440  
WHUS73 KDLH 201501  
MWWDLH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
1001 AM CDT MON MAY 20 2024  
 
LSZ140>146-150-210315-  
/O.CON.KDLH.GL.A.0009.240521T2200Z-240523T0000Z/  
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-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
1001 AM CDT MON MAY 20 2024  
 
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND  
WAVES 7 TO 10 FT POSSIBLE.  
 
* WHERE...PORTIONS OF LAKE SUPERIOR.  
 
* WHEN...FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING.  
 
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...THE STRONGEST WIND SPEEDS WILL BE FOUND  
TUESDAY EVENING. WINDS WILL BE NORTHEAST ON TUESDAY, SLOWLY  
BECOMING NORTHERLY TUESDAY NIGHT, THEN NORTHWEST ON WEDNESDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE  
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER  
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.  
 

 
 

 
 
BJH  
 
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