710  
FZUS63 KDTX 130806 AAA  
GLFLH  
 
OPEN LAKE FORECAST FOR LAKE HURON...UPDATED  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
406 AM EDT FRI MAR 13 2026  
 
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 STRONG LOW PRESSURE SYSTEM, 29.10 INCHES, MOVES OVER  
NORTHERN LOWER MICHIGAN AND CENTRAL LAKE HURON THIS MORNING. THIS  
WILL BRING WIDESPREAD GALES TO THE GREAT LAKES. A GALE WARNING IS  
IN EFFECT. THE LOW QUICKLY MOVES OUT TONIGHT WITH HIGH PRESSURE,  
30.20 INCHES, BRIEFLY BUILDING BACK IN ON SATURDAY. A SECOND  
STRONG LOW PRESSURE SYSTEM, 28.80 INCHES, MOVES ACROSS SOUTHERN  
MICHIGAN AND LAKE HURON LATE SUNDAY INTO MONDAY. THIS BRINGS  
ADDITIONAL POTENTIAL FOR GUST TO GALES.  
 
LHZ361-362-131615-  
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-  
406 AM EDT FRI MAR 13 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
TODAY  
EAST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES LATE  
IN THE MORNING...THEN DECREASING TO 30 KNOTS IN THE AFTERNOON.  
GUSTS TO 45 KNOT GALES. SNOW. SNOW MAY BE HEAVY AT TIMES. WAVES  
8 TO 12 FEET BUILDING TO 12 TO 16 FEET IN THE LATE MORNING AND  
AFTERNOON. WAVES OCCASIONALLY AROUND 20 FEET.    
TONIGHT  
NORTH WINDS TO 30 KNOTS BECOMING NORTHWEST 20 TO  
25 KNOTS EARLY IN THE MORNING. GUSTS TO 40 KNOT GALES. SNOW  
LIKELY IN THE EVENING. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY  
AROUND 18 FEET.    
SATURDAY  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO AROUND  
30 KNOTS DECREASING TO 5 TO 10 KNOTS. WAVES 6 TO 9 FEET SUBSIDING  
TO 3 TO 5 FEET EARLY IN THE AFTERNOON. WAVES OCCASIONALLY AROUND  
12 FEET.    
SATURDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST  
BY MIDNIGHT...THEN BECOMING SOUTHEAST 10 TO 15 KNOTS AFTER  
MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET.    
SUNDAY  
EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS  
BECOMING NORTHEAST AT 35 KNOT GALES WITH GUSTS TO 45 KNOT GALES.  
SNOW. RAIN LATE IN THE AFTERNOON. FREEZING RAIN LATE IN THE  
EVENING. SNOW MAY BE HEAVY AT TIMES. WAVES 6 TO 9 FEET BUILDING  
TO 14 TO 18 FEET. WAVES OCCASIONALLY AROUND 23 FEET. A GALE  
WARNING MAY BE NEEDED.    
MONDAY  
NORTH AT 35 KNOT GALES BACKING TO THE SOUTHWEST EARLY  
IN THE EVENING...THEN VEERING TO THE NORTHWEST BY MIDNIGHT. GUSTS  
TO 45 KNOT GALES. RAIN AND SNOW EARLY IN THE MORNING. SNOW AND  
RAIN LIKELY IN THE LATE MORNING AND EARLY AFTERNOON. A CHANCE OF  
SNOW . WAVES 14 TO 18 FEET. WAVES OCCASIONALLY AROUND 23 FEET.    
TUESDAY  
NORTHWEST AT 35 KNOT GALES WITH GUSTS TO 40 KNOT GALES  
DECREASING TO 15 TO 20 KNOTS. A CHANCE OF SNOW EARLY IN THE  
MORNING. WAVES 15 TO 20 FEET SUBSIDING TO 8 TO 12 FEET . WAVES  
OCCASIONALLY AROUND 25 FEET.  
 
 
 
LHZ363-131615-  
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF  
SHORE-  
406 AM EDT FRI MAR 13 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
TODAY  
SOUTHEAST WINDS 20 TO 25 KNOTS INCREASING TO 30 KNOTS  
LATE IN THE MORNING...THEN BECOMING SOUTH 20 TO 25 KNOTS IN THE  
AFTERNOON. GUSTS TO 45 KNOT GALES DECREASING TO 35 KNOT GALES  
LATE IN THE AFTERNOON. SNOW IN THE MORNING...THEN A CHANCE OF  
SNOW AND RAIN IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.    
TONIGHT  
WEST WINDS TO 30 KNOTS VEERING TO THE NORTHWEST BY  
MIDNIGHT...THEN DECREASING TO 20 TO 25 KNOTS EARLY IN THE  
MORNING. GUSTS TO 40 KNOT GALES. A CHANCE OF SNOW. WAVES 8 TO  
12 FEET. WAVES OCCASIONALLY AROUND 14 FEET.    
SATURDAY  
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO AROUND  
30 KNOTS DECREASING TO 5 TO 10 KNOTS. WAVES 8 TO 12 FEET  
SUBSIDING TO 3 TO 5 FEET EARLY IN THE AFTERNOON. WAVES  
OCCASIONALLY AROUND 15 FEET.    
SATURDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE  
SOUTHEAST BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS AFTER  
MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.    
SUNDAY  
EAST WINDS 15 TO 20 KNOTS INCREASING TO 30 KNOTS WITH  
GUSTS TO 40 KNOT GALES. SNOW. FREEZING RAIN LATE IN THE MORNING.  
RAIN. SNOW MAY BE HEAVY AT TIMES IN THE MORNING. WAVES 5 TO  
7 FEET BUILDING TO 10 TO 14 FEET. WAVES OCCASIONALLY AROUND  
18 FEET.    
MONDAY  
SOUTHEAST WINDS TO 30 KNOTS WITH GUSTS TO 45 KNOT GALES  
BECOMING WEST AT 35 KNOT GALES WITH STORM FORCE GUSTS TO 50 KNOTS   
RAIN WITH SNOW LIKELY EARLY IN THE MORNING  
THEN RAIN LIKELY  
IN THE LATE MORNING AND EARLY AFTERNOON. A CHANCE OF SNOW. WAVES  
14 TO 18 FEET. WAVES OCCASIONALLY AROUND 23 FEET. A GALE WARNING  
MAY BE NEEDED.    
TUESDAY  
NORTHWEST AT 35 KNOT GALES WITH GUSTS TO 40 KNOT GALES  
DECREASING TO 15 TO 20 KNOTS. A CHANCE OF SNOW EARLY IN THE  
MORNING. WAVES 15 TO 20 FEET SUBSIDING TO 6 TO 9 FEET. WAVES  
OCCASIONALLY AROUND 25 FEET.  
 
