384  
FZUS53 KDTX 200844  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
344 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.  
 
LHZ422-201700-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
344 AM EST FRI DEC 20 2024  
   
TODAY  
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON. LIGHT SNOW 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.  
 
 
 
LHZ421-201700-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
344 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING  
THROUGH SATURDAY EVENING...  
   
TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING NORTH 20 TO  
25 KNOTS LATE IN THE AFTERNOON. LIGHT SNOW IN THE MORNING, THEN  
LIGHT SNOW LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO  
5 TO 7 FEET IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 10 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.  
 
 
 
LHZ441-201700-  
PORT AUSTIN TO HARBOR BEACH MI-  
344 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING  
THROUGH SATURDAY EVENING...  
   
TODAY  
EAST WINDS 15 TO 20 KNOTS BACKING TO THE NORTH LATE IN  
THE AFTERNOON. CLOUDY WITH LIGHT SNOW LIKELY. WAVES 3 TO 5 FEET  
BUILDING TO 4 TO 6 FEET LATE IN THE AFTERNOON. 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. 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.  
 
 
 
LHZ442-201700-  
HARBOR BEACH TO PORT SANILAC MI-  
344 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING  
THROUGH SATURDAY EVENING...  
   
TODAY  
EAST WINDS 15 TO 20 KNOTS BACKING TO THE NORTHEAST LATE  
IN THE AFTERNOON. LIGHT SNOW IN THE MORNING, THEN LIGHT SNOW  
LIKELY IN THE AFTERNOON. 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 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.  
 
 
 
LHZ443-201700-  
PORT SANILAC TO PORT HURON MI-  
344 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EST THIS MORNING  
THROUGH SATURDAY EVENING...  
   
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 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.  
 
 
 
LEZ444-201700-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
344 AM EST FRI DEC 20 2024  
   
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 38 DEGREES.  
 
 
 
TF  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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