014  
FZUS53 KDTX 170140  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
940 PM EDT WED SEP 16 2026  
 
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.  
 
LHZ422-170945-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY UNTIL  
LATE AFTERNOON THEN CLEARING. A SLIGHT CHANCE OF SHOWERS UNTIL  
LATE AFTERNOON. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH  
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-170945-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY THIS EVENING BECOMING  
MOSTLY CLOUDY. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY UNTIL  
LATE AFTERNOON THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH  
IN THE LATE EVENING AND EARLY MORNING, THEN INCREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-170945-  
PORT AUSTIN TO HARBOR BEACH MI-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY UNTIL  
LATE AFTERNOON THEN CLEARING. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY UNTIL  
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET EARLY IN THE AFTERNOON.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-170945-  
HARBOR BEACH TO PORT SANILAC MI-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 2 FEET OR  
LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY BECOMING PARTLY  
CLOUDY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING MOSTLY  
SUNNY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING. WAVES  
2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN INCREASING  
TO 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-170945-  
PORT SANILAC TO PORT HURON MI-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A SLIGHT CHANCE  
OF SHOWERS. WAVES 1 TO 3 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY EARLY  
IN THE MORNING BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. A  
SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. WAVES 1 TO 3 FEET.   
FRIDAY
 
NORTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-170945-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
940 PM EDT WED SEP 16 2026  
   
REST OF TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. CLOUDY WITH A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
2 FEET OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
MORNING, THEN A CHANCE OF SHOWERS IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO  
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY UNTIL EARLY MORNING  
BECOMING PARTLY CLOUDY. A CHANCE OF SHOWERS EARLY IN THE EVENING.  
WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 70 DEGREES.  
 

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