291  
FZUS53 KDLH 042333  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
533 PM CST THU DEC 4 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.  
 
LSZ140-050500-  
GRAND PORTAGE TO GRAND MARAIS MN-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
40 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND  
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY UNTIL EARLY MORNING.  
CHANCE OF SNOW EARLY IN THE EVENING. SNOW LATE IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 7 TO 12 FEET  
SUBSIDING TO 5 TO 8 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO  
16 FEET.    
FRIDAY  
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN  
THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 3 TO  
5 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.    
FRIDAY NIGHT  
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. WAVES 1 TO 2 FEET.    
SATURDAY  
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.  
 
 
 
LSZ141-050500-  
GRAND MARAIS TO TACONITE HARBOR MN-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
35 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW IN THE EVENING. FREEZING  
SPRAY UNTIL EARLY MORNING. WAVES 7 TO 10 FEET SUBSIDING TO 3 TO  
5 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 13 FEET.    
FRIDAY  
WEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE  
MORNING AND AFTERNOON.    
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY  
CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
IN THE MORNING. SUNNY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ142-050500-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND  
35 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS LATE IN THE NIGHT. CHANCE OF SNOW IN THE EVENING.  
FREEZING SPRAY UNTIL EARLY MORNING. WAVES 5 TO 8 FEET SUBSIDING  
TO 2 TO 4 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 10 FEET.    
FRIDAY  
WEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 1 TO 2 FEET.    
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ143-050500-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
35 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SLIGHT  
CHANCE OF SNOW EARLY IN THE EVENING. CHANCE OF SNOW LATE IN THE  
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 4 TO  
7 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE NIGHT. WAVES  
OCCASIONALLY TO 10 FEET.    
FRIDAY  
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN  
THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN CHANCE  
OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ144-050500-  
TWO HARBORS TO DULUTH MN-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
35 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW UNTIL EARLY MORNING.  
FREEZING SPRAY LATE IN THE EVENING. WAVES 4 TO 6 FEET SUBSIDING  
TO 1 TO 3 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 8 FEET.    
FRIDAY  
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN  
THE AFTERNOON. CHANCE OF SNOW THROUGH THE DAY. WAVES 1 TO 2 FEET.   
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
SATURDAY  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ145-050500-  
DULUTH MN TO PORT WING WI-  
533 PM CST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
TONIGHT  
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND  
35 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
LATE IN THE NIGHT. SLIGHT CHANCE OF SNOW IN THE LATE EVENING AND  
EARLY MORNING. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET LATE IN  
THE NIGHT. WAVES OCCASIONALLY TO 7 FEET.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
LATE IN THE AFTERNOON. CHANCE OF SNOW. WAVES 1 TO 2 FEET.    
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 TO  
2 FEET.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. PARTLY SUNNY.  
WAVES 1 TO 2 FEET.  
 
 
 
LSZ146-050500-  
PORT WING TO SAND ISLAND WI-  
533 PM CST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
40 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
LATE IN THE NIGHT. FREEZING SPRAY UNTIL EARLY MORNING. SLIGHT  
CHANCE OF SNOW EARLY IN THE EVENING. CHANCE OF SNOW IN THE LATE  
EVENING AND EARLY MORNING, THEN SLIGHT CHANCE OF SNOW LATE IN THE  
NIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE  
NIGHT. WAVES OCCASIONALLY TO 10 FEET.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 10 KNOTS LATE IN THE MORNING, THEN BECOMING  
WEST WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF  
SNOW. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE  
MORNING AND AFTERNOON.    
FRIDAY NIGHT  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 TO  
2 FEET.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN  
THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ147-050500-  
SAND ISLAND TO BAYFIELD WI-  
533 PM CST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO 20 KNOTS  
LATE IN THE NIGHT. GALES UP TO 40 KNOTS DECREASING TO 25 KNOTS.  
SLIGHT CHANCE OF SNOW EARLY IN THE EVENING. CHANCE OF SNOW IN THE  
LATE EVENING AND EARLY MORNING, THEN SLIGHT CHANCE OF SNOW LATE  
IN THE NIGHT. FREEZING SPRAY LATE IN THE EVENING. WAVES 4 TO  
7 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE NIGHT. WAVES  
OCCASIONALLY TO 9 FEET.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 10 KNOTS LATE IN THE MORNING, THEN BECOMING  
WEST WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SLIGHT  
CHANCE OF SNOW IN THE MORNING, THEN CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE  
MORNING AND AFTERNOON.    
FRIDAY NIGHT  
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND EARLY  
MORNING, THEN DECREASING TO 20 KNOTS EARLY IN THE MORNING. SLIGHT  
CHANCE OF SNOW IN THE EVENING. WAVES 1 TO 2 FEET.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
25 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.  
WAVES 1 TO 2 FEET.  
 
 
 
LSZ150-050500-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
533 PM CST THU DEC 4 2025  
   
..GALE WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT  
 
   
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND  
40 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
LATE IN THE NIGHT. FREEZING SPRAY UNTIL EARLY MORNING. SLIGHT  
CHANCE OF SNOW EARLY IN THE EVENING. CHANCE OF SNOW IN THE LATE  
EVENING AND EARLY MORNING, THEN SLIGHT CHANCE OF SNOW LATE IN THE  
NIGHT. WAVES 6 TO 9 FEET SUBSIDING TO 4 TO 6 FEET LATE IN THE  
NIGHT. WAVES OCCASIONALLY TO 11 FEET.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING THEN 20 KNOTS LATE IN THE AFTERNOON. SLIGHT  
CHANCE OF SNOW IN THE MORNING, THEN CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE  
MORNING AND AFTERNOON.    
FRIDAY NIGHT  
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 TO  
3 FEET.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.  
PARTLY SUNNY. WAVES 1 TO 3 FEET.  
 
 
 
LSZ121-050500-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
533 PM CST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
TONIGHT  
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND  
40 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
LATE IN THE NIGHT. CHANCE OF SNOW IN THE LATE EVENING AND EARLY  
MORNING. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET AFTER  
MIDNIGHT.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF  
SNOW. WAVES 1 FOOT OR LESS.    
FRIDAY NIGHT  
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 FOOT OR  
LESS.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ148-050500-  
OAK POINT TO SAXON HARBOR WI-  
533 PM CST THU DEC 4 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
TONIGHT  
SOUTHWEST WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS  
DECREASING TO 25 KNOTS. CHANCE OF SNOW IN THE LATE EVENING AND  
EARLY MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN  
THE NIGHT.    
FRIDAY  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. CHANCE OF SNOW THROUGH THE DAY. WAVES 1 TO 2 FEET.    
FRIDAY NIGHT  
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS. CHANCE OF SNOW IN THE EVENING, THEN SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SATURDAY  
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES  
1 TO 2 FEET.  
 
 
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
WFO DLH  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MN Page
The Nexlab WI Page
Main Text Page