491  
FZUS53 KDTX 131445  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
945 AM EST THU NOV 13 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.  
 
LHZ422-132300-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO  
3 FEET.    
FRIDAY  
WEST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING BECOMING  
LIGHT AND VARIABLE, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS EARLY  
IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE MORNING THEN  
CLEARING. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-132300-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES  
2 TO 4 FEET.    
TONIGHT  
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND  
OVERNIGHT.    
FRIDAY  
NORTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHWEST  
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BACKING TO THE  
SOUTHEAST EARLY IN THE AFTERNOON. PARTLY CLOUDY EARLY IN THE  
MORNING BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-132300-  
PORT AUSTIN TO HARBOR BEACH MI-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES  
2 TO 4 FEET.   
TONIGHT  
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.    
FRIDAY  
NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE EAST EARLY  
IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE AFTERNOON THEN  
CLEARING. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ442-132300-  
HARBOR BEACH TO PORT SANILAC MI-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES  
2 TO 4 FEET.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO  
3 FEET.    
FRIDAY  
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO  
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING TO  
THE EAST EARLY IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE  
AFTERNOON THEN CLEARING. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS. PARTLY CLOUDY UNTIL EARLY MORNING BECOMING MOSTLY  
CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ443-132300-  
PORT SANILAC TO PORT HURON MI-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 1 TO  
3 FEET.    
FRIDAY  
WEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BACKING TO THE  
SOUTHEAST EARLY IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE  
AFTERNOON THEN CLEARING. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-132300-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
945 AM EST THU NOV 13 2025  
   
REST OF TODAY  
WEST WINDS 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET  
OR LESS.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
FRIDAY  
SOUTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHEAST  
EARLY IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE AFTERNOON THEN  
CLEARING. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 FEET OR  
LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 42 DEGREES.  
 
 
 
TF  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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