641  
FZUS63 KDTX 160147  
GLFLH  
 
OPEN LAKE FORECAST FOR LAKE HURON  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
947 PM EDT MON SEP 15 2025  
 
FOR WATERS BEYOND FIVE NAUTICAL MILES OFF SHORE ON LAKE HURON  
 
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.  
   
SYNOPSIS
 
HIGH PRESSURE, 30.30 INCHES, HOLDS OVER THE EASTERN  
GREAT LAKES THROUGH THE MIDDLE OF THE WEEK, WHICH WILL CONTINUE  
TO SUPPORT DRY WEATHER AND LIGHT WINDS. A SECOND HIGH PRESSURE  
SYSTEM WILL THEN DROP IN FROM THE CENTRAL CANADIAN PROVINCES,  
CENTERING OVER EASTERN ONTARIO BY THE END OF THE WEEK.  
 
LHZ361-362-161000-  
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT  
BEYOND 5 NM OFF SHORE-  
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND  
5NM OFF SHORE-  
947 PM EDT MON SEP 15 2025  
   
REST OF TONIGHT
 
EAST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND  
VARIABLE. WAVES 2 FEET OR LESS.    
TUESDAY
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.    
TUESDAY NIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.    
WEDNESDAY
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR  
LESS.    
THURSDAY
 
LIGHT AND VARIABLE WINDS BECOMING NORTHWEST 5 TO  
10 KNOTS LATE IN THE MORNING...THEN BECOMING NORTHEAST 10 TO  
15 KNOTS LATE IN THE EVENING. WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 5 TO  
10 KNOTS EARLY IN THE EVENING...THEN INCREASING TO 10 TO 15 KNOTS  
IN THE LATE EVENING AND EARLY MORNING. WAVES 4 TO 6 FEET. WAVES  
OCCASIONALLY AROUND 8 FEET.    
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO  
15 KNOTS UNTIL EARLY MORNING. WAVES 3 TO 5 FEET.  
 

 
 
LHZ363-462>464-161000-  
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF  
SHORE-  
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-  
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-  
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-  
947 PM EDT MON SEP 15 2025  
   
REST OF TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR  
LESS.    
TUESDAY
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.    
TUESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS EARLY IN THE EVENING  
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.    
WEDNESDAY
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT
 
LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR  
LESS.    
THURSDAY
 
LIGHT AND VARIABLE WINDS BECOMING WEST 5 TO 10 KNOTS  
LATE IN THE MORNING...THEN VEERING TO THE NORTH LATE IN THE  
AFTERNOON. WAVES 2 FEET OR LESS.    
FRIDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 5 TO 7 FEET.  
WAVES OCCASIONALLY AROUND 10 FEET.    
SATURDAY
 
EAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO  
15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE  
EVENING AND EARLY MORNING.  
 

 
 
LHZ461-161000-  
MAFOR 1603/  
HURON NORTH 14200 14300. WAVES 2 FEET OR LESS.  
 
HURON SOUTH 11200 13300 11200 13100. WAVES 2 FEET OR LESS.  
 

 
 
BT  
 
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT  
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)  
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT  
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)  
 
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