347  
FZUS53 KDTX 010158  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
958 PM 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.  
 
LHZ422-011000-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
958 PM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT WEDNESDAY THROUGH  
THURSDAY EVENING...  
   
REST OF TONIGHT
 
NORTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 20 TO  
25 KNOTS. MOSTLY CLOUDY UNTIL LATE AFTERNOON BECOMING PARTLY  
CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 20 TO 25 KNOTS BECOMING EAST  
15 TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS LIKELY AFTER MIDNIGHT. WAVES 2 TO  
4 FEET.    
THURSDAY
 
EAST WINDS 15 TO 20 KNOTS. LIGHT SHOWERS UNTIL LATE  
AFTERNOON, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS EARLY IN  
THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY  
IN THE AFTERNOON.  
 
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.  
 

 
 
LHZ421-011000-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
958 PM EDT TUE MAR 31 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO  
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 2 TO 4 FEET.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 20 TO 25 KNOTS BECOMING EAST  
15 TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND LIGHT SLEET LIKELY AFTER  
MIDNIGHT. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.    
THURSDAY
 
EAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN  
DIMINISHING TO 15 TO 20 KNOTS EARLY IN THE AFTERNOON. LIGHT  
SHOWERS UNTIL LATE AFTERNOON, THEN SHOWERS LIKELY EARLY IN THE  
AFTERNOON. WAVES 4 TO 6 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.  
 

 
 
LHZ441-011000-  
PORT AUSTIN TO HARBOR BEACH MI-  
958 PM EDT TUE MAR 31 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
 
 
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN INCREASING  
TO 15 TO 20 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY UNTIL  
LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY  
UNTIL EARLY MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT  
RAIN AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES 4 TO 6 FEET.  
WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
EAST WINDS 15 TO 20 KNOTS. LIGHT SHOWERS UNTIL LATE  
AFTERNOON, THEN SHOWERS LIKELY EARLY IN THE AFTERNOON. 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.  
 

 
 
LHZ442-011000-  
HARBOR BEACH TO PORT SANILAC MI-  
958 PM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT WEDNESDAY THROUGH  
THURSDAY EVENING...  
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A  
SLIGHT CHANCE OF SHOWERS THIS EVENING. WAVES 2 TO 4 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 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST  
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY MORNING,  
THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES  
4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.    
THURSDAY
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS EARLY IN THE  
MORNING, THEN SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON. A  
CHANCE OF SHOWERS EARLY IN THE AFTERNOON. WAVES 2 TO 4 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.  
 

 
 
LHZ443-011000-  
PORT SANILAC TO PORT HURON MI-  
958 PM EDT TUE MAR 31 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT WEDNESDAY THROUGH  
THURSDAY EVENING...  
   
REST OF TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. A  
CHANCE OF SHOWERS THIS EVENING. WAVES 2 TO 4 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST  
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY MORNING,  
THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES  
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY. LIGHT SHOWERS  
LIKELY UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS EARLY IN  
THE AFTERNOON. WAVES 2 TO 4 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.  
 

 
 
LEZ444-011000-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
958 PM EDT TUE MAR 31 2026  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE  
NORTH AFTER MIDNIGHT. RAIN SHOWERS AND SCATTERED THUNDERSTORMS  
THIS EVENING, THEN A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS  
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A  
CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS EARLY IN THE  
MORNING, THEN A CHANCE OF SHOWERS IN THE LATE MORNING AND  
AFTERNOON. WAVES 1 TO 3 FEET.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST  
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.  
A CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN SHOWERS LIKELY  
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER  
MIDNIGHT.    
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. WAVES 2 TO 4 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 42 DEGREES.  
 

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