265  
FZUS53 KDTX 271405  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1005 AM EDT SUN APR 27 2025  
 
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.  
 
LHZ422-272215-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
WEST WINDS 5 TO 10 KNOTS BACKING TO THE  
SOUTHEAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO  
3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING SOUTHWEST TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES AFTER  
MIDNIGHT. PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS 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.  
 

 
 
LHZ421-272215-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
NORTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE  
SOUTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO  
3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
INCREASING TO 30 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. A CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-272215-  
PORT AUSTIN TO HARBOR BEACH MI-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
NORTHWEST WINDS 5 TO 10 KNOTS IN THE LATE  
MORNING AND EARLY AFTERNOON BECOMING EAST. MOSTLY SUNNY. WAVES 1  
TO 3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25  
KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-272215-  
HARBOR BEACH TO PORT SANILAC MI-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE  
NORTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.   
TONIGHT
 
LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 KNOTS  
IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR  
LESS.    
MONDAY
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-272215-  
PORT SANILAC TO PORT HURON MI-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE  
NORTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS EARLY IN THE EVENING BECOMING  
LIGHT AND VARIABLE, THEN BECOMING SOUTH 5 TO 10 KNOTS AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 15 TO 20 KNOTS.  
MOSTLY SUNNY. WAVES 2 FEET OR LESS BUILDING TO 2 TO 4 FEET EARLY  
IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. A CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-272215-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
1005 AM EDT SUN APR 27 2025  
   
REST OF TODAY
 
LIGHT AND VARIABLE WINDS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 52 DEGREES.  
 

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