825  
FZUS53 KDLH 170120  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
820 PM CDT FRI MAY 16 2025  
 
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.  
 
LSZ141-171015-  
GRAND MARAIS TO TACONITE HARBOR MN-  
820 PM CDT FRI MAY 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON...  
   
REST OF TONIGHT
 
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE  
EVENING, THEN BECOMING NORTHWEST AFTER MIDNIGHT. CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SATURDAY
 
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS LATE  
IN THE AFTERNOON. 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. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
SATURDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR  
LESS.    
SUNDAY
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 

 
 
LSZ140-171015-  
GRAND PORTAGE TO GRAND MARAIS MN-  
820 PM CDT FRI MAY 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY EVENING...  
   
REST OF TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
LATE IN THE EVENING, THEN BECOMING NORTHWEST AFTER MIDNIGHT.  
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE EVENING, THEN CHANCE  
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SATURDAY
 
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT  
CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS  
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT  
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY  
CLOUDY. WAVES 1 TO 2 FEET.  
 

 
 
LSZ142-143-171015-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
820 PM CDT FRI MAY 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON...  
   
REST OF TONIGHT
 
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE  
EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
SATURDAY
 
NORTHWEST 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. SLIGHT CHANCE  
OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN  
SHOWERS. WAVES 1 FOOT OR LESS.    
SUNDAY
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.  
 

 
 
LSZ144-171015-  
TWO HARBORS TO DULUTH MN-  
820 PM CDT FRI MAY 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON...  
   
REST OF TONIGHT
 
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE  
EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.    
SATURDAY
 
NORTHWEST 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. SLIGHT CHANCE  
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE EVENING. AREAS OF SMOKE IN THE EVENING. CHANCE OF  
RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING PARTLY  
SUNNY. WAVES 1 TO 2 FEET.  
 

 
 
LSZ145-171015-  
DULUTH MN TO PORT WING WI-  
820 PM CDT FRI MAY 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH  
SATURDAY AFTERNOON...  
   
REST OF TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING NORTH LATE  
IN THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.    
SATURDAY
 
NORTHWEST 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. SLIGHT CHANCE  
OF RAIN SHOWERS. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH  
5 TO 10 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS. WAVES  
1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING PARTLY  
SUNNY. WAVES 1 TO 2 FEET.  
 

 
 
LSZ146-171015-  
PORT WING TO SAND ISLAND WI-  
820 PM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST  
LATE IN THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF  
RAIN SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN  
SHOWERS TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY  
IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH  
AFTER MIDNIGHT. AREAS OF SMOKE IN THE EVENING. CHANCE OF RAIN  
SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.    
SUNDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 TO  
2 FEET.  
 

 
 
LSZ147-171015-  
SAND ISLAND TO BAYFIELD WI-  
820 PM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING, THEN  
SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 FOOT OR  
LESS.    
SATURDAY
 
WEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS WITH  
GUSTS TO AROUND 20 KNOTS LATE IN THE MORNING, THEN BECOMING  
NORTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SLIGHT  
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH  
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 TO  
2 FEET.  
 

 
 
LSZ150-171015-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
820 PM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
EAST WIND 5 KNOTS BECOMING NORTHWEST AFTER  
MIDNIGHT, THEN BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.    
SATURDAY
 
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO  
2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.   
SATURDAY NIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST LATE IN THE  
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.  
 

 
 
LSZ121-171015-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
820 PM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
SOUTH WIND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING, THEN  
SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 FOOT OR  
LESS.    
SATURDAY
 
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN  
THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
SATURDAY NIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH  
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS LATE  
IN THE AFTERNOON. GUSTS UP TO 20 KNOTS IN THE LATE MORNING AND  
EARLY AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 

 
 
LSZ148-171015-  
OAK POINT TO SAXON HARBOR WI-  
820 PM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER  
MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.    
SATURDAY
 
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST LATE IN  
THE AFTERNOON. GUSTS UP TO 20 KNOTS IN THE LATE MORNING AND  
AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.  
 

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