337  
FZUS53 KDTX 191522  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
1022 AM EST THU DEC 19 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.  
 
LHZ422-192330-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
1022 AM EST THU DEC 19 2024  
   
REST OF TODAY
 
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO  
10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF FLURRIES  
LATE IN THE MORNING, THEN A CHANCE OF LIGHT SNOW IN THE  
AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
IN THE LATE EVENING AND OVERNIGHT. LIGHT SNOW. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. LIGHT SNOW. WAVES  
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND  
AFTERNOON.    
FRIDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES  
2 TO 4 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-192330-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
1022 AM EST THU DEC 19 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH  
SATURDAY EVENING...  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN  
THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 10 TO  
15 KNOTS AFTER MIDNIGHT. LIGHT SNOW. WAVES 2 FEET OR LESS.    
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS BECOMING NORTH 20 TO 25 KNOTS  
EARLY IN THE AFTERNOON. LIGHT SNOW IN THE MORNING, THEN A CHANCE  
OF LIGHT SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO  
4 TO 6 FEET EARLY IN THE AFTERNOON. WAVES OCCASIONALLY AROUND  
8 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 20 TO 25 KNOTS. PARTLY CLOUDY. A  
CHANCE OF LIGHT SNOW IN THE EVENING. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-192330-  
PORT AUSTIN TO HARBOR BEACH MI-  
1022 AM EST THU DEC 19 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH  
SATURDAY EVENING...  
   
REST OF TODAY
 
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN  
THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. LIGHT SNOW. WAVES 1 TO 3 FEET.    
FRIDAY
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. LIGHT SNOW IN THE  
MORNING, THEN A CHANCE OF LIGHT SNOW IN THE AFTERNOON. WAVES 2 TO  
4 FEET BUILDING TO 4 TO 6 FEET EARLY IN THE AFTERNOON. WAVES  
OCCASIONALLY AROUND 8 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
20 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY  
WITH A CHANCE OF LIGHT SNOW. WAVES 5 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-192330-  
HARBOR BEACH TO PORT SANILAC MI-  
1022 AM EST THU DEC 19 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH  
SATURDAY EVENING...  
   
REST OF TODAY
 
NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE  
NORTHEAST EARLY IN THE AFTERNOON, THEN VEERING TO THE SOUTHEAST  
LATE IN THE AFTERNOON. MOSTLY CLOUDY. A SLIGHT CHANCE OF LIGHT  
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 15 TO  
20 KNOTS. A CHANCE OF LIGHT SNOW IN THE EVENING, THEN LIGHT SNOW  
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER  
MIDNIGHT.    
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS BACKING TO THE NORTHEAST  
EARLY IN THE AFTERNOON. LIGHT SNOW. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A  
CHANCE OF LIGHT SNOW IN THE EVENING, THEN LIGHT SNOW LIKELY AFTER  
MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-192330-  
PORT SANILAC TO PORT HURON MI-  
1022 AM EST THU DEC 19 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH  
SATURDAY EVENING...  
   
REST OF TODAY
 
NORTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE  
SOUTHEAST LATE IN THE AFTERNOON. MOSTLY CLOUDY. A SLIGHT CHANCE  
OF LIGHT SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST 15 TO  
20 KNOTS. LIGHT SNOW LIKELY IN THE EVENING, THEN LIGHT SNOW AFTER  
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER  
MIDNIGHT.    
FRIDAY
 
EAST WINDS 15 TO 20 KNOTS BACKING TO THE NORTHEAST  
EARLY IN THE AFTERNOON. LIGHT SNOW. WAVES 2 TO 4 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
20 TO 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING  
BECOMING PARTLY CLOUDY. A CHANCE OF LIGHT SNOW. WAVES 4 TO  
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-192330-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
1022 AM EST THU DEC 19 2024  
   
REST OF TODAY
 
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. A CHANCE OF FLURRIES  
LATE IN THE MORNING. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF  
LIGHT SNOW IN THE EVENING, THEN LIGHT SNOW LIKELY AFTER MIDNIGHT.  
WAVES 2 FEET OR LESS.    
FRIDAY
 
EAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. CLOUDY. LIGHT SNOW  
LIKELY IN THE MORNING, THEN A CHANCE OF LIGHT SNOW IN THE  
AFTERNOON. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES  
1 TO 3 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 38 DEGREES.  
 

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