253  
FZUS53 KDLH 032314  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
613 PM CDT THU SEP 3 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.  
 
LSZ140-041000-  
GRAND PORTAGE TO GRAND MARAIS MN-  
613 PM CDT THU SEP 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING  
THROUGH LATE FRIDAY NIGHT...  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS  
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO  
25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF  
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES  
1 TO 2 FEET.  
 
 
 
LSZ141-041000-  
GRAND MARAIS TO TACONITE HARBOR MN-  
613 PM CDT THU SEP 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING  
THROUGH LATE FRIDAY NIGHT...  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN  
INCREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS IN  
THE LATE EVENING AND EARLY MORNING. CHANCE OF RAIN SHOWERS IN THE  
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF THUNDERSTORMS TOWARD  
DAYBREAK. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET TOWARD  
DAYBREAK.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS  
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN  
SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO  
2 FEET IN THE LATE EVENING AND OVERNIGHT.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE  
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ142-041000-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
613 PM CDT THU SEP 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING  
THROUGH LATE FRIDAY NIGHT...  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT, THEN INCREASING  
TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING.  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS TOWARD  
DAYBREAK. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING  
TO 1 TO 3 FEET AFTER MIDNIGHT.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS  
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO  
25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF  
RAIN SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.  
WAVES 1 TO 2 FEET.  
 
 
 
LSZ143-041000-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
613 PM CDT THU SEP 3 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING  
THROUGH LATE FRIDAY NIGHT...  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS. RAIN SHOWERS IN THE EVENING. CHANCE OF  
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 2 TO 4 FEET.    
FRIDAY  
NORTHEAST 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. PATCHY FOG IN  
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES  
2 TO 4 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING  
TO 1 TO 3 FEET AFTER MIDNIGHT.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.  
 
 
 
LSZ144-041000-  
TWO HARBORS TO DULUTH MN-  
613 PM CDT THU SEP 3 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT  
 
   
REST OF TONIGHT  
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO  
30 KNOTS DECREASING TO 25 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG  
AFTER MIDNIGHT. WAVES 2 TO 4 FEET.    
FRIDAY  
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING  
TO 1 TO 2 FEET EARLY IN THE MORNING.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.  
 
 
 
LSZ145-041000-  
DULUTH MN TO PORT WING WI-  
613 PM CDT THU SEP 3 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT  
 
   
REST OF TONIGHT  
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO  
30 KNOTS DECREASING TO 20 KNOTS. SHOWERS WITH THUNDERSTORMS  
LIKELY IN THE EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET.    
FRIDAY  
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY  
FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.  
WAVES 2 TO 4 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING  
TO 1 TO 2 FEET EARLY IN THE MORNING.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.  
 
 
 
LSZ146-041000-  
PORT WING TO SAND ISLAND WI-  
613 PM CDT THU SEP 3 2026  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. SHOWERS IN THE  
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SHOWERS  
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO  
3 FEET.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 2 TO  
4 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.  
 
 
 
LSZ147-041000-  
SAND ISLAND TO BAYFIELD WI-  
613 PM CDT THU SEP 3 2026  
   
REST OF TONIGHT  
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS  
DECREASING TO 20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS EARLY IN THE EVENING, THEN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS TOWARD  
DAYBREAK. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO  
3 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SLIGHT  
CHANCE OF SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT.  
WAVES 1 TO 3 FEET.    
SATURDAY  
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.  
WAVES 1 TO 2 FEET.  
 
 
 
LSZ150-041000-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
613 PM CDT THU SEP 3 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 35 KNOTS  
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING, THEN SHOWERS LIKELY AND  
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS TOWARD  
DAYBREAK. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY  
FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING.  
WAVES 2 TO 4 FEET.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY FOG  
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER  
MIDNIGHT.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY SUNNY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ121-041000-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
613 PM CDT THU SEP 3 2026  
   
REST OF TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
35 KNOTS. CHANCE OF THUNDERSTORMS IN THE EVENING. SHOWERS LIKELY  
THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET TOWARD DAYBREAK.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE  
AFTERNOON.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PATCHY  
FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET  
AFTER MIDNIGHT.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO  
2 FEET.  
 
 
 
LSZ148-041000-  
OAK POINT TO SAXON HARBOR WI-  
613 PM CDT THU SEP 3 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TONIGHT  
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
35 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING, THEN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE  
LATE EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS TOWARD DAYBREAK. PATCHY FOG AFTER  
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET TOWARD  
DAYBREAK.    
FRIDAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE  
AFTERNOON.    
FRIDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SLIGHT  
CHANCE OF SHOWERS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT.  
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO  
2 FEET.  
 
 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
WFO DLH  
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