509  
AXUS43 KMQT 232001  
MISMQT  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO  
NATIONAL WEATHER SERVICE MARQUETTE MI  
400 PM EDT SAT MAY 23 2026  
 
LSZ162-240800-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
400 PM EDT SAT MAY 23 2026 /300 PM CDT SAT MAY 23 2026/  
   
LATE THIS AFTERNOON
 
NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE  
OF RAIN SHOWERS. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTHWEST LATE.  
A SLIGHT CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT. PATCHY DENSE  
FOG. WAVES SUBSIDING TO CALM TO 2 FEET.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH LATE. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON.  
WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO  
2 FEET.    
MONDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID  
AFTERNOON. WAVES CALM TO 2 FEET.  

 
 
LSZ263-240800-  
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-  
400 PM EDT SAT MAY 23 2026  
   
LATE THIS AFTERNOON
 
EAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS  
LIKELY. WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
TONIGHT
 
EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST AFTER  
MIDNIGHT, THEN BECOMING WEST 5 TO 15 KNOTS LATE. A CHANCE OF RAIN  
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH LATE. WAVES  
SUBSIDING TO CALM TO 2 FEET.    
SUNDAY NIGHT
 
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO  
2 FEET.    
MONDAY
 
SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST 5 TO  
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS BY MID  
AFTERNOON. WAVES CALM TO 2 FEET.  

 
 
LSZ264-240800-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
400 PM EDT SAT MAY 23 2026  
   
LATE THIS AFTERNOON
 
SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE  
OF RAIN SHOWERS. WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO  
20 KNOTS LATE. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 4 TO  
7 FEET OCCASIONALLY TO 9 FEET, THEN SUBSIDING TO 2 TO 4 FEET.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM  
TO 2 FEET.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 15 KNOTS VEERING WEST LATE.  
WAVES CALM TO 2 FEET.    
MONDAY
 
SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST 5 TO  
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS BY MID  
AFTERNOON. WAVES CALM TO 2 FEET.  

 
 
LSZ265-240800-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
400 PM EDT SAT MAY 23 2026  
   
LATE THIS AFTERNOON
 
SOUTHEAST WINDS 20 TO 30 KNOTS. A SLIGHT  
CHANCE OF SHOWERS. WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO  
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET, THEN SUBSIDING TO 1 TO 3 FEET.    
SUNDAY
 
SOUTH WINDS 10 TO 20 KNOTS VEERING WEST IN THE  
AFTERNOON, THEN BECOMING SOUTH 5 TO 15 KNOTS LATE. WAVES  
SUBSIDING TO CALM TO 2 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST  
AFTER MIDNIGHT, THEN VEERING WEST LATE. WAVES CALM TO 2 FEET.    
MONDAY
 
SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO  
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS BY MID AFTERNOON. WAVES CALM TO 2 FEET.  

 
 
LSZ266-240800-  
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-  
400 PM EDT SAT MAY 23 2026  
   
LATE THIS AFTERNOON
 
SOUTHEAST WINDS TO 30 KNOTS WITH A FEW  
GALE FORCE GUSTS TO 35 KNOTS POSSIBLE. A CHANCE OF SHOWERS. WAVES  
3 TO 6 FEET OCCASIONALLY TO 8 FEET BUILDING TO 4 TO 7 FEET  
OCCASIONALLY TO 9 FEET.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO  
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 2 TO  
4 FEET.    
SUNDAY
 
SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO  
15 KNOTS IN THE AFTERNOON, THEN BACKING SOUTHEAST LATE. A SLIGHT  
CHANCE OF RAIN SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING  
TO CALM TO 2 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH  
10 TO 20 KNOTS AFTER MIDNIGHT, THEN BECOMING SOUTHWEST 5 TO  
15 KNOTS LATE. WAVES BUILDING TO 1 TO 3 FEET.    
MONDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY MID  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.  

 
 
LSZ267-240800-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
400 PM EDT SAT MAY 23 2026  
   
LATE THIS AFTERNOON
 
SOUTHEAST WINDS TO 30 KNOTS WITH A FEW  
GALE FORCE GUSTS TO 35 KNOTS POSSIBLE. WAVES 3 TO 6 FEET  
OCCASIONALLY TO 8 FEET.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH IN THE  
AFTERNOON. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH EARLY  
AFTERNOON. WAVES CALM TO 2 FEET.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH  
10 TO 20 KNOTS AFTER MIDNIGHT, THEN VEERING SOUTHWEST LATE. WAVES  
BUILDING TO 1 TO 3 FEET.    
MONDAY
 
SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY MID  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.  

 
 
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