684  
AXUS43 KMQT 120802  
MISMQT  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO  
NATIONAL WEATHER SERVICE MARQUETTE MI  
401 AM EDT MON MAY 12 2025  
 
LSZ162-122000-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
401 AM EDT MON MAY 12 2025 /301 AM CDT MON MAY 12 2025/  
   
EARLY THIS MORNING
 
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 3 FEET.    
TODAY
 
SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST LATE.  
WAVES SUBSIDING TO CALM TO 2 FEET.    
TONIGHT
 
SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.    
TUESDAY
 
SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS  
IN THE AFTERNOON. WAVES CALM TO 2 FEET.    
TUESDAY NIGHT
 
NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER  
MIDNIGHT. WAVES CALM TO 2 FEET.  

 
 
LSZ263-122000-  
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE  
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE  
ROYALE NATIONAL PARK-  
401 AM EDT MON MAY 12 2025  
   
EARLY THIS MORNING
 
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO  
4 FEET.    
TODAY
 
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO  
15 KNOTS IN THE AFTERNOON, THEN BACKING SOUTHEAST LATE. WAVES  
SUBSIDING TO CALM TO 2 FEET.    
TONIGHT
 
SOUTH WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO  
3 FEET.    
TUESDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING EAST IN THE  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH  
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET, THEN SUBSIDING TO  
CALM TO 2 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY  
MID AFTERNOON. WAVES CALM TO 2 FEET.  

 
 
LSZ264-122000-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
401 AM EDT MON MAY 12 2025  
   
EARLY THIS MORNING
 
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO  
4 FEET.    
TODAY
 
SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS  
IN THE AFTERNOON, THEN BACKING SOUTHEAST LATE. WAVES SUBSIDING TO  
1 TO 3 FEET.    
TONIGHT
 
SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS LATE. WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO  
7 FEET, THEN SUBSIDING TO 1 TO 3 FEET.    
TUESDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO  
1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH  
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET, THEN  
SUBSIDING TO 1 TO 3 FEET.  

 
 
LSZ265-122000-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
401 AM EDT MON MAY 12 2025  
   
EARLY THIS MORNING
 
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO  
3 FEET.    
TODAY
 
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO  
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET,  
THEN BUILDING TO 2 TO 4 FEET.    
TONIGHT
 
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY
 
SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON, THEN INCREASING TO 15 TO 25 KNOTS LATE. WAVES BUILDING  
TO 1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO  
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.  

 
 
LSZ266-122000-  
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI  
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER  
BEYOND 5NM FROM SHORE-  
401 AM EDT MON MAY 12 2025  
   
EARLY THIS MORNING
 
SOUTH WINDS 10 TO 20 KNOTS. WAVES 2 TO  
4 FEET.    
TODAY
 
SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON, THEN INCREASING TO 15 TO 25 KNOTS LATE. WAVES  
SUBSIDING TO 1 TO 3 FEET, THEN BUILDING TO 2 TO 4 FEET.    
TONIGHT
 
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET, THEN SUBSIDING TO 2 TO 4 FEET.    
TUESDAY
 
SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO  
1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH  
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO  
1 TO 3 FEET.  

 
 
LSZ267-122000-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
401 AM EDT MON MAY 12 2025  
   
EARLY THIS MORNING
 
SOUTH WINDS 15 TO 25 KNOTS. WAVES 2 TO  
4 FEET.    
TODAY
 
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 15 TO  
25 KNOTS LATE. WAVES SUBSIDING TO 1 TO 3 FEET.    
TONIGHT
 
SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO  
2 FEET.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO  
3 FEET.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING  
TO CALM TO 2 FEET.  

 
 
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