250  
FZUS53 KDTX 011941  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
341 PM EDT TUE APR 1 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.  
 
LHZ422-020345-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
341 PM EDT TUE APR 1 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
EVENING...  
   
TONIGHT
 
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 20 TO  
25 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN THE MORNING. MOSTLY  
CLOUDY. A CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO  
5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
EAST WINDS TO 30 KNOTS BECOMING SOUTHEAST 20 TO  
25 KNOTS EARLY IN THE AFTERNOON. GUSTS TO 40 KNOT GALES. LIGHT  
SNOW SHOWERS LIKELY, POSSIBLE SHOWERS, FREEZING RAIN AND SLEET IN  
THE MORNING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE  
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS VEERING TO THE SOUTHWEST AFTER MIDNIGHT. MOSTLY CLOUDY.  
LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
EVENING. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE  
EVENING. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
SOUTHWEST WINDS 20 TO 25 KNOTS BECOMING WEST TO  
30 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 35 KNOT  
GALES. MOSTLY SUNNY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND  
7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-020345-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
341 PM EDT TUE APR 1 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
EVENING...  
   
TONIGHT
 
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 20 TO  
25 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN THE MORNING. MOSTLY  
CLOUDY. A CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO  
5 FEET BUILDING TO 5 TO 7 FEET EARLY IN THE MORNING. WAVES  
OCCASIONALLY AROUND 10 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT  
GALES. LIGHT RAIN AND SNOW SHOWERS IN THE MORNING, THEN SHOWERS,  
POSSIBLE THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE AFTERNOON. WAVES  
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS VEERING TO THE SOUTHWEST AFTER MIDNIGHT. MOSTLY CLOUDY.  
LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
EVENING. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE  
EVENING. WAVES 6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET IN THE LATE  
EVENING AND OVERNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.    
THURSDAY
 
SOUTHWEST WINDS TO 30 KNOTS BECOMING WEST 20 TO  
25 KNOTS EARLY IN THE AFTERNOON. GUSTS TO 35 KNOT GALES. MOSTLY  
SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-020345-  
PORT AUSTIN TO HARBOR BEACH MI-  
341 PM EDT TUE APR 1 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
EVENING...  
   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 20 TO  
25 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN THE MORNING. MOSTLY  
CLOUDY. A SLIGHT CHANCE OF LIGHT SNOW SHOWERS AFTER MIDNIGHT.  
WAVES 2 TO 4 FEET BUILDING TO 5 TO 7 FEET. WAVES OCCASIONALLY  
AROUND 10 FEET.   
WEDNESDAY
 
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT  
GALES. LIGHT SNOW SHOWERS LIKELY IN THE MORNING, THEN SHOWERS,  
LIGHT SNOW SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE  
AFTERNOON. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.   
WEDNESDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO  
35 KNOT GALES BECOMING SOUTHWEST 15 TO 20 KNOTS AFTER MIDNIGHT.  
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO 5 FEET  
AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 15 FEET.    
THURSDAY
 
SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO  
30 KNOTS. MOSTLY SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY  
AROUND 8 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-020345-  
HARBOR BEACH TO PORT SANILAC MI-  
341 PM EDT TUE APR 1 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
EVENING...  
   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO  
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING  
SOUTHEAST 20 TO 25 KNOTS EARLY IN THE MORNING. GUSTS TO 35 KNOT  
GALES EARLY IN THE MORNING. MOSTLY CLOUDY. A SLIGHT CHANCE OF  
LIGHT SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 5  
TO 7 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY AROUND 10  
FEET.    
WEDNESDAY
 
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT  
GALES. LIGHT SNOW SHOWERS LIKELY AND SHOWERS IN THE MORNING, THEN  
SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME  
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE AFTERNOON. WAVES  
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS TO 30 KNOTS BECOMING SOUTH  
20 TO 25 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN  
BECOMING SOUTHWEST 15 TO 20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS  
AND A CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO 5 FEET AFTER  
MIDNIGHT. WAVES OCCASIONALLY AROUND 15 FEET.    
THURSDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND  
AFTERNOON. PARTLY CLOUDY IN THE MORNING BECOMING MOSTLY SUNNY.  
WAVES 1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-020345-  
PORT SANILAC TO PORT HURON MI-  
341 PM EDT TUE APR 1 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
EVENING...  
   
TONIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO  
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING  
SOUTHEAST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN THE  
MORNING. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW SHOWERS AFTER  
MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET EARLY IN THE  
MORNING. WAVES OCCASIONALLY AROUND 10 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT  
GALES. LIGHT SNOW SHOWERS LIKELY AND SHOWERS WITH SLEET LIKELY IN  
THE MORNING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE  
AFTERNOON. PRECIPITATION MAY BE HEAVY AT TIMES IN THE MORNING.  
WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS TO 30 KNOTS BECOMING SOUTH  
20 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS  
AND A CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS. WAVES 6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET. WAVES  
OCCASIONALLY AROUND 12 FEET.    
THURSDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 20 TO  
25 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY CLOUDY. WAVES  
1 TO 3 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-020345-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
341 PM EDT TUE APR 1 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING  
THROUGH LATE WEDNESDAY NIGHT...  
   
TONIGHT
 
EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS  
WITH GUSTS TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY  
CLOUDY WITH A SLIGHT CHANCE OF LIGHT SNOW SHOWERS. WAVES 1 TO 3  
FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.  
WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS  
BECOMING SOUTHEAST 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS IN THE  
LATE MORNING AND AFTERNOON. RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. WAVES  
4 TO 6 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY NIGHT
 
SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST  
15 TO 20 KNOTS AFTER MIDNIGHT. GUSTS TO 30 KNOTS. RAIN SHOWERS  
AND A CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS. LOCALLY HEAVY RAINFALL POSSIBLE IN THE EVENING.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
THURSDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY IN THE  
MORNING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 43 DEGREES.  
 

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