308  
FZUS53 KDLH 182002  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
302 PM CDT FRI JUL 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.  
 
LSZ140-141-190415-  
GRAND PORTAGE TO GRAND MARAIS MN-  
GRAND MARAIS TO TACONITE HARBOR MN-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE  
EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING NORTH LATE IN  
THE NIGHT. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. PATCHY  
FOG LATE IN THE NIGHT. WAVES 1 TO 2 FEET.    
SATURDAY  
NORTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE  
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST  
AFTER MIDNIGHT. AREAS OF SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR  
LESS.    
SUNDAY  
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE AFTERNOON.  
AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ142-143-190415-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE  
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR  
LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN  
THE AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.  
PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER  
MIDNIGHT. AREAS OF SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.   
SUNDAY  
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING  
AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR  
LESS.  
 
 
 
LSZ144-190415-  
TWO HARBORS TO DULUTH MN-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY IN  
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND  
OVERNIGHT. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
NORTHWEST WIND 5 KNOTS. AREAS OF SMOKE AFTER  
MIDNIGHT. WAVES 1 FOOT OR LESS.    
SUNDAY  
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING  
AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR  
LESS.  
 
 
 
LSZ145-190415-  
DULUTH MN TO PORT WING WI-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF 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 LATE IN THE NIGHT. PATCHY FOG AFTER  
MIDNIGHT. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
WEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT  
OR LESS.    
SUNDAY  
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE  
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ146-190415-  
PORT WING TO SAND ISLAND WI-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS IN THE  
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS  
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR  
LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY  
IN THE AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.  
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING  
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SUNDAY  
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE  
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ147-190415-  
SAND ISLAND TO BAYFIELD WI-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE  
NIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF  
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY  
IN THE AFTERNOON, THEN BECOMING SOUTH LATE IN THE AFTERNOON.  
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING. WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING  
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS  
AFTER MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. AREAS OF SMOKE  
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
SUNDAY  
NORTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE  
AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ150-190415-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE  
NIGHT. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT OR  
LESS.    
SATURDAY  
NORTH WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN THE  
AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.  
WAVES 1 FOOT OR LESS.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST EARLY  
IN THE MORNING. AREAS OF SMOKE AFTER MIDNIGHT. WAVES 1 FOOT OR  
LESS.    
SUNDAY  
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE  
MORNING AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ121-190415-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN  
THE NIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF  
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT  
OR LESS.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING  
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST  
5 KNOTS AFTER MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY  
CLOUDY. WAVES 1 FOOT OR LESS.    
SUNDAY  
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST  
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ148-190415-  
OAK POINT TO SAXON HARBOR WI-  
302 PM CDT FRI JUL 18 2025  
   
TONIGHT  
EAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE  
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG LATE IN THE NIGHT. WAVES  
1 FOOT OR LESS.    
SATURDAY  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT  
OR LESS.    
SATURDAY NIGHT  
VARIABLE WINDS 10 KNOTS OR LESS BECOMING  
SOUTHWEST 5 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY  
CLOUDY. WAVES 1 FOOT OR LESS.    
SUNDAY  
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE  
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
ROTHSTEIN  
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