813  
FZUS53 KDTX 260805  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
405 AM EDT SUN APR 26 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE  
 
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.  
 
LHZ422-261615-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. MOSTLY SUNNY IN THE MORNING BECOMING  
PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 20 TO 25 KNOTS  
WITH GUSTS TO 30 KNOTS. MOSTLY SUNNY UNTIL LATE AFTERNOON BECOMING  
PARTLY CLOUDY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE  
NEEDED.   
MONDAY NIGHT
 
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT  
GALES. RAIN SHOWERS LIKELY UNTIL EARLY MORNING. A CHANCE OF  
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING, THEN SHOWERS  
AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.  
A GALE WARNING MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-261615-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY IN THE MORNING  
BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY UNTIL  
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS BECOMING SOUTH TO 30  
KNOTS AFTER MIDNIGHT. GUSTS TO 35 KNOT GALES. A CHANCE OF SHOWERS  
UNTIL EARLY MORNING. RAIN SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET.  
WAVES OCCASIONALLY AROUND 8 FEET. A GALE WARNING MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-261615-  
PORT AUSTIN TO HARBOR BEACH MI-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY IN THE  
MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY UNTIL  
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
INCREASING TO 30 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY IN THE  
EVENING. A CHANCE OF SHOWERS UNTIL EARLY MORNING. RAIN SHOWERS AFTER  
MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET IN THE LATE  
EVENING AND OVERNIGHT. WAVES OCCASIONALLY AROUND 12 FEET. A SMALL  
CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-261615-  
HARBOR BEACH TO PORT SANILAC MI-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY IN THE  
MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN  
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTHEAST 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO  
2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25  
KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
PARTLY CLOUDY EARLY IN THE EVENING. RAIN SHOWERS AFTER MIDNIGHT.  
WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET IN THE LATE EVENING AND  
OVERNIGHT. WAVES OCCASIONALLY AROUND 12 FEET. A SMALL CRAFT ADVISORY  
MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-261615-  
PORT SANILAC TO PORT HURON MI-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN  
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTHEAST 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO  
2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25  
KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
PARTLY CLOUDY UNTIL EARLY MORNING, THEN SHOWERS AFTER MIDNIGHT. WAVES  
4 TO 6 FEET BUILDING TO 5 TO 7 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 10 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-261615-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
405 AM EDT SUN APR 26 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 10 TO  
15 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING BECOMING  
MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO  
3 FEET.    
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY  
EARLY IN THE EVENING. A CHANCE OF SHOWERS UNTIL EARLY MORNING.  
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES  
2 TO 4 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 52 DEGREES.  
 

 
 
AA  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
 
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