087  
FZUS53 KDTX 310848  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
448 AM EDT TUE MAR 31 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.  
 
LHZ422-311700-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
448 AM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  
THURSDAY EVENING...  
   
TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. RAIN  
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS EARLY IN THE AFTERNOON. MOSTLY  
CLOUDY UNTIL LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 2 TO  
4 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS. PARTLY CLOUDY EARLY IN THE EVENING BECOMING MOSTLY  
CLOUDY. A CHANCE OF RAIN AND FREEZING RAIN UNTIL EARLY MORNING.  
RAIN LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-311700-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
448 AM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
THURSDAY EVENING...  
   
TODAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. RAIN  
SHOWERS LIKELY EARLY IN THE EVENING. WAVES 2 TO 4 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 8 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS. PARTLY CLOUDY UNTIL EARLY MORNING, THEN MOSTLY CLOUDY  
WITH RAIN LIKELY AFTER MIDNIGHT. WAVES 5 TO 7 FEET. WAVES  
OCCASIONALLY AROUND 10 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-311700-  
PORT AUSTIN TO HARBOR BEACH MI-  
448 AM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
THURSDAY EVENING...  
   
TODAY
 
NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
LATE IN THE AFTERNOON. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. RAIN  
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET IN THE LATE  
EVENING AND OVERNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 6 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY  
UNTIL EARLY MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF RAIN  
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
8 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-311700-  
HARBOR BEACH TO PORT SANILAC MI-  
448 AM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
THURSDAY EVENING...  
   
TODAY
 
WEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHWEST IN  
THE LATE MORNING AND AFTERNOON. RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER  
MIDNIGHT. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY UNTIL LATE  
AFTERNOON BECOMING PARTLY CLOUDY. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 8 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY  
EARLY IN THE EVENING BECOMING MOSTLY CLOUDY. A CHANCE OF LIGHT  
RAIN AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND  
7 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-311700-  
PORT SANILAC TO PORT HURON MI-  
448 AM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
THURSDAY EVENING...  
   
TODAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 15 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN A SLIGHT  
CHANCE OF LIGHT RAIN IN THE LATE EVENING AND EARLY MORNING. WAVES  
1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES  
OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY.  
A CHANCE OF LIGHT RAIN UNTIL EARLY MORNING, THEN LIGHT RAIN  
LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET.  
 
SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TO CONTINUE BEYOND  
THE FORECAST PERIOD. PLEASE REFER TO THE OPEN LAKES FORECAST FOR  
MORE INFORMATION.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-311700-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
448 AM EDT TUE MAR 31 2026  
   
TODAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND A  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.    
TONIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO  
15 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN VEERING TO  
THE NORTH AFTER MIDNIGHT. RAIN SHOWERS IN THE EVENING. A CHANCE  
OF THUNDERSTORMS. RAIN LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. RAIN  
LIKELY UNTIL LATE AFTERNOON, THEN A CHANCE OF LIGHT RAIN EARLY IN  
THE AFTERNOON. WAVES 1 TO 3 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.  
A CHANCE OF LIGHT RAIN UNTIL EARLY MORNING, THEN LIGHT RAIN  
LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 41 DEGREES.  
 

 
 
BT  
 
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE  
A WWW.WEATHER.GOV/GREATLAKES  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page Main Text Page