619  
FZUS53 KDTX 101339  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
939 AM EDT THU JUL 10 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.  
 
LHZ422-102145-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY  
LATE IN THE MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A SLIGHT  
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-102145-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY  
LATE IN THE MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A SLIGHT  
CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT
 
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.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-102145-  
PORT AUSTIN TO HARBOR BEACH MI-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY  
LATE IN THE MORNING BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE  
OF SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT
 
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.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-102145-  
HARBOR BEACH TO PORT SANILAC MI-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY LATE IN  
THE MORNING BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-102145-  
PORT SANILAC TO PORT HURON MI-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY LATE IN  
THE MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-102145-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
939 AM EDT THU JUL 10 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 74 DEGREES.  
 

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