569  
FZUS53 KDLH 190745  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
245 AM CDT SUN OCT 19 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.  
 
LSZ140-191615-  
GRAND PORTAGE TO GRAND MARAIS MN-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. CHANCE OF SPRINKLES IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE  
EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.    
MONDAY
 
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST 15 TO  
20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE MORNING AND  
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO  
2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO  
AROUND 30 KNOTS BECOMING SOUTH 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS EARLY IN THE MORNING. RAIN SHOWERS. WAVES 3 TO  
5 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY  
BE NEEDED.  
 

 
 
LSZ141-191615-  
GRAND MARAIS TO TACONITE HARBOR MN-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND AFTERNOON.  
WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.    
MONDAY
 
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.  
RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING  
TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS EARLY  
IN THE MORNING. RAIN SHOWERS. WAVES 2 TO 4 FEET. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.  
 

 
 
LSZ142-191615-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND EARLY  
AFTERNOON. WAVES 1 FOOT OR LESS.    
TONIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR  
LESS.    
MONDAY
 
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS.  
RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
MONDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS AFTER  
MIDNIGHT. RAIN SHOWERS LIKELY. WAVES 1 TO 3 FEET.  
 

 
 
LSZ143-191615-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES  
1 FOOT OR LESS.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR  
LESS.    
MONDAY
 
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. RAIN SHOWERS.  
WAVES 1 TO 2 FEET.  
 

 
 
LSZ144-191615-  
TWO HARBORS TO DULUTH MN-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SUNNY THEN BECOMING PARTLY SUNNY EARLY IN THE AFTERNOON  
THEN BECOMING SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN THE  
MORNING. CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
MONDAY
 
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS BECOMING WEST 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 25 KNOTS.  
RAIN SHOWERS LIKELY. WAVES 1 TO 3 FEET.  
 

 
 
LSZ145-191615-  
DULUTH MN TO PORT WING WI-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SUNNY THEN BECOMING PARTLY SUNNY EARLY IN THE AFTERNOON  
THEN BECOMING SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTH EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO  
2 FEET.    
MONDAY
 
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS BECOMING WEST 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 25 KNOTS.  
RAIN SHOWERS LIKELY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET  
AFTER MIDNIGHT.  
 

 
 
LSZ146-191615-  
PORT WING TO SAND ISLAND WI-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTH EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO  
2 FEET.    
MONDAY
 
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS EARLY IN THE MORNING. GUSTS UP TO 25 KNOTS. RAIN SHOWERS  
LIKELY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.  
 

 
 
LSZ147-191615-  
SAND ISLAND TO BAYFIELD WI-  
245 AM CDT SUN OCT 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING  
SOUTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.    
MONDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
IN THE AFTERNOON. RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES  
1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. RAIN SHOWERS.  
WAVES 1 TO 3 FEET.  
 

 
 
LSZ150-191615-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
245 AM CDT SUN OCT 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TONIGHT
 
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.  
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING  
AND OVERNIGHT.    
MONDAY
 
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS IN THE  
AFTERNOON. RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST  
AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. RAIN SHOWERS LIKELY. WAVES  
1 TO 3 FEET.  
 

 
 
LSZ121-191615-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
245 AM CDT SUN OCT 19 2025  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.    
MONDAY
 
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST WITH GUSTS  
TO AROUND 25 KNOTS IN THE AFTERNOON. RAIN SHOWERS LIKELY IN THE  
AFTERNOON. WAVES 1 FOOT OR LESS.    
MONDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY IN THE EVENING, THEN  
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.  
 

 
 
LSZ148-191615-  
OAK POINT TO SAXON HARBOR WI-  
245 AM CDT SUN OCT 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT
 
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTHWEST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO  
2 FEET.    
MONDAY
 
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS IN THE  
AFTERNOON. RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
25 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS. WAVES 1 TO 2 FEET.  
 

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