661  
FZUS53 KDTX 281945  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
345 PM EDT MON APR 28 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.  
 
LHZ422-290345-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING  
THROUGH TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS TO 25 KNOTS.  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 2 TO 4 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS. WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND EARLY  
AFTERNOON, THEN BECOMING WEST TO 30 KNOTS WITH SPORATIC GUSTS TO  
35 KNOT GALES EARLY IN THE AFTERNOON. PARTLY CLOUDY. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
TUESDAY NIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS BECOMING NORTH 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 3 TO  
5 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND  
OVERNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY  
NORTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING  
BECOMING MOSTLY SUNNY. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-290345-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING  
THROUGH TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS EARLY IN  
THE MORNING. PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET  
BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES  
OCCASIONALLY AROUND 7 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS. SPORADIC GUSTS TO 35 KNOT GALES. PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.    
TUESDAY NIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS BECOMING NORTH 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.    
WEDNESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING  
EAST 10 TO 15 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY SUNNY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-290345-  
PORT AUSTIN TO HARBOR BEACH MI-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING  
THROUGH TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS EARLY IN  
THE MORNING. PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING WEST 20 TO 25 KNOTS WITH SPORATIC GUSTS TO 35 KNOT GALES  
EARLY IN THE AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN PARTLY  
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.    
TUESDAY NIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO  
30 KNOTS BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY  
CLEAR. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY 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.  
 
 
 
LHZ442-290345-  
HARBOR BEACH TO PORT SANILAC MI-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT TUESDAY THROUGH  
TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN INCREASING TO 15 TO 20 KNOTS EARLY  
IN THE MORNING. PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING WEST 20 TO 25 KNOTS WITH SPORATIC GUSTS TO 35 KNOT GALES  
EARLY IN THE AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO  
5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
TUESDAY NIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO  
30 KNOTS BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY  
CLEAR. WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY 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.  
 
 
 
LHZ443-290345-  
PORT SANILAC TO PORT HURON MI-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT TUESDAY THROUGH  
TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN INCREASING TO 15 TO 20 KNOTS EARLY  
IN THE MORNING. PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS EARLY IN THE  
AFTERNOON. MOSTLY CLOUDY IN THE MORNING BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.    
TUESDAY NIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO  
30 KNOTS BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY  
CLEAR. WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY IN THE  
MORNING BECOMING MOSTLY SUNNY. WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-290345-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
345 PM EDT MON APR 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT TUESDAY THROUGH  
TUESDAY EVENING...  
   
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. A CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO  
3 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON. MOSTLY CLOUDY WITH A CHANCE  
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,  
THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. WAVES 2 TO 4 FEET.    
TUESDAY NIGHT  
WEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
1 TO 3 FEET.    
WEDNESDAY  
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE EAST  
EARLY IN THE 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 53 DEGREES.  
 
 
 
DRK  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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