806  
AXUS43 KMQT 152001  
MISMQT  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO  
NATIONAL WEATHER SERVICE MARQUETTE MI  
401 PM EDT MON SEP 15 2025  
 
LSZ162-160800-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
401 PM EDT MON SEP 15 2025 /301 PM CDT MON SEP 15 2025/  
   
LATE THIS AFTERNOON  
NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER  
MIDNIGHT, THEN VEERING SOUTH LATE. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY  
SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS  
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST LATE.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
WAVES CALM TO 2 FEET.    
WEDNESDAY  
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES  
CALM TO 2 FEET.  
 
 
LSZ263-160800-  
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 PM EDT MON SEP 15 2025  
   
LATE THIS AFTERNOON  
EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE  
OF SHOWERS. WAVES CALM TO 2 FEET.    
TONIGHT  
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER  
MIDNIGHT. PATCHY DENSE FOG THROUGH MIDNIGHT. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET.    
TUESDAY  
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE  
AFTERNOON, THEN BACKING SOUTH LATE. A SLIGHT CHANCE OF SHOWERS  
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 5 TO 15 KNOTS VEERING WEST LATE. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES  
CALM TO 2 FEET.    
WEDNESDAY  
WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.  
 
 
LSZ264-160800-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
401 PM EDT MON SEP 15 2025  
   
LATE THIS AFTERNOON  
SOUTHEAST WINDS 10 TO 20 KNOTS. PATCHY  
DENSE FOG. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.    
TONIGHT  
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER  
MIDNIGHT, THEN DIMINISHING TO 5 TO 15 KNOTS LATE. A SLIGHT CHANCE  
OF SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET, THEN  
SUBSIDING TO 1 TO 3 FEET.    
TUESDAY  
SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS  
THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 5 TO 15 KNOTS VEERING WEST LATE. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES  
CALM TO 2 FEET.    
WEDNESDAY  
WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF  
THUNDERSTORMS THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF  
SHOWERS. WAVES CALM TO 2 FEET.  
 
 
LSZ265-160800-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
401 PM EDT MON SEP 15 2025  
   
LATE THIS AFTERNOON  
SOUTHEAST WINDS 15 TO 25 KNOTS. WAVES CALM  
TO 2 FEET BUILDING TO 1 TO 3 FEET.    
TONIGHT  
SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO  
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.    
TUESDAY  
SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.  
WAVES CALM TO 2 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST  
AFTER MIDNIGHT, THEN DIMINISHING TO 5 TO 15 KNOTS LATE. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO  
2 FEET.    
WEDNESDAY  
WEST WINDS 5 TO 15 KNOTS VEERING NORTH BY MID  
AFTERNOON. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES CALM TO 2 FEET.  
 
 
LSZ266-160800-  
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 PM EDT MON SEP 15 2025  
   
LATE THIS AFTERNOON  
SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM  
TO 2 FEET BUILDING TO 1 TO 3 FEET.    
TONIGHT  
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.    
TUESDAY  
SOUTH WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO  
2 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST  
5 TO 15 KNOTS LATE. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET, THEN SUBSIDING TO  
CALM TO 2 FEET.    
WEDNESDAY  
WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES CALM TO 2 FEET.  
 
 
LSZ267-160800-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
401 PM EDT MON SEP 15 2025  
   
LATE THIS AFTERNOON  
SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM  
TO 2 FEET.    
TONIGHT  
SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.    
TUESDAY  
SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON. WAVES CALM TO 2 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO  
2 FEET.    
WEDNESDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO  
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES CALM TO 2 FEET.  
 
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