951  
FZUS53 KDTX 151343  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
943 AM EDT WED OCT 15 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.  
 
LHZ422-152145-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
5 TO 10 KNOTS IN THE AFTERNOON. PARTLY CLOUDY LATE IN THE MORNING  
BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH  
AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON  
BECOMING LIGHT AND VARIABLE. SUNNY. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTH AFTER MIDNIGHT. MOSTLY CLEAR. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-152145-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO 10 TO  
15 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY LATE IN THE MORNING  
THEN CLEARING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE  
AFTERNOON.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO 3 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR  
LESS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTH AFTER MIDNIGHT. MOSTLY CLEAR. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-152145-  
PORT AUSTIN TO HARBOR BEACH MI-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY LATE  
IN THE MORNING THEN CLEARING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
3 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO 3 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 3 FEET.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE  
EVENING BECOMING LIGHT AND VARIABLE, THEN BECOMING SOUTH 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-152145-  
HARBOR BEACH TO PORT SANILAC MI-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY LATE  
IN THE MORNING THEN CLEARING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
3 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO 3 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 3 FEET.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTH AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-152145-  
PORT SANILAC TO PORT HURON MI-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY LATE  
IN THE MORNING THEN CLEARING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
3 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO 3 FEET.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-152145-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
943 AM EDT WED OCT 15 2025  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY LATE IN  
THE MORNING BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES 2 FEET OR  
LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON  
BECOMING LIGHT AND VARIABLE. SUNNY. WAVES 2 FEET OR LESS.    
THURSDAY NIGHT
 
LIGHT AND VARIABLE WINDS. CLEAR. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 63 DEGREES.  
 

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