902  
FZUS53 KDTX 210230  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
930 PM 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.  
 
LHZ422-211030-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
930 PM EST FRI DEC 20 2024  
   
REST OF TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY.  
WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING  
THEN CLEARING. 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.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-211030-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
930 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 20 TO 25 KNOTS. PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SNOW SHOWERS. 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. PARTLY CLOUDY. WAVES 5 TO  
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-211030-  
PORT AUSTIN TO HARBOR BEACH MI-  
930 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 20 TO 25 KNOTS. SNOW SHOWERS.  
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 CHANCE OF SNOW  
SHOWERS AND A SLIGHT CHANCE OF FREEZING RAIN IN THE MORNING, THEN  
A SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON. 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. A SLIGHT CHANCE OF SNOW SHOWERS IN  
THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER  
MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-211030-  
HARBOR BEACH TO PORT SANILAC MI-  
930 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. SNOW  
SHOWERS. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING NORTH 15 TO 20 KNOTS EARLY IN THE AFTERNOON. MOSTLY  
CLOUDY. A CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE OF FREEZING  
RAIN IN THE MORNING, THEN A CHANCE OF SNOW SHOWERS 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. PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER  
MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING THEN CLEARING. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-211030-  
PORT SANILAC TO PORT HURON MI-  
930 PM EST FRI DEC 20 2024  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
20 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES 4 TO 6 FEET.  
WAVES OCCASIONALLY AROUND 8 FEET.    
SATURDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
DIMINISHING TO 15 TO 20 KNOTS EARLY IN THE AFTERNOON. PARTLY  
CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE MORNING, THEN MOSTLY  
CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON.  
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 WITH A CHANCE OF LIGHT SNOW. WAVES  
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 7 FEET.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-211030-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
930 PM EST FRI DEC 20 2024  
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY WITH  
A SLIGHT CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
SATURDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
SUNDAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 KNOTS  
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 36 DEGREES.  
 

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