940  
FZUS53 KDTX 240200  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
959 PM EDT THU MAR 23 2017  
 
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.  
 
LHZ422-240900-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY WITH LIGHT RAIN  
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES AROUND 2 FEET  
OR LESS.    
FRIDAY
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO  
15 KNOTS LATE IN THE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS  
IN THE AFTERNOON. CLOUDY. A CHANCE OF RAIN AND A SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL LATE AFTERNOON...THEN A CHANCE OF LIGHT RAIN  
LATE IN THE AFTERNOON. WAVES AROUND 2 FEET OR LESS.    
FRIDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
15 TO 20 KNOTS EARLY IN THE MORNING. LIGHT RAIN. WAVES 1 TO  
3 FEET.    
SATURDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. RAIN. WAVES 1 TO  
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-240900-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH  
LIGHT RAIN LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
1 TO 3 FEET.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO  
10 KNOTS LATE IN THE AFTERNOON. CLOUDY. RAIN LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON...THEN LIGHT RAIN  
LIKELY LATE IN THE AFTERNOON. WAVES AROUND 2 FEET OR LESS.    
FRIDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS INCREASING TO  
15 TO 20 KNOTS EARLY IN THE MORNING. LIGHT RAIN. WAVES 1 TO  
3 FEET.    
SATURDAY
 
NORTHEAST 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 LATE IN THE AFTERNOON. RAIN. WAVES 4 TO 6 FEET  
BUILDING TO 5 TO 7 FEET IN THE AFTERNOON. WAVES OCCASIONALLY AROUND  
10 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-240900-  
PORT AUSTIN TO HARBOR BEACH MI-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH  
LIGHT RAIN LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
2 TO 4 FEET.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO  
10 KNOTS LATE IN THE AFTERNOON. CLOUDY. RAIN LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON...THEN LIGHT RAIN  
LIKELY LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST  
15 TO 20 KNOTS. RAIN. WAVES 1 TO 3 FEET.    
SATURDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25  
KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING EAST 15  
TO 20 KNOTS LATE IN THE AFTERNOON. RAIN. WAVES 4 TO 6 FEET BUILDING  
TO 5 TO 7 FEET IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 10 FEET. A  
SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-240900-  
HARBOR BEACH TO PORT SANILAC MI-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO  
10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY WITH LIGHT  
RAIN LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO  
3 FEET.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. CLOUDY. RAIN LIKELY  
EARLY IN THE MORNING. A SLIGHT CHANCE OF THUNDERSTORMS UNTIL LATE  
AFTERNOON. A CHANCE OF LIGHT RAIN IN THE LATE MORNING AND  
AFTERNOON. WAVES 1 TO 3 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF LIGHT RAIN  
EARLY IN THE EVENING...THEN LIGHT RAIN LIKELY IN THE LATE EVENING  
AND OVERNIGHT. WAVES AROUND 2 FEET OR LESS.    
SATURDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 10 TO 15  
KNOTS LATE IN THE AFTERNOON. RAIN. 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.  
 

 
 
LHZ443-240900-  
PORT SANILAC TO PORT HURON MI-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH  
LIGHT RAIN LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
1 TO 3 FEET.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. CLOUDY. A CHANCE OF  
RAIN AND A SLIGHT CHANCE OF THUNDERSTORMS UNTIL LATE AFTERNOON...  
THEN A CHANCE OF LIGHT RAIN LATE IN THE AFTERNOON. WAVES 1 TO  
3 FEET.    
FRIDAY NIGHT
 
WEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO  
10 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING  
TO 10 TO 15 KNOTS EARLY IN THE MORNING. CLOUDY WITH LIGHT RAIN  
LIKELY. WAVES AROUND 2 FEET OR LESS.    
SATURDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. LIGHT RAIN. WAVES  
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-240900-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
959 PM EDT THU MAR 23 2017  
   
REST OF TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH  
A CHANCE OF LIGHT RAIN AND A SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES AROUND 2 FEET OR LESS.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY UNTIL  
LATE AFTERNOON BECOMING PARTLY CLOUDY. A CHANCE OF LIGHT RAIN AND  
A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 TO  
3 FEET.    
FRIDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A  
CHANCE OF LIGHT RAIN...MAINLY AFTER MIDNIGHT. WAVES AROUND 2 FEET  
OR LESS.    
SATURDAY
 
SOUTH WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHEAST  
EARLY IN THE AFTERNOON...THEN BECOMING EAST 10 TO 15 KNOTS LATE  
IN THE AFTERNOON. CLOUDY WITH LIGHT RAIN LIKELY. WAVES AROUND  
2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 35.2 DEGREES.  
 

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