MITIGATION.  
 
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN  
HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ143>145-202130-  
/O.EXT.KDLH.SC.Y.0010.000000T0000Z-250122T2200Z/  
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-  
DULUTH MN TO PORT WING WI-  
327 AM CST MON JAN 20 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CST WEDNESDAY
 
 
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES  
2 TO 5 FT.  
 
* WHERE...SILVER BAY HARBOR TO TWO HARBORS MN, TWO HARBORS TO  
DULUTH MN AND DULUTH MN TO PORT WING WI.  
 
* WHEN...UNTIL 4 PM CST WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN  
HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ146>148-150-202130-  
/O.EXT.KDLH.SC.Y.0010.000000T0000Z-250122T2200Z/  
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-  
327 AM CST MON JAN 20 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CST WEDNESDAY
 
 
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES  
2 TO 5 FT.  
 
* WHERE...PORT WING TO SAND ISLAND WI, SAND ISLAND TO BAYFIELD  
WI, OAK POINT TO SAXON HARBOR WI AND OUTER APOSTLE ISLANDS  
BEYOND 5 NM FROM MAINLAND.  
 
* WHEN...UNTIL 4 PM CST WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN  
HAZARDOUS CONDITIONS.  
 

 
 

 
 
HUYCK  
 
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