765  
FZUS53 KDTX 290814  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
414 AM EDT TUE APR 29 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.  
 
LHZ422-291615-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING  
 
...GALE WARNING IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH  
THIS EVENING...  
   
TODAY  
SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 40 KNOT GALES IN THE LATE MORNING AND  
EARLY AFTERNOON, THEN VEERING TO THE WEST WITH GUSTS TO 35 KNOT  
GALES LATE IN THE AFTERNOON. PARTLY CLOUDY WITH A CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN MOSTLY SUNNY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
TONIGHT  
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.    
WEDNESDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN  
MOSTLY CLOUDY WITH LIGHT RAIN LIKELY AFTER MIDNIGHT. WAVES 2 FEET  
OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ421-291615-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING  
 
...GALE WARNING IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH  
THIS EVENING...  
   
TODAY  
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO  
25 KNOTS IN THE AFTERNOON. GUSTS TO 35 KNOT GALES. PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN  
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
8 FEET.    
TONIGHT  
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 2 TO 4 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY  
AROUND 7 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING  
EAST 10 TO 15 KNOTS EARLY IN THE AFTERNOON. PARTLY CLOUDY. WAVES  
1 TO 3 FEET.    
WEDNESDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN  
MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER MIDNIGHT. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ441-291615-  
PORT AUSTIN TO HARBOR BEACH MI-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING  
 
...GALE WARNING IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH  
THIS EVENING...  
   
TODAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO 40 KNOT GALES IN THE  
AFTERNOON. PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN MOSTLY SUNNY WITH A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO  
5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
TONIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING NORTH 10 TO 15 KNOTS. 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. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND  
AFTERNOON.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ442-291615-  
HARBOR BEACH TO PORT SANILAC MI-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING  
 
...GALE WARNING IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH  
THIS EVENING...  
   
TODAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES IN THE  
AFTERNOON. PARTLY CLOUDY. A CHANCE OF SHOWERS AND 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.    
TONIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING NORTH 10 TO 15 KNOTS. 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. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND  
AFTERNOON.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN  
MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER MIDNIGHT. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ443-291615-  
PORT SANILAC TO PORT HURON MI-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING  
 
...GALE WARNING IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH  
THIS EVENING...  
   
TODAY  
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING SOUTHWEST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES IN  
THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING BECOMING PARTLY  
CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.   
TONIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING NORTH 15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.  
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.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN  
MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER MIDNIGHT. WAVES  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LEZ444-291615-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
414 AM EDT TUE APR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING  
 
   
TODAY  
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS LATE IN THE  
AFTERNOON. MOSTLY CLOUDY IN THE MORNING BECOMING PARTLY CLOUDY. A  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.    
TONIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS  
DIMINISHING TO 10 TO 15 KNOTS IN THE LATE EVENING AND EARLY  
MORNING, THEN BECOMING NORTH 5 TO 10 KNOTS AFTER MIDNIGHT. 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.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY IN THE  
EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN AFTER  
MIDNIGHT. 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.  
 
 
 
KGK  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
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