370  
FZUS53 KDTX 121942  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
342 PM EDT WED AUG 12 2020  
 
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.  
 
LHZ422-130315-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR LESS.   
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
EAST 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.  
 

 
 
LHZ421-130315-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR LESS.   
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
EAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-130315-  
PORT AUSTIN TO HARBOR BEACH MI-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING LIGHT  
AND VARIABLE. CLEAR. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO  
3 FEET.    
FRIDAY
 
EAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-130315-  
HARBOR BEACH TO PORT SANILAC MI-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING LIGHT  
AND VARIABLE. CLEAR. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES  
1 TO 3 FEET.    
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST  
10 TO 15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-130315-  
PORT SANILAC TO PORT HURON MI-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING LIGHT  
AND VARIABLE. CLEAR. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES  
1 TO 3 FEET.    
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-130315-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
342 PM EDT WED AUG 12 2020  
   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 2 FEET OR LESS.    
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 76 DEGREES.  
 

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