518  
FZUS53 KDLH 151600  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
1100 AM CDT FRI MAY 15 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.  
 
LSZ140-152200-  
GRAND PORTAGE TO GRAND MARAIS MN-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
25 KNOTS INCREASING TO 30 KNOTS LATE. SUNNY. WAVES 4 TO 7 FEET.  
WAVES OCCASIONALLY TO 9 FEET.    
TONIGHT  
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY  
CLEAR. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 3 FEET. WAVES  
OCCASIONALLY TO 9 FEET.    
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
SATURDAY NIGHT  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO  
2 FEET.  
 
 
 
LSZ141-152200-  
GRAND MARAIS TO TACONITE HARBOR MN-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET BUILDING TO 3 TO  
5 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.    
TONIGHT  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY  
CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.   
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES  
1 TO 2 FEET.    
SATURDAY NIGHT  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ142-152200-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE AFTERNOON.    
TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.  
WAVES 1 TO 3 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST WITH  
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.  
WAVES 1 FOOT OR LESS.  
 
 
 
LSZ143-152200-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
TONIGHT  
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO  
3 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ144-152200-  
TWO HARBORS TO DULUTH MN-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
25 KNOTS INCREASING TO 30 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
TONIGHT  
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY  
CLEAR. WAVES 1 TO 3 FEET.    
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN  
THE LATE EVENING AND EARLY MORNING, THEN RISING TO 15 TO 20 KNOTS  
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET EARLY IN THE  
MORNING.  
 
 
 
LSZ145-152200-  
DULUTH MN TO PORT WING WI-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
25 KNOTS INCREASING TO 30 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
TONIGHT  
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.  
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING  
AND OVERNIGHT.    
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
IN THE LATE EVENING AND EARLY MORNING, THEN RISING TO 15 TO  
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING.  
PARTLY CLOUDY. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET EARLY  
IN THE MORNING.  
 
 
 
LSZ146-152200-  
PORT WING TO SAND ISLAND WI-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
MOSTLY CLEAR. WAVES 1 TO 3 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND EARLY AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ147-152200-  
SAND ISLAND TO BAYFIELD WI-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 3 FEET.    
TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
MOSTLY CLEAR. WAVES 1 TO 3 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST WITH  
GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ150-152200-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 30 KNOTS. SUNNY. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET LATE.    
TONIGHT  
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY  
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.   
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND EARLY AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT  
NORTHEAST WIND 5 KNOTS RISING TO 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ121-152200-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
25 KNOTS INCREASING TO 30 KNOTS IN THE AFTERNOON. SUNNY. WAVES  
1 TO 2 FEET.    
TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
MOSTLY CLEAR. WAVES 1 TO 2 FEET.    
SATURDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE  
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ148-152200-  
OAK POINT TO SAXON HARBOR WI-  
1100 AM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING  
 
   
REST OF TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
25 KNOTS. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
MOSTLY CLEAR. WAVES 1 TO 2 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING NORTHWEST LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR  
LESS.    
SATURDAY NIGHT  
NORTHEAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS  
IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR  
LESS.  
 
 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
WFO DLH  
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