373  
FZUS53 KDTX 081939  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
339 PM EDT WED OCT 8 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.  
 
LHZ422-090345-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
339 PM EDT WED OCT 8 2025  
   
TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
THURSDAY  
NORTH WINDS 5 TO 10 KNOTS EARLY IN THE MORNING  
BECOMING LIGHT AND VARIABLE, THEN BECOMING SOUTHEAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY BECOMING  
MOSTLY SUNNY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING  
PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-090345-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
339 PM EDT WED OCT 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING  
 
   
TONIGHT  
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 3 TO 5 FEET  
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.    
THURSDAY  
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST IN  
THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY UNTIL LATE  
AFTERNOON, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS EARLY IN  
THE AFTERNOON. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-090345-  
PORT AUSTIN TO HARBOR BEACH MI-  
339 PM EDT WED OCT 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING  
 
   
TONIGHT  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET  
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST IN  
THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY UNTIL LATE  
AFTERNOON THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY BECOMING  
MOSTLY SUNNY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING  
PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE AFTERNOON. WAVES  
1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ442-090345-  
HARBOR BEACH TO PORT SANILAC MI-  
339 PM EDT WED OCT 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING  
 
   
TONIGHT  
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO  
3 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY BECOMING  
PARTLY CLOUDY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING  
SUNNY. WAVES 1 TO 3 FEET.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ443-090345-  
PORT SANILAC TO PORT HURON MI-  
339 PM EDT WED OCT 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING  
 
   
TONIGHT  
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING  
NORTHEAST 5 TO 10 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.  
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.  
WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-090345-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
339 PM EDT WED OCT 8 2025  
   
TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES  
1 TO 3 FEET.    
THURSDAY  
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTH  
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 68 DEGREES.  
 
 
 
KDK  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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