828  
FZUS53 KDLH 071505  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
1005 AM CDT MON SEP 7 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR.  
 
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST  
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF  
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.  
 
LSZ140-072200-  
GRAND PORTAGE TO GRAND MARAIS MN-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING  
THROUGH LATE TONIGHT...  
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY  
AFTERNOON...  
   
REST OF TODAY
 
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS LATE. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE MORNING.  
PATCHY FOG IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO  
2 FEET.    
TONIGHT
 
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
BECOMING SOUTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS  
AFTER MIDNIGHT, THEN BECOMING SOUTH 20 TO 25 KNOTS WITH GALES TO  
AROUND 35 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO  
5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET. A GALE  
WARNING MAY BE NEEDED.    
TUESDAY
 
SOUTH WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS  
DECREASING TO 30 KNOTS. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 10 FEET. A  
GALE WARNING MAY BE NEEDED.    
TUESDAY NIGHT
 
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO  
35 KNOTS DECREASING TO 30 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN  
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE NEEDED.  
 

 
 
LSZ141-072200-  
GRAND MARAIS TO TACONITE HARBOR MN-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING  
THROUGH WEDNESDAY MORNING...  
   
REST OF TODAY
 
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
LATE. SLIGHT CHANCE OF SHOWERS IN THE LATE MORNING AND EARLY  
AFTERNOON. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE  
MORNING. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER  
MIDNIGHT. WAVES 1 TO 3 FEET.    
TUESDAY
 
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS  
DECREASING TO 20 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO  
25 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING.  
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING, THEN CHANCE  
OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 

 
 
LSZ142-072200-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS LATE. PATCHY FOG EARLY IN THE AFTERNOON. SLIGHT CHANCE  
OF SHOWERS LATE. WAVES 1 FOOT OR LESS.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS EARLY IN  
THE MORNING. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE  
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND EARLY  
MORNING, THEN INCREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY  
CLOUDY IN THE EVENING THEN CLEARING. WAVES 1 TO 2 FEET.  
 

 
 
LSZ143-072200-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS LATE. PATCHY FOG EARLY IN THE AFTERNOON. SLIGHT CHANCE  
OF SHOWERS LATE. WAVES 1 FOOT OR LESS.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS EARLY IN  
THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES  
1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND EARLY  
MORNING, THEN INCREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT  
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.  
 

 
 
LSZ144-072200-  
TWO HARBORS TO DULUTH MN-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS LATE. WAVES  
1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN  
THE AFTERNOON. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES  
1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT  
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FEET.  
 

 
 
LSZ145-072200-  
DULUTH MN TO PORT WING WI-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS LATE. SLIGHT CHANCE OF SHOWERS LATE. WAVES 1 FOOT OR  
LESS.    
TONIGHT
 
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER  
MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE  
MORNING. WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.  
WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.  
 

 
 
LSZ146-072200-  
PORT WING TO SAND ISLAND WI-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF  
SHOWERS LATE. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS TO  
AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING.  
WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO  
1 TO 3 FEET EARLY IN THE MORNING.  
 

 
 
LSZ147-072200-  
SAND ISLAND TO BAYFIELD WI-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
EAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS LATE.  
PARTLY SUNNY. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS TO  
AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE  
OF SHOWERS IN THE EVENING, THEN SHOWERS AND CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
TUESDAY
 
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING.  
WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 30 KNOTS. PARTLY CLOUDY. WAVES 1 TO  
3 FEET.  
 

 
 
LSZ150-072200-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND CHANCE  
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS  
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. SHOWERS AND  
CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS INCREASING TO 30 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY. WAVES 1 TO 3 FEET.  
 

 
 
LSZ121-072200-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE.  
PARTLY SUNNY. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND CHANCE  
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
TUESDAY
 
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING.  
WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 

 
 
LSZ148-072200-  
OAK POINT TO SAXON HARBOR WI-  
1005 AM CDT MON SEP 7 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
REST OF TODAY
 
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND CHANCE  
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY
 
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
30 KNOTS. SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING.  
WAVES 1 TO 2 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
30 KNOTS DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO  
2 FEET.  
 

 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
WFO DLH  
 
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