483  
AXUS43 KMQT 050201  
MISMQT  
 
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1001 PM EDT THU SEP 4 2025  
 
LSZ162-050800-  
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND  
PORTAGE MN BEYOND 5NM-  
1001 PM EDT THU SEP 4 2025 /901 PM CDT THU SEP 4 2025/  
   
REST OF TONIGHT
 
WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST  
AFTER MIDNIGHT, THEN INCREASING TO 15 TO 25 KNOTS LATE. A SLIGHT  
CHANCE OF THUNDERSTORMS BY MIDNIGHT. A CHANCE OF SHOWERS. WAVES  
2 TO 4 FEET SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO 3 TO  
5 FEET OCCASIONALLY TO 7 FEET.    
FRIDAY
 
WEST WINDS 20 TO 30 KNOTS INCREASING TO 30 KNOTS WITH A  
FEW GALE FORCE GUSTS TO 35 KNOTS POSSIBLE IN THE AFTERNOON. A  
SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 5 TO 8 FEET  
OCCASIONALLY TO 10 FEET.    
FRIDAY NIGHT
 
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO  
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.    
SATURDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID  
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.  

 
 
LSZ263-050800-  
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 PM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY  
EVENING...  
   
REST OF TONIGHT
 
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST 15 TO 25 KNOTS  
LATE. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES 3 TO 6 FEET OCCASIONALLY TO 8 FEET SUBSIDING TO 2 TO  
4 FEET, THEN BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.    
FRIDAY
 
NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO  
35 KNOTS IN THE AFTERNOON. A CHANCE OF SHOWERS. WAVES BUILDING TO  
8 TO 11 FEET OCCASIONALLY TO 14 FEET.    
FRIDAY NIGHT
 
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO  
25 KNOTS. A SLIGHT CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES  
SUBSIDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.    
SATURDAY
 
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST BY MID  
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.  

 
 
LSZ264-050800-  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-  
1001 PM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY  
EVENING...  
   
REST OF TONIGHT
 
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO  
15 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST 10 TO 20 KNOTS  
LATE. A SLIGHT CHANCE OF THUNDERSTORMS BY MIDNIGHT. A CHANCE OF  
SHOWERS. WAVES 3 TO 6 FEET OCCASIONALLY TO 8 FEET SUBSIDING TO  
2 TO 4 FEET.    
FRIDAY
 
NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST IN THE  
AFTERNOON, THEN INCREASING TO GALES TO 35 KNOTS LATE. A CHANCE OF  
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET OCCASIONALLY TO 13 FEET.    
FRIDAY NIGHT
 
WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO  
30 KNOTS AFTER MIDNIGHT, THEN DIMINISHING TO 15 TO 25 KNOTS LATE.  
A SLIGHT CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES SUBSIDING TO  
4 TO 7 FEET OCCASIONALLY TO 9 FEET.    
SATURDAY
 
NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO  
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.  

 
 
LSZ265-050800-  
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI  
BEYOND 5NM FROM SHORE-  
1001 PM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY  
EVENING...  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO  
10 TO 20 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST 15 TO  
25 KNOTS LATE. A SLIGHT CHANCE OF SHOWERS BY MIDNIGHT. A SLIGHT  
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY AFTER MIDNIGHT. WAVES  
1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO 1 TO  
3 FEET.    
FRIDAY
 
NORTHWEST GALES TO 35 KNOTS BACKING WEST IN THE  
AFTERNOON. A SLIGHT CHANCE OF WATERSPOUTS THROUGH EARLY  
AFTERNOON. SHOWERS LIKELY THROUGH EARLY AFTERNOON, THEN A CHANCE  
OF SHOWERS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET  
OCCASIONALLY TO 9 FEET.    
FRIDAY NIGHT
 
WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO  
30 KNOTS LATE. A CHANCE OF SHOWERS. WAVES SUBSIDING TO 3 TO  
5 FEET OCCASIONALLY TO 7 FEET.    
SATURDAY
 
NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF  
SHOWERS THROUGH EARLY AFTERNOON. WAVES SUBSIDING TO CALM TO  
2 FEET.  

 
 
LSZ266-050800-  
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 PM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY  
EVENING...  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO  
10 TO 20 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST 15 TO  
25 KNOTS LATE. A SLIGHT CHANCE OF SHOWERS BY MIDNIGHT. A SLIGHT  
CHANCE OF THUNDERSTORMS. SHOWERS AFTER MIDNIGHT. WAVES 4 TO  
7 FEET OCCASIONALLY TO 9 FEET SUBSIDING TO 2 TO 4 FEET.    
FRIDAY
 
NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO  
35 KNOTS IN THE AFTERNOON. SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS THROUGH EARLY AFTERNOON, THEN A CHANCE OF SHOWERS  
BY MID AFTERNOON. WAVES BUILDING TO 8 TO 11 FEET OCCASIONALLY TO  
14 FEET.    
FRIDAY NIGHT
 
WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO  
30 KNOTS AFTER MIDNIGHT, THEN VEERING NORTHWEST LATE. A CHANCE OF  
SHOWERS. WAVES BUILDING TO 9 TO 12 FEET OCCASIONALLY TO 15 FEET,  
THEN SUBSIDING TO 6 TO 9 FEET OCCASIONALLY TO 11 FEET.    
SATURDAY
 
NORTHWEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF  
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.  

 
 
LSZ267-050800-  
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER-  
1001 PM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM 8 AM EDT FRIDAY THROUGH FRIDAY  
EVENING...  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH  
20 TO 30 KNOTS LATE. SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. WAVES 3 TO 6 FEET OCCASIONALLY TO 8 FEET  
SUBSIDING TO 2 TO 4 FEET, THEN BUILDING TO 3 TO 5 FEET  
OCCASIONALLY TO 7 FEET.    
FRIDAY
 
NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO  
40 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF THUNDERSTORMS  
THROUGH EARLY AFTERNOON. SHOWERS. WAVES BUILDING TO 9 TO 12 FEET  
OCCASIONALLY TO 15 FEET.    
FRIDAY NIGHT
 
WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO  
30 KNOTS LATE. SHOWERS LIKELY THROUGH MIDNIGHT, THEN A CHANCE OF  
SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 6 TO 9 FEET  
OCCASIONALLY TO 11 FEET.    
SATURDAY
 
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO  
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING  
TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.  

 
 
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