109  
FZUS63 KDTX 170820  
GLFLH  
 
OPEN LAKE FORECAST FOR LAKE HURON  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
420 AM EDT TUE JUN 17 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  
A LOW PRESSURE SYSTEM, AROUND 29.50 INCHES, TRACKING  
ACROSS LAKE SUPERIOR TODAY WILL PULL A WARM FRONT UP THROUGH THE  
REGION. A SECOND LOW WILL THEN LIFT THROUGH LOWER MI AND LAKE  
HURON ON WEDNESDAY BRINGING A CHANCE OF STRONG TO SEVERE STORMS.  
A COLD FRONT WILL STALL OVER THE REGION ON THURSDAY.  
 
LHZ361-362-171630-  
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-  
420 AM EDT TUE JUN 17 2025  
   
TODAY  
SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE  
MORNING AND AFTERNOON.    
TONIGHT  
NORTH WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING  
LIGHT AND VARIABLE. WAVES 1 TO 3 FEET.    
WEDNESDAY  
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 2 FEET OR  
LESS.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
THURSDAY  
WEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTHWEST  
LATE IN THE MORNING...THEN BECOMING WEST 5 TO 10 KNOTS LATE IN  
THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET SUBSIDING  
TO 1 TO 3 FEET LATE IN THE EVENING.    
FRIDAY  
WEST WINDS 5 TO 10 KNOTS VEERING TO THE EAST UNTIL  
EARLY MORNING. A CHANCE OF SHOWERS UNTIL EARLY MORNING. A CHANCE  
OF THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS UNTIL AFTERNOON. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET.  
 
 
 
LHZ363-171630-  
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF  
SHORE-  
420 AM EDT TUE JUN 17 2025  
   
TODAY  
SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING BECOMING  
LIGHT AND VARIABLE. WAVES 1 TO 3 FEET.    
WEDNESDAY  
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS  
IN THE LATE MORNING AND AFTERNOON. A CHANCE OF SHOWERS IN THE  
MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN VEERING TO  
THE SOUTH AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER  
MIDNIGHT.    
THURSDAY  
SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE  
NORTHWEST LATE IN THE MORNING...THEN BECOMING WEST 5 TO 10 KNOTS  
LATE IN THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.    
FRIDAY  
WEST WINDS 5 TO 10 KNOTS BACKING TO THE EAST UNTIL  
EARLY MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE  
EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING  
SOUTHWEST 10 TO 15 KNOTS UNTIL EARLY MORNING. SHOWERS LIKELY AND  
A CHANCE OF THUNDERSTORMS UNTIL AFTERNOON...THEN A CHANCE OF  
SHOWERS UNTIL EARLY MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO  
4 FEET.  
 
 
 
LHZ462>464-171630-  
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-  
420 AM EDT TUE JUN 17 2025  
   
TODAY  
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS  
IN THE AFTERNOON. WAVES 1 TO 3 FEET.    
TONIGHT  
SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.    
WEDNESDAY  
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST IN THE  
LATE MORNING AND AFTERNOON. A CHANCE OF SHOWERS IN THE MORNING...  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS AND A  
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO  
2 TO 4 FEET AFTER MIDNIGHT.    
THURSDAY  
SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE WEST  
LATE IN THE MORNING...THEN DECREASING TO 5 TO 10 KNOTS LATE IN  
THE AFTERNOON. A CHANCE OF SHOWERS. A CHANCE OF SHOWERS LATE IN  
THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN  
THE AFTERNOON.    
FRIDAY  
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHEAST IN  
THE LATE EVENING AND EARLY MORNING. A CHANCE OF SHOWERS EARLY IN  
THE MORNING. WAVES 2 FEET OR LESS.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE SOUTHWEST  
IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.  
 
 
 
LHZ461-171630-  
MAFOR 1709/  
HURON NORTH 14410 11500 13700. A CHANCE OF SHOWERS THIS  
AFTERNOON AND EVENING. WAVES 2 TO 4 FEET TODAY. WAVES 1 TO 3 FEET  
TONIGHT.  
 
HURON SOUTH 11400 14410 11500 11800 11100. A CHANCE OF  
SHOWERS THIS EVENING. WAVES 2 FEET OR LESS.  
 
 
 
AA  
 
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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