763  
FZUS53 KDTX 271351  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
951 AM EDT MON JUL 27 2026  
 
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.  
 
LHZ422-272200-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO  
10 TO 15 KNOTS EARLY IN THE AFTERNOON, THEN DIMINISHING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY. A CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING, THEN SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES  
2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTH IN  
THE LATE EVENING AND EARLY MORNING, THEN INCREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING  
BECOMING PARTLY CLOUDY. SHOWERS LIKELY EARLY IN THE EVENING.  
SCATTERED THUNDERSTORMS UNTIL EARLY MORNING. SCATTERED SHOWERS IN  
THE LATE EVENING AND OVERNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
NORTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY UNTIL LATE  
AFTERNOON BECOMING MOSTLY SUNNY. ISOLATED SHOWERS UNTIL LATE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TUESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25  
KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN DIMINISHING TO 15  
TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-272200-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.   
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH IN  
THE LATE EVENING AND EARLY MORNING, THEN INCREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY UNTIL EARLY MORNING  
BECOMING PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING.  
ISOLATED SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY BECOMING PARTLY  
CLOUDY IN THE LATE MORNING AND EARLY AFTERNOON BECOMING MOSTLY SUNNY.  
ISOLATED SHOWERS EARLY IN THE MORNING. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 6 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.   
TUESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-272200-  
PORT AUSTIN TO HARBOR BEACH MI-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTHWEST  
IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING NORTH 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY UNTIL EARLY MORNING  
BECOMING PARTLY CLOUDY. NUMEROUS SHOWERS AND THUNDERSTORMS UNTIL  
EARLY MORNING, THEN SCATTERED SHOWERS AFTER MIDNIGHT. WAVES  
2 FEET OR LESS.    
TUESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH SCATTERED  
SHOWERS EARLY IN THE MORNING, THEN PARTLY CLOUDY IN THE LATE MORNING  
AND AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET. A  
SMALL CRAFT ADVISORY MAY BE NEEDED.   
TUESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.  
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-272200-  
HARBOR BEACH TO PORT SANILAC MI-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY UNTIL  
EARLY MORNING BECOMING PARTLY CLOUDY. SHOWERS LIKELY AND NUMEROUS  
THUNDERSTORMS UNTIL EARLY MORNING, THEN SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS  
EARLY IN THE AFTERNOON. PARTLY CLOUDY BECOMING MOSTLY CLOUDY IN THE  
LATE MORNING AND EARLY AFTERNOON BECOMING PARTLY CLOUDY. SCATTERED  
SHOWERS EARLY IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6  
FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY AROUND 8  
FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.   
TUESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. PARTLY CLOUDY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-272200-  
PORT SANILAC TO PORT HURON MI-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY LATE  
IN THE MORNING BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE MORNING, THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND NUMEROUS  
THUNDERSTORMS UNTIL EARLY MORNING, THEN SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
NORTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS  
EARLY IN THE AFTERNOON. PARTLY CLOUDY WITH SCATTERED SHOWERS EARLY IN  
THE MORNING, THEN MOSTLY CLOUDY IN THE LATE MORNING AND AFTERNOON.  
WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET IN THE LATE MORNING AND  
AFTERNOON. WAVES OCCASIONALLY AROUND 8 FEET. A SMALL CRAFT ADVISORY  
MAY BE NEEDED.   
TUESDAY NIGHT
 
NORTH WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS  
EARLY IN THE EVENING THEN GUSTS TO 30 KNOTS AFTER MIDNIGHT.  
PARTLY CLOUDY. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND  
10 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-272200-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
951 AM EDT MON JUL 27 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO  
10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY WITH A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY BECOMING  
MOSTLY CLOUDY IN THE LATE EVENING AND EARLY MORNING BECOMING  
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS UNTIL  
EARLY MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 1 TO 3 FEET.    
TUESDAY
 
NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY UNTIL LATE  
AFTERNOON BECOMING MOSTLY SUNNY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS EARLY IN THE MORNING. WAVES 2 FEET OR LESS.    
TUESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES  
1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 76 DEGREES.  
 

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