306  
FZUS53 KDTX 090757  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
357 AM EDT THU OCT 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.  
 
LHZ422-091600-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
NORTH WINDS 5 TO 10 KNOTS EARLY IN THE MORNING BECOMING  
LIGHT AND VARIABLE, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS 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. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON. PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY  
IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST  
10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS EARLY IN THE  
EVENING, THEN SHOWERS IN THE LATE EVENING AND EARLY MORNING.  
LIGHT SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-091600-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING THEN CLEARING.  
WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. A CHANCE OF  
SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS EARLY IN THE  
EVENING, THEN SHOWERS IN THE LATE EVENING AND EARLY MORNING.  
LIGHT SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-091600-  
PORT AUSTIN TO HARBOR BEACH MI-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST IN THE  
AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON. PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY  
IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. LIGHT SHOWERS UNTIL EARLY MORNING, THEN  
SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ442-091600-  
HARBOR BEACH TO PORT SANILAC MI-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST IN THE  
AFTERNOON. PARTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES  
2 FEET OR LESS.    
TONIGHT  
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 INCREASING TO 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE AFTERNOON  
BECOMING MOSTLY SUNNY. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH SHOWERS LIKELY. WAVES  
1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ443-091600-  
PORT SANILAC TO PORT HURON MI-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 2 FEET OR LESS.    
TONIGHT  
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 2 FEET  
OR LESS.    
FRIDAY  
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 15 TO 20 KNOTS.  
PARTLY CLOUDY EARLY IN THE MORNING BECOMING MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY WITH  
SHOWERS LIKELY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-091600-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
357 AM EDT THU OCT 9 2025  
   
TODAY  
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO  
10 KNOTS IN THE AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT  
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.    
FRIDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 67 DEGREES.  
 
 
 
MV  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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