326
FZUS63 KDTX 180808
GLFLH
OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
408 AM EDT SAT OCT 18 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
LOW PRESSURE, 29.20 INCHES, RAPIDLY DEVELOPS ALONG A
COLD FRONT OVER THE MID-MISSISSIPPI AND MOVES OVER LOWER MICHIGAN
SUNDAY, BRINGING THE CHANCE FOR A FEW SOUTHERLY GALES LATE SUNDAY
MORNING WITH HIGHER PROBABILITIES FOR NORTHWESTERLY GALES OVER
MOST OF LAKE HURON BY SUNDAY EVENING. A GALE WATCH IS IN EFFECT
LATE SUNDAY AFTERNOON THROUGH SUNDAY NIGHT.
LHZ361-181615-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
408 AM EDT SAT OCT 18 2025
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...
TODAY
SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
IN THE AFTERNOON. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN
THE MORNING...THEN A CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
3 TO 5 FEET.
TONIGHT
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS
EARLY IN THE MORNING. SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING
NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN THE
AFTERNOON. SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 8 TO 12 FEET.
WAVES OCCASIONALLY AROUND 15 FEET.
SUNDAY NIGHT
NORTHWEST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT
GALES DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES IN
THE LATE EVENING AND OVERNIGHT. SHOWERS IN THE EVENING. WAVES
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
MONDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS LATE IN THE MORNING...THEN BACKING TO THE SOUTH LATE IN
THE AFTERNOON BECOMING SOUTHEAST 15 TO 20 KNOTS LATE IN THE
EVENING. A CHANCE OF SHOWERS LATE IN THE AFTERNOON. RAIN SHOWERS
LATE IN THE EVENING. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET
LATE IN THE MORNING...THEN BUILDING TO 4 TO 6 FEET LATE IN THE
EVENING. WAVES OCCASIONALLY AROUND 10 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO
25 KNOTS WITH GUSTS TO 35 KNOT GALES IN THE LATE MORNING AND
EARLY AFTERNOON...THEN VEERING TO THE WEST WITH GUSTS TO 40 KNOT
GALES UNTIL EARLY MORNING. SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
WEDNESDAY
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES DECREASING TO 15 TO 20 KNOTS IN THE LATE EVENING AND EARLY
MORNING. SHOWERS LIKELY...THEN A CHANCE OF SHOWERS IN THE LATE
EVENING AND EARLY MORNING. WAVES 4 TO 6 FEET.
LHZ362-363-181615-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
408 AM EDT SAT OCT 18 2025
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...
TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE MORNING...THEN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
IN THE LATE EVENING AND OVERNIGHT. SHOWERS LIKELY IN THE
EVENING...THEN SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 20 TO
25 KNOTS WITH GUSTS TO 35 KNOT GALES. SHOWERS. WAVES 4 TO 6 FEET
BUILDING TO 8 TO 12 FEET EARLY IN THE AFTERNOON. WAVES
OCCASIONALLY AROUND 15 FEET.
SUNDAY NIGHT
NORTHWEST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT
GALES. SHOWERS IN THE EVENING. WAVES 10 TO 14 FEET. WAVES
OCCASIONALLY AROUND 18 FEET.
MONDAY
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
DECREASING TO 10 TO 15 KNOTS LATE IN THE MORNING...THEN BACKING
TO THE SOUTHWEST LATE IN THE AFTERNOON BECOMING SOUTH 15 TO
20 KNOTS LATE IN THE EVENING. A CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RAIN SHOWERS LATE IN THE EVENING. WAVES 8 TO 12 FEET
SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON...THEN BUILDING TO
6 TO 9 FEET LATE IN THE EVENING. WAVES OCCASIONALLY AROUND
15 FEET.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST TO
30 KNOTS UNTIL EARLY EVENING...THEN BECOMING WEST 20 TO 25 KNOTS
IN THE LATE EVENING AND EARLY MORNING. GUSTS TO 35 KNOT GALES.
SHOWERS. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY
AFTERNOON...THEN BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS EARLY IN THE EVENING DECREASING TO 15 TO 20 KNOTS
IN THE LATE EVENING AND EARLY MORNING. SHOWERS LIKELY...THEN A
CHANCE OF SHOWERS IN THE LATE EVENING AND EARLY MORNING. WAVES
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
LHZ462-463-181615-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
408 AM EDT SAT OCT 18 2025
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...
TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SHOWERS LIKELY IN THE AFTERNOON. WAVES 3 TO
5 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SUNDAY
SOUTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO 35 KNOT GALES IN THE LATE MORNING AND AFTERNOON.
SHOWERS. WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET EARLY IN THE
AFTERNOON. WAVES OCCASIONALLY AROUND 12 FEET.
SUNDAY NIGHT
WEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT
GALES. SHOWERS IN THE EVENING...THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
MONDAY
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
DECREASING TO 15 TO 20 KNOTS LATE IN THE MORNING...THEN
DECREASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON BECOMING SOUTH
15 TO 20 KNOTS LATE IN THE EVENING. A CHANCE OF SHOWERS...THEN
SHOWERS LATE IN THE EVENING. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO
5 FEET LATE IN THE AFTERNOON...THEN BUILDING TO 5 TO 7 FEET LATE
IN THE EVENING. WAVES OCCASIONALLY AROUND 15 FEET.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST TO
30 KNOTS. GUSTS TO 35 KNOT GALES. SHOWERS. WAVES 8 TO 12 FEET.
WAVES OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
WEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES
BECOMING NORTHWEST 15 TO 20 KNOTS. SHOWERS EARLY IN THE MORNING...
THEN SHOWERS LIKELY. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY
AROUND 15 FEET.
LHZ464-181615-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
408 AM EDT SAT OCT 18 2025
TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FEET.
SUNDAY
SOUTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO AROUND 30 KNOTS IN THE LATE MORNING AND AFTERNOON.
SHOWERS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
SUNDAY NIGHT
WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST TO
30 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN DECREASING
TO 20 TO 25 KNOTS AFTER MIDNIGHT. SHOWERS IN THE EVENING...THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
MONDAY
WEST WINDS 20 TO 25 KNOTS DECREASING TO 15 TO 20 KNOTS
LATE IN THE MORNING...THEN DECREASING TO 10 TO 15 KNOTS LATE IN
THE AFTERNOON BECOMING SOUTH 15 TO 20 KNOTS LATE IN THE EVENING.
A CHANCE OF SHOWERS. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 5 FEET
LATE IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 10 FEET.
TUESDAY
SOUTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES INCREASING TO 30 KNOTS. SHOWERS LIKELY EARLY IN THE
MORNING...THEN SHOWERS. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
WEDNESDAY
WEST WINDS TO 30 KNOTS DECREASING TO 15 TO 20 KNOTS.
SHOWERS EARLY IN THE MORNING...THEN SHOWERS LIKELY UNTIL EARLY
EVENING. A CHANCE OF SHOWERS IN THE LATE EVENING AND EARLY
MORNING. WAVES 4 TO 6 FEET.
LHZ461-181615-
MAFOR 1809/
HURON NORTH 12420 13416 12400 11406. A CHANCE OF THUNDERSTORMS
TODAY. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET. OCCASIONAL
WAVE HEIGHT AROUND 8 FEET TODAY. WAVES 2 TO 4 FEET TONIGHT.
HURON SOUTH 12420 11410 12416 12400 11416. A CHANCE OF
THUNDERSTORMS THIS AFTERNOON AND TONIGHT. WAVES 3 TO 5 FEET
TODAY. WAVES 1 TO 3 FEET TONIGHT.
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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