805  
FZUS53 KDTX 230741  
NSHDTX  
 
NEARSHORE MARINE FORECAST FOR MICHIGAN  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
341 AM EDT TUE OCT 23 2018  
 
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.  
 
LHZ422-231515-  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
341 AM EDT TUE OCT 23 2018  
   
TODAY
 
NORTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY UNTIL LATE  
AFTERNOON BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY EARLY IN  
THE EVENING BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING THEN  
CLEARING. WAVES AROUND 2 FEET OR LESS.    
WEDNESDAY NIGHT
 
LIGHT AND VARIABLE WINDS. CLEAR. WAVES AROUND  
2 FEET OR LESS.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ421-231515-  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-  
341 AM EDT TUE OCT 23 2018  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING  
THROUGH WEDNESDAY AFTERNOON...  
   
TODAY
 
NORTHWEST 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. PARTLY  
CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS. WAVES 3 TO 5 FEET  
BUILDING TO 4 TO 6 FEET IN THE AFTERNOON. WAVES OCCASIONALLY  
AROUND 8 FEET.    
TONIGHT
 
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF  
LIGHT SHOWERS EARLY IN THE EVENING...THEN PARTLY CLOUDY IN THE  
LATE EVENING AND OVERNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY  
AROUND 7 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. PARTLY CLOUDY UNTIL LATE AFTERNOON  
THEN CLEARING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
8 FEET.    
WEDNESDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ441-231515-  
PORT AUSTIN TO HARBOR BEACH MI-  
341 AM EDT TUE OCT 23 2018  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING  
THROUGH WEDNESDAY AFTERNOON...  
   
TODAY
 
NORTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND  
AFTERNOON. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS.  
WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET IN THE LATE MORNING AND  
AFTERNOON. WAVES OCCASIONALLY AROUND 12 FEET.    
TONIGHT
 
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY WITH A SLIGHT CHANCE  
OF LIGHT SHOWERS. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND  
12 FEET.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS LATE IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING  
BECOMING PARTLY CLOUDY. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY  
AROUND 10 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET  
SUBSIDING TO 2 TO 4 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY  
AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ442-231515-  
HARBOR BEACH TO PORT SANILAC MI-  
341 AM EDT TUE OCT 23 2018  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING  
THROUGH WEDNESDAY AFTERNOON...  
   
TODAY
 
NORTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE MORNING AND  
AFTERNOON. MOSTLY CLOUDY WITH A SLIGHT CHANCE OF LIGHT SHOWERS.  
WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET IN THE LATE MORNING AND  
AFTERNOON. WAVES OCCASIONALLY AROUND 8 FEET.    
TONIGHT
 
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A CHANCE OF LIGHT SHOWERS  
UNTIL EARLY MORNING...THEN A SLIGHT CHANCE OF LIGHT SHOWERS EARLY  
IN THE MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND  
10 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO  
15 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING BECOMING  
PARTLY CLOUDY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND  
7 FEET.    
WEDNESDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET  
SUBSIDING TO 2 TO 4 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY  
AROUND 7 FEET.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ443-231515-  
PORT SANILAC TO PORT HURON MI-  
341 AM EDT TUE OCT 23 2018  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING  
THROUGH WEDNESDAY AFTERNOON...  
   
TODAY
 
WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN  
DIMINISHING TO 15 TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY  
CLOUDY BECOMING MOSTLY CLOUDY LATE IN THE MORNING BECOMING PARTLY  
CLOUDY BECOMING MOSTLY CLOUDY LATE IN THE AFTERNOON. A SLIGHT  
CHANCE OF LIGHT SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 3 TO  
5 FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY  
AROUND 7 FEET.    
TONIGHT
 
NORTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY IN THE  
EVENING BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF LIGHT SHOWERS.  
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 7 FEET.    
WEDNESDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO  
15 KNOTS IN THE AFTERNOON. PARTLY CLOUDY. WAVES 4 TO 6 FEET.  
WAVES OCCASIONALLY AROUND 8 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.  
 
SEE LAKE HURON OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LEZ444-231515-  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
341 AM EDT TUE OCT 23 2018  
   
TODAY
 
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO  
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN  
DIMINISHING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY  
UNTIL LATE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
AROUND 2 FEET OR LESS.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 2 FEET  
OR LESS.    
WEDNESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. CLEAR. WAVES AROUND 2 FEET OR LESS.  
 
SEE LAKE ERIE OPEN LAKE FORECAST FOR DAYS 3 THROUGH 5.  
 
THE WATER TEMPERATURE AT BELLE ISLE IS 48.7 DEGREES.  
 

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