114  
FZUS53 KDTX 201444  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
944 AM EST FRI DEC 20 2024  
 
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.  
 
LHZ422-202245-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
944 AM EST FRI DEC 20 2024  
   
REST OF TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
15 TO 20 KNOTS IN THE AFTERNOON. LIGHT SNOW LATE IN THE MORNING,  
THEN SNOW LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO  
2 TO 4 FEET IN THE AFTERNOON.    
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLEAR. SNOW LIKELY  
IN THE EVENING. WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.   
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-202245-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
944 AM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TODAY
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING NORTH  
20 TO 25 KNOTS LATE IN THE AFTERNOON. LIGHT SNOW LATE IN THE  
MORNING, THEN LIGHT SNOW LIKELY IN THE AFTERNOON. WAVES 4 TO  
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.    
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. A  
SLIGHT CHANCE OF LIGHT SNOW IN THE EVENING. WAVES 5 TO 7 FEET.  
WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY
 
NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 5 TO 7 FEET.  
WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
3 FEET AFTER MIDNIGHT.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-202245-  
PORT AUSTIN TO HARBOR BEACH MI-  
944 AM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TODAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. CLOUDY WITH  
LIGHT SNOW LIKELY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
8 FEET.    
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY WITH  
LIGHT SNOW LIKELY IN THE EVENING, THEN PARTLY CLOUDY WITH A  
CHANCE OF LIGHT SNOW AFTER MIDNIGHT. WAVES 5 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.    
SATURDAY
 
NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY. A SLIGHT CHANCE  
OF LIGHT FREEZING RAIN AND SNOW IN THE MORNING. WAVES 5 TO  
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO  
3 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-202245-  
HARBOR BEACH TO PORT SANILAC MI-  
944 AM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TODAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. CLOUDY WITH  
LIGHT SNOW LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND  
7 FEET.    
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING BECOMING  
PARTLY CLOUDY. LIGHT SNOW LIKELY. WAVES 5 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.    
SATURDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS BECOMING NORTH 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY WITH A  
CHANCE OF LIGHT SNOW AND A SLIGHT CHANCE OF LIGHT FREEZING RAIN  
IN THE MORNING, THEN MOSTLY CLOUDY IN THE AFTERNOON. WAVES 5 TO  
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO  
5 TO 10 KNOTS. MOSTLY CLOUDY WITH A CHANCE OF LIGHT SNOW. WAVES  
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-202245-  
PORT SANILAC TO PORT HURON MI-  
944 AM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TODAY
 
EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO 15 TO  
20 KNOTS LATE IN THE AFTERNOON. LIGHT SNOW LATE IN THE MORNING,  
THEN LIGHT SNOW LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FEET.    
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING BECOMING  
PARTLY CLOUDY. SNOW LIKELY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET.    
SATURDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. A  
CHANCE OF LIGHT SNOW IN THE MORNING. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
SATURDAY NIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST  
5 TO 10 KNOTS. PARTLY CLOUDY IN THE EVENING BECOMING MOSTLY  
CLOUDY. A CHANCE OF LIGHT SNOW. WAVES 3 TO 5 FEET SUBSIDING TO  
1 TO 3 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-202245-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
944 AM EST FRI DEC 20 2024  
   
REST OF TODAY
 
EAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO  
15 KNOTS IN THE AFTERNOON. CLOUDY WITH A CHANCE OF LIGHT SNOW AND  
A SLIGHT CHANCE OF LIGHT RAIN. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING  
NORTHWEST 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A  
CHANCE OF LIGHT SNOW IN THE EVENING, THEN MOSTLY CLEAR AFTER  
MIDNIGHT. WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING LIGHT AND  
VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 37 DEGREES.  
 

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