744  
FZUS53 KDLH 181803  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
103 PM CDT FRI APR 18 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.  
 
LSZ140-141-182215-  
GRAND PORTAGE TO GRAND MARAIS MN-  
GRAND MARAIS TO TACONITE HARBOR MN-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS LATE. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST  
AFTER MIDNIGHT, THEN BECOMING EAST EARLY IN THE MORNING. MOSTLY  
CLEAR. WAVES 1 FOOT OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ142-143-182215-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO  
20 KNOTS LATE. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY SUNNY. WAVES  
1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE  
IN THE EVENING, THEN BECOMING NORTHEAST AFTER MIDNIGHT. MOSTLY  
CLEAR. WAVES 1 FOOT OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ144-145-182215-  
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
TONIGHT  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE EVENING. MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. WAVES 1 TO 2 FEET.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
EAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT  
OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ146-182215-  
PORT WING TO SAND ISLAND WI-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.  
WAVES 1 FOOT OR LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE  
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ147-182215-  
SAND ISLAND TO BAYFIELD WI-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
WEST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT  
OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ121-182215-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTH WIND 5 KNOTS. PATCHY FOG EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN THROUGH THE DAY. WAVES 1 FOOT OR  
LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
1 FOOT OR LESS.    
SATURDAY NIGHT  
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE  
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ148-182215-  
OAK POINT TO SAXON HARBOR WI-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 KNOTS. PATCHY FOG EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN THROUGH THE DAY. WAVES 1 FOOT OR  
LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE  
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
LSZ150-182215-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
103 PM CDT FRI APR 18 2025  
   
REST OF TODAY  
NORTHWEST WIND 5 KNOTS. PATCHY FOG EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN THROUGH THE DAY. WAVES 1 FOOT OR  
LESS.    
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
1 TO 2 FEET.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE  
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT  
SOUTH WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT  
OR LESS.  
 
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.  
 
 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
LEVENS  
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