826  
FZUS53 KDTX 080146  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
946 PM EDT TUE OCT 7 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.  
 
LHZ422-081000-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
946 PM EDT TUE OCT 7 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
 
 
   
REST OF TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH  
20 TO 25 KNOTS AFTER MIDNIGHT, THEN DIMINISHING TO 15 TO 20 KNOTS  
EARLY IN THE MORNING. CLEAR. WAVES 1 TO 3 FEET BUILDING TO 2 TO  
4 FEET AFTER MIDNIGHT.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH  
5 TO 10 KNOTS AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.    
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN  
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-081000-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
946 PM EDT TUE OCT 7 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS AFTER MIDNIGHT. CLEAR. WAVES 2 TO 4 FEET BUILDING TO  
5 TO 7 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. SUNNY. WAVES 4 TO  
6 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO  
10 KNOTS. CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER  
MIDNIGHT.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE SOUTH EARLY  
IN THE AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-081000-  
PORT AUSTIN TO HARBOR BEACH MI-  
946 PM EDT TUE OCT 7 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS AFTER MIDNIGHT. CLEAR. WAVES 3 TO 5 FEET BUILDING TO  
6 TO 9 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY UNTIL LATE  
AFTERNOON THEN CLEARING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY  
AROUND 10 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST  
5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO  
3 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST  
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-081000-  
HARBOR BEACH TO PORT SANILAC MI-  
946 PM EDT TUE OCT 7 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH  
20 TO 25 KNOTS AFTER MIDNIGHT, THEN DIMINISHING TO 15 TO 20 KNOTS  
EARLY IN THE MORNING. CLEAR. WAVES 2 TO 4 FEET BUILDING TO 5 TO  
7 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY SUNNY BECOMING  
PARTLY CLOUDY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING  
MOSTLY SUNNY. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND  
10 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE  
MORNING THEN CLEARING. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-081000-  
PORT SANILAC TO PORT HURON MI-  
946 PM EDT TUE OCT 7 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH  
15 TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET.  
WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES 4 TO  
6 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET.  
WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE  
MORNING THEN CLEARING. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-081000-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
946 PM EDT TUE OCT 7 2025  
   
REST OF TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY THIS EVENING THEN  
CLEARING. A SLIGHT CHANCE OF SHOWERS THIS EVENING. WAVES 1 TO  
3 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. CLEAR. WAVES  
1 TO 3 FEET.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 69 DEGREES.  
 

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