243  
AXUS43 KMQT 111401  
MISMQT  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1001 AM EDT SUN MAY 11 2025  
 
LSZ162-112000-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
1001 AM EDT SUN MAY 11 2025 /901 AM CDT SUN MAY 11 2025/  
   
REST OF TODAY  
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH  
15 TO 25 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET BUILDING TO  
2 TO 4 FEET.    
TONIGHT  
SOUTH WINDS 20 TO 30 KNOTS BECOMING SOUTHWEST 15 TO  
25 KNOTS AFTER MIDNIGHT, THEN DIMINISHING TO 10 TO 20 KNOTS LATE.  
WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET, THEN  
SUBSIDING TO 2 TO 4 FEET.    
MONDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.  
 
 
LSZ263-112000-  
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-  
1001 AM EDT SUN MAY 11 2025  
   
REST OF TODAY  
SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO  
25 KNOTS IN THE AFTERNOON, THEN VEERING SOUTHWEST LATE. A SLIGHT  
CHANCE OF SHOWERS BY LATE MORNING. WAVES 2 TO 4 FEET SUBSIDING TO  
1 TO 3 FEET, THEN BUILDING TO 2 TO 4 FEET.    
TONIGHT  
SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO  
25 KNOTS LATE. WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO  
8 FEET.    
MONDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO  
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 1 TO  
3 FEET.    
TUESDAY  
SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.  
 
 
LSZ264-112000-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
1001 AM EDT SUN MAY 11 2025  
   
REST OF TODAY  
SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO  
30 KNOTS IN THE AFTERNOON, THEN BECOMING SOUTHEAST 15 TO 25 KNOTS  
LATE. WAVES 3 TO 6 FEET OCCASIONALLY TO 8 FEET BUILDING TO 4 TO  
7 FEET OCCASIONALLY TO 9 FEET, THEN SUBSIDING TO 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET.    
TONIGHT  
SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT, THEN INCREASING TO 15 TO 25 KNOTS LATE. WAVES SUBSIDING  
TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.    
MONDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO  
15 KNOTS IN THE AFTERNOON, THEN BACKING SOUTHEAST LATE. WAVES  
SUBSIDING TO 1 TO 3 FEET.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 2 TO  
4 FEET, THEN SUBSIDING TO 1 TO 3 FEET.  
 
 
LSZ265-112000-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
1001 AM EDT SUN MAY 11 2025  
   
REST OF TODAY  
SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH IN  
THE AFTERNOON. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET, THEN SUBSIDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET.    
TONIGHT  
SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT, THEN DIMINISHING TO 10 TO 20 KNOTS LATE. WAVES  
SUBSIDING TO 1 TO 3 FEET.    
MONDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON, THEN INCREASING TO 15 TO 25 KNOTS LATE. WAVES  
SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO 2 TO 4 FEET.    
MONDAY NIGHT  
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.  
 
 
LSZ266-112000-  
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-  
1001 AM EDT SUN MAY 11 2025  
   
REST OF TODAY  
SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO  
30 KNOTS IN THE AFTERNOON. WAVES 3 TO 6 FEET OCCASIONALLY TO  
8 FEET BUILDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET, THEN  
SUBSIDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.    
TONIGHT  
SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO  
20 KNOTS. WAVES SUBSIDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
MONDAY  
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.    
MONDAY NIGHT  
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.  
 
 
LSZ267-112000-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
1001 AM EDT SUN MAY 11 2025  
   
REST OF TODAY  
SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH  
20 TO 30 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY  
LATE MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.    
TONIGHT  
SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO  
6 FEET OCCASIONALLY TO 8 FEET.    
MONDAY  
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH LATE.  
WAVES SUBSIDING TO 1 TO 3 FEET.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO  
2 TO 4 FEET, THEN SUBSIDING TO 1 TO 3 FEET.  
 
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