954  
FZUS53 KDTX 301325  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
925 AM EDT MON MAR 30 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.  
 
LHZ422-302130-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN BACKING TO THE EAST  
LATE IN THE AFTERNOON. PARTLY CLOUDY LATE IN THE MORNING BECOMING  
MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A  
SLIGHT CHANCE OF LIGHT RAIN IN THE LATE EVENING AND EARLY  
MORNING. A CHANCE OF LIGHT RAIN AND THUNDERSTORMS AFTER MIDNIGHT.  
WAVES 2 FEET OR LESS.    
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTHWEST 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS EARLY IN THE AFTERNOON. LIGHT RAIN  
LIKELY AND A CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON, THEN RAIN  
AND A CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 TO 3  
FEET BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.   
TUESDAY NIGHT
 
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING NORTHWEST 15 TO 20 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. RAIN AND A CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING, THEN A CHANCE OF LIGHT RAIN IN THE LATE EVENING AND  
EARLY MORNING. WAVES 2 TO 4 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-302130-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN BACKING TO THE EAST  
LATE IN THE AFTERNOON. PARTLY CLOUDY LATE IN THE MORNING BECOMING  
MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A  
SLIGHT CHANCE OF LIGHT RAIN IN THE LATE EVENING AND EARLY  
MORNING. LIGHT RAIN LIKELY AND A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO  
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BACKING TO  
THE SOUTHWEST EARLY IN THE AFTERNOON. RAIN LIKELY AND A CHANCE OF  
THUNDERSTORMS UNTIL LATE AFTERNOON, THEN RAIN AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING  
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
TUESDAY NIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS. RAIN AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN A CHANCE OF LIGHT RAIN IN  
THE LATE EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-302130-  
PORT AUSTIN TO HARBOR BEACH MI-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST  
5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN VEERING TO THE  
NORTHEAST LATE IN THE AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR  
LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE  
EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT RAIN IN THE  
LATE EVENING AND EARLY MORNING. MOSTLY CLOUDY WITH A CHANCE OF  
LIGHT RAIN AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR  
LESS.    
TUESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH 10 TO  
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING  
SOUTHWEST 15 TO 20 KNOTS EARLY IN THE AFTERNOON. RAIN LIKELY AND  
A CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON, THEN RAIN AND A  
CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON.    
TUESDAY NIGHT
 
WEST WINDS 15 TO 20 KNOTS VEERING TO THE NORTHWEST  
AFTER MIDNIGHT. RAIN AND A CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING, THEN A CHANCE OF LIGHT RAIN IN THE LATE EVENING AND EARLY  
MORNING. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET. A SMALL  
CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-302130-  
HARBOR BEACH TO PORT SANILAC MI-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN BACKING TO THE EAST  
LATE IN THE AFTERNOON. PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY EARLY IN THE  
EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT RAIN IN  
THE LATE EVENING AND EARLY MORNING. MOSTLY CLOUDY WITH A CHANCE  
OF LIGHT RAIN AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR  
LESS.    
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. LIGHT RAIN LIKELY AND A CHANCE  
OF THUNDERSTORMS UNTIL LATE AFTERNOON, THEN RAIN AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS VEERING TO THE  
NORTHWEST IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. A CHANCE  
OF THUNDERSTORMS EARLY IN THE EVENING. LIGHT RAIN LIKELY UNTIL EARLY  
MORNING. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT.  
WAVES OCCASIONALLY AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE  
NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-302130-  
PORT SANILAC TO PORT HURON MI-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY LATE IN THE MORNING  
BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTHEAST  
IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A SLIGHT CHANCE OF LIGHT  
RAIN EARLY IN THE EVENING, THEN A CHANCE OF LIGHT RAIN IN THE  
LATE EVENING AND OVERNIGHT. A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.    
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. A CHANCE OF  
THUNDERSTORMS EARLY IN THE MORNING. LIGHT RAIN LIKELY UNTIL LATE  
AFTERNOON, THEN RAIN AND A CHANCE OF THUNDERSTORMS EARLY IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS VEERING TO THE  
NORTHWEST IN THE LATE EVENING AND OVERNIGHT. RAIN IN THE EVENING. A  
CHANCE OF THUNDERSTORMS. LIGHT RAIN LIKELY AFTER MIDNIGHT. WAVES 2 TO  
4 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY  
AROUND 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-302130-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
925 AM EDT MON MAR 30 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A  
SLIGHT CHANCE OF LIGHT RAIN AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 1 TO 3 FEET.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING  
BECOMING PARTLY CLOUDY. LIGHT RAIN LIKELY IN THE EVENING. A  
CHANCE OF THUNDERSTORMS. A CHANCE OF LIGHT RAIN AFTER MIDNIGHT.  
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.    
TUESDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A  
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF LIGHT  
RAIN UNTIL LATE AFTERNOON, THEN LIGHT RAIN LIKELY AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 2 TO 4 FEET.    
TUESDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS VEERING TO THE  
NORTHWEST AFTER MIDNIGHT. RAIN AND A CHANCE OF THUNDERSTORMS  
UNTIL EARLY MORNING, THEN LIGHT RAIN LIKELY AFTER MIDNIGHT. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND  
OVERNIGHT.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 39 DEGREES.  
 

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