180  
FZUS53 KDTX 260149  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
949 PM EDT FRI APR 25 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.  
 
LHZ422-260900-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
949 PM EDT FRI APR 25 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH  
SATURDAY EVENING...  
   
REST OF TONIGHT  
NORTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS  
EARLY IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN.  
WAVES 1 TO 3 FEET.    
SATURDAY  
NORTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS UNTIL  
LATE AFTERNOON. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT RAIN  
IN THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. WAVES 2 TO  
4 FEET.    
SATURDAY NIGHT  
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
1 TO 3 FEET.    
SUNDAY  
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING TO  
THE EAST EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-260900-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
949 PM EDT FRI APR 25 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING  
 
   
REST OF TONIGHT  
NORTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS  
EARLY IN THE MORNING. MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
SATURDAY  
NORTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS.  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT RAIN IN THE MORNING,  
THEN PARTLY CLOUDY IN THE AFTERNOON. WAVES 5 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT  
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
SUNDAY  
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING TO  
THE SOUTHEAST EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO  
3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-260900-  
PORT AUSTIN TO HARBOR BEACH MI-  
949 PM EDT FRI APR 25 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING  
 
   
REST OF TONIGHT  
NORTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS  
EARLY IN THE MORNING. CLOUDY WITH A CHANCE OF LIGHT RAIN. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
SATURDAY  
NORTHWEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS  
UNTIL LATE AFTERNOON. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT  
RAIN IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. WAVES  
5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY NIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS. CLEAR. WAVES  
4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 8 FEET.    
SUNDAY  
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND  
AFTERNOON.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ442-260900-  
HARBOR BEACH TO PORT SANILAC MI-  
949 PM EDT FRI APR 25 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH  
SATURDAY EVENING...  
   
REST OF TONIGHT  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
15 TO 20 KNOTS AFTER MIDNIGHT. CLOUDY WITH A CHANCE OF LIGHT  
RAIN. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT.  
WAVES OCCASIONALLY AROUND 7 FEET.    
SATURDAY  
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 20 TO  
25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF LIGHT RAIN IN THE MORNING, THEN PARTLY CLOUDY IN  
THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
7 FEET.    
SATURDAY NIGHT  
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES  
4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 8 FEET.    
SUNDAY  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ443-260900-  
PORT SANILAC TO PORT HURON MI-  
949 PM EDT FRI APR 25 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH  
SATURDAY EVENING...  
   
REST OF TONIGHT  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
15 TO 20 KNOTS EARLY IN THE MORNING. CLOUDY. LIGHT RAIN LIKELY  
THIS EVENING, THEN A CHANCE OF LIGHT RAIN AFTER MIDNIGHT. WAVES  
1 TO 3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.    
SATURDAY  
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 20 TO  
25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY WITH A  
SLIGHT CHANCE OF LIGHT RAIN IN THE MORNING, THEN PARTLY CLOUDY IN  
THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
8 FEET.    
SATURDAY NIGHT  
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST  
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.    
SUNDAY  
NORTH WINDS 10 TO 15 KNOTS VEERING TO THE NORTHEAST  
EARLY IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-260900-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
949 PM EDT FRI APR 25 2025  
   
REST OF TONIGHT  
WEST WINDS 5 TO 10 KNOTS VEERING TO THE  
NORTHWEST AFTER MIDNIGHT, THEN INCREASING TO 10 TO 15 KNOTS EARLY  
IN THE MORNING. MOSTLY CLOUDY. LIGHT RAIN LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS THIS EVENING, THEN A SLIGHT CHANCE OF  
LIGHT RAIN AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
SATURDAY  
NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY IN THE  
MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.    
SATURDAY NIGHT  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 2 FEET OR LESS.    
SUNDAY  
NORTH WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON BECOMING  
LIGHT AND VARIABLE. SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 54 DEGREES.  
 
 
 
CB  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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