544  
FZUS53 KDLH 231600  
NSHDLH  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE DULUTH MN  
1100 AM CDT SAT MAY 23 2026  
 
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.  
 
LSZ140-232200-  
GRAND PORTAGE TO GRAND MARAIS MN-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS EARLY IN THE AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN  
THE MORNING, THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES  
1 TO 3 FEET.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN  
THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN SLIGHT  
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SUNDAY  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES  
1 TO 2 FEET.    
SUNDAY NIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.  
PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 
 
 
LSZ141-232200-  
GRAND MARAIS TO TACONITE HARBOR MN-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS EARLY IN THE AFTERNOON. RAIN SHOWERS LATE IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 1 TO 3 FEET  
SUBSIDING TO 1 TO 2 FEET LATE.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING. WAVES 1 TO 2 FEET.    
SUNDAY  
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE  
MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ142-232200-  
TACONITE HARBOR TO SILVER BAY HARBOR MN-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS IN THE AFTERNOON. RAIN SHOWERS LATE IN THE MORNING, THEN  
RAIN SHOWERS LIKELY EARLY IN THE AFTERNOON. CHANCE OF RAIN  
SHOWERS LATE. WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING. WAVES 1 TO 2 FEET.    
SUNDAY  
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE  
MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ143-232200-  
SILVER BAY HARBOR TO TWO HARBORS MN-  
1100 AM CDT SAT MAY 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. RAIN SHOWERS  
LIKELY LATE IN THE MORNING, THEN CHANCE OF RAIN SHOWERS EARLY IN  
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 TO  
3 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 KNOTS LATE IN THE EVENING, THEN BECOMING  
VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES  
1 TO 2 FEET.    
SUNDAY  
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN  
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER  
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.  
 
 
 
LSZ144-232200-  
TWO HARBORS TO DULUTH MN-  
1100 AM CDT SAT MAY 23 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN  
SHOWERS LATE IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 KNOTS LATE IN THE EVENING, THEN BECOMING  
VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES  
1 TO 3 FEET.    
SUNDAY  
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ145-232200-  
DULUTH MN TO PORT WING WI-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS LATE IN THE MORNING.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO  
3 FEET.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS EARLY  
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.    
SUNDAY  
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ146-232200-  
PORT WING TO SAND ISLAND WI-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO  
20 KNOTS IN THE AFTERNOON. RAIN SHOWERS LIKELY LATE IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON.  
SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS EARLY  
IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.  
WAVES 1 TO 2 FEET.    
SUNDAY  
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ147-232200-  
SAND ISLAND TO BAYFIELD WI-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS  
LIKELY LATE IN THE MORNING, THEN CHANCE OF RAIN SHOWERS LATE.  
WAVES 1 TO 2 FEET.    
TONIGHT  
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN THE  
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT  
BECOMING WEST 5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN  
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.    
SUNDAY  
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR  
LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ150-232200-  
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS  
LIKELY LATE IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER  
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES  
1 TO 2 FEET.    
SUNDAY  
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.  
PARTLY SUNNY. WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ121-232200-  
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
EAST WIND 5 KNOTS. RAIN SHOWERS LIKELY LATE IN  
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES  
1 FOOT OR LESS.    
TONIGHT  
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN  
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES  
1 FOOT OR LESS.    
SUNDAY  
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
LSZ148-232200-  
OAK POINT TO SAXON HARBOR WI-  
1100 AM CDT SAT MAY 23 2026  
   
REST OF TODAY  
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN  
SHOWERS. WAVES 1 TO 2 FEET.    
TONIGHT  
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN THE  
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT  
BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF  
RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.    
SUNDAY  
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.  
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
SUNDAY NIGHT  
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES  
1 FOOT OR LESS.  
 
 
 
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