664  
FZUS53 KDTX 101951  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
351 PM 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.  
 
LHZ422-110400-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN PARTLY CLOUDY WITH 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.  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES  
2 FEET OR LESS.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR  
LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-110400-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A 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 10 TO 15 KNOTS VEERING TO THE  
SOUTH AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY IN THE  
MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-110400-  
PORT AUSTIN TO HARBOR BEACH MI-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING BECOMING  
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE  
MORNING BECOMING PARTLY CLOUDY. A CHANCE OF SHOWERS. WAVES 2 FEET  
OR LESS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR  
LESS.    
SATURDAY
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-110400-  
HARBOR BEACH TO PORT SANILAC MI-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING  
LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. PATCHY  
FOG IN THE MORNING. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS 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 EARLY MORNING, THEN  
DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE  
EVENING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-110400-  
PORT SANILAC TO PORT HURON MI-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING  
LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS 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 EARLY MORNING, THEN  
DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE  
EVENING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING,  
THEN MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-110400-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
351 PM EDT THU JUL 10 2025  
   
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING  
LIGHT AND VARIABLE, THEN BECOMING SOUTH 5 TO 10 KNOTS EARLY IN  
THE MORNING. CLEAR IN THE EVENING BECOMING PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 75 DEGREES.  
 

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