506  
FZUS53 KDTX 091400  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1000 AM EDT WED JUL 9 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.  
 
LHZ422-092200-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTH WINDS 5 TO 10 KNOTS BACKING TO THE  
SOUTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE MORNING  
BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS AND  
ISOLATED SHOWERS LATE IN THE MORNING, THEN A CHANCE OF  
THUNDERSTORMS AND ISOLATED SHOWERS IN THE AFTERNOON. WAVES 2 FEET  
OR LESS.    
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.  
SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 2 FEET  
OR LESS.    
THURSDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-092200-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE  
EAST LATE IN THE AFTERNOON. MOSTLY SUNNY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS AND ISOLATED SHOWERS LATE IN THE MORNING, THEN  
PARTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS AND ISOLATED SHOWERS  
IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST EARLY  
IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING THEN CLEARING.  
WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-092200-  
PORT AUSTIN TO HARBOR BEACH MI-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE  
EAST LATE IN THE AFTERNOON. PARTLY CLOUDY. SCATTERED SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING, THEN  
SCATTERED SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.  
SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 2 FEET  
OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE  
EVENING BECOMING LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-092200-  
HARBOR BEACH TO PORT SANILAC MI-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY  
LATE IN THE MORNING BECOMING PARTLY CLOUDY. SCATTERED SHOWERS AND  
A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH IN THE  
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. NUMEROUS SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE EVENING. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY  
MORNING BECOMING LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-092200-  
PORT SANILAC TO PORT HURON MI-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH  
SCATTERED SHOWERS AND A CHANCE OF THUNDERSTORMS LATE IN THE  
MORNING, THEN PARTLY CLOUDY WITH THUNDERSTORMS LIKELY AND  
NUMEROUS SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH IN  
THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. NUMEROUS SHOWERS  
AND SCATTERED THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF  
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY  
MORNING BECOMING LIGHT AND VARIABLE. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-092200-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
1000 AM EDT WED JUL 9 2025  
   
REST OF TODAY
 
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A  
SLIGHT CHANCE OF THUNDERSTORMS AND ISOLATED SHOWERS LATE IN THE  
MORNING, THEN SCATTERED SHOWERS AND A CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTHWEST  
AFTER MIDNIGHT. PARTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH  
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST 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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