821  
FZUS53 KDTX 220835  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
335 AM EST SAT FEB 22 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.  
 
LHZ422-221645-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND EARLY  
AFTERNOON, THEN DIMINISHING TO 15 TO 20 KNOTS WITH GUSTS TO  
30 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-221645-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS. PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-221645-  
PORT AUSTIN TO HARBOR BEACH MI-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS IN THE  
LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE MORNING BECOMING  
MOSTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-221645-  
HARBOR BEACH TO PORT SANILAC MI-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY IN THE  
EVENING BECOMING MOSTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-221645-  
PORT SANILAC TO PORT HURON MI-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING BECOMING  
MOSTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-221645-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
335 AM EST SAT FEB 22 2025  
   
TODAY
 
SOUTHWEST WINDS 10 TO 20 KNOTS. MOSTLY SUNNY IN THE  
MORNING BECOMING PARTLY CLOUDY.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY CLOUDY.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.  
 
WAVES OMITTED DUE TO ICE COVERAGE.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 32 DEGREES.  
 

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