 
 
LHZ462>464-131615-  
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-  
406 AM EDT FRI MAR 13 2026  
   
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT  
 
   
TODAY  
SOUTHEAST WINDS 20 TO 25 KNOTS INCREASING TO 30 KNOTS  
LATE IN THE MORNING...THEN BECOMING SOUTH 20 TO 25 KNOTS EARLY IN  
THE AFTERNOON VEERING TO THE SOUTHWEST LATE IN THE AFTERNOON.  
GUSTS TO 45 KNOT GALES. SNOW IN THE MORNING...THEN A CHANCE OF  
RAIN AND SNOW IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.    
TONIGHT  
WEST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES  
LATE IN THE EVENING...THEN BECOMING NORTHWEST TO 30 KNOTS AFTER  
MIDNIGHT. GUSTS TO 45 KNOT GALES DECREASING TO 35 KNOT GALES  
EARLY IN THE MORNING. A CHANCE OF SNOW AND RAIN IN THE EVENING...  
THEN A CHANCE OF SNOW AFTER MIDNIGHT. WAVES 10 TO 14 FEET. WAVES  
OCCASIONALLY AROUND 18 FEET.    
SATURDAY  
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND  
30 KNOTS DECREASING TO 5 TO 10 KNOTS. WAVES 8 TO 12 FEET  
SUBSIDING TO 4 TO 6 FEET EARLY IN THE AFTERNOON. WAVES  
OCCASIONALLY AROUND 15 FEET.    
SATURDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS VEERING TO THE EAST  
BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. A  
CHANCE OF SNOW AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO  
1 TO 3 FEET BY MIDNIGHT...THEN BUILDING TO 2 TO 4 FEET AFTER  
MIDNIGHT.    
SUNDAY  
EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS  
INCREASING TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES LATE IN THE  
AFTERNOON...THEN BECOMING SOUTHEAST AT 35 KNOT GALES WITH GUSTS  
TO 45 KNOT GALES LATE IN THE EVENING. SNOW WITH RAIN LIKELY AND  
FREEZING RAIN...THEN RAIN LATE IN THE AFTERNOON. WAVES 8 TO  
12 FEET BUILDING TO 10 TO 14 FEET LATE IN THE EVENING. WAVES  
OCCASIONALLY AROUND 18 FEET. A GALE WARNING MAY BE NEEDED.    
MONDAY  
SOUTH WINDS TO 30 KNOTS BECOMING WEST AT 35 KNOT GALES   
GUSTS TO 45 KNOT GALES. RAIN EARLY IN THE MORNING  
THEN RAIN  
LIKELY IN THE LATE MORNING AND EARLY AFTERNOON. A CHANCE OF SNOW.  
WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.    
TUESDAY  
WEST AT 35 KNOT GALES WITH GUSTS TO 40 KNOT GALES  
BECOMING NORTHWEST 15 TO 20 KNOTS. A CHANCE OF SNOW EARLY IN THE  
MORNING. WAVES 12 TO 16 FEET SUBSIDING TO 8 TO 12 FEET . WAVES  
OCCASIONALLY AROUND 20 FEET.  
 
 
 
LHZ461-131615-  
MAFOR 1309/  
HURON NORTH...GALE WARNING IN EFFECT...11337 19357 11357 11257  
11247 19257 11147 19157 11847 19857 11840 19850 11730 19750.  
WAVES 1 TO 3 FEET BUILDING TO 8 TO 12 FEET...THEN BUILDING TO 10  
TO 14 FEET. OCCASIONAL WAVE HEIGHT AROUND 18 FEET TODAY. WAVES 10  
TO 14 FEET SUBSIDING TO 6 TO 9 FEET. OCCASIONAL WAVE HEIGHT  
AROUND 18 FEET TONIGHT.  
 
HURON SOUTH...GALE WARNING IN EFFECT...11337 19357 12347 19357  
11527 19557 11637 19657 11747 19757 11740 19750 11730 19750.  
WAVES 1 TO 3 FEET BUILDING TO 5 TO 7 FEET...THEN BUILDING TO 6 TO  
9 FEET. OCCASIONAL WAVE HEIGHT AROUND 12 FEET TODAY. WAVES 6 TO 9  
FEET BUILDING TO 10 TO 14 FEET. OCCASIONAL WAVE HEIGHT AROUND 18  
FEET TONIGHT.  
 
 
 
KGK  
 
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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