466
FZUS63 KDTX 180844
GLFLH
OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EST THU DEC 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, 29.10 INCHES, TRACKS TOWARD LAKE
SUPERIOR TODAY AND DRAWS A COLD FRONT ACROSS THE SOUTHERN GREAT
LAKES THIS EVENING. SOUTHERLY WINDS INCREASE TODAY AHEAD OF THE
FRONT BEFORE SHIFTING TO THE NORTHWEST FRIDAY BEHIND THE FRONT.
GALE FORCE GUSTS ARE POSSIBLE TODAY AND FRIDAY, WITH SNOW SQUALLS
POSSIBLE ON FRIDAY.
LHZ361-362-181645-
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-
344 AM EST THU DEC 18 2025
..GALE WARNING IN EFFECT THROUGH FRIDAY EVENING
TODAY
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES.
SHOWERS. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
TONIGHT
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES
DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES LATE IN
THE EVENING...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS
TO AROUND 30 KNOTS AFTER MIDNIGHT INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO AROUND 30 KNOTS EARLY IN THE MORNING. SHOWERS IN
THE EVENING...THEN NUMEROUS SHOWERS AND SCATTERED SNOW SHOWERS
AFTER MIDNIGHT. WAVES 12 TO 16 FEET SUBSIDING TO 8 TO 12 FEET
EARLY IN THE MORNING. WAVES OCCASIONALLY AROUND 20 FEET.
FRIDAY
WEST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES IN
THE LATE MORNING AND AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
12 TO 16 FEET. WAVES OCCASIONALLY AROUND 20 FEET. A GALE WARNING
MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS DECREASING TO 10 TO 15 KNOTS IN THE LATE EVENING
AND EARLY MORNING...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS AFTER
MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT. WAVES 12 TO 16 FEET
SUBSIDING TO 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 20 FEET.
SATURDAY
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST AT 35 KNOT GALES LATE IN THE EVENING. SNOW
LIKELY IN THE MORNING...THEN A CHANCE OF SNOW LATE IN THE
MORNING. WAVES 8 TO 12 FEET BUILDING TO 12 TO 16 FEET LATE IN THE
EVENING. WAVES OCCASIONALLY AROUND 20 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY
WEST AT 35 KNOT GALES DECREASING TO 10 TO 15 KNOTS.
WAVES 10 TO 14 FEET SUBSIDING TO 5 TO 7 FEET IN THE LATE EVENING
AND EARLY MORNING. WAVES OCCASIONALLY AROUND 18 FEET.
MONDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS EARLY IN THE EVENING...THEN INCREASING TO 20 TO 25 KNOTS
IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF SNOW IN THE
LATE EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET BUILDING TO
6 TO 9 FEET IN THE LATE EVENING AND EARLY MORNING. WAVES
OCCASIONALLY AROUND 12 FEET.
LHZ363-462-181645-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
344 AM EST THU DEC 18 2025
..GALE WARNING IN EFFECT THROUGH FRIDAY EVENING
TODAY
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES.
SCATTERED SHOWERS IN THE MORNING...THEN SHOWERS IN THE AFTERNOON.
WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
TONIGHT
SOUTH 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 EARLY MORNING...THEN VEERING TO THE SOUTHWEST
WITH GUSTS TO AROUND 30 KNOTS EARLY IN THE MORNING. SHOWERS IN
THE EVENING...THEN NUMEROUS SHOWERS AND SCATTERED SNOW SHOWERS
AFTER MIDNIGHT. WAVES 10 TO 14 FEET SUBSIDING TO 6 TO 9 FEET
EARLY IN THE MORNING. WAVES OCCASIONALLY AROUND 18 FEET.
FRIDAY
WEST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES IN
THE LATE MORNING AND AFTERNOON. GUSTS TO 40 KNOT GALES. SCATTERED
SNOW SHOWERS IN THE MORNING. WAVES 12 TO 16 FEET. WAVES
OCCASIONALLY AROUND 20 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
WEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS DECREASING TO 15 TO 20 KNOTS IN THE LATE EVENING AND
EARLY MORNING...THEN BACKING TO THE SOUTHWEST AFTER MIDNIGHT.
WAVES 12 TO 16 FEET SUBSIDING TO 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 20 FEET.
SATURDAY
SOUTH WINDS 20 TO 25 KNOTS BECOMING WEST TO 30 KNOTS
LATE IN THE EVENING. A CHANCE OF SNOW LATE IN THE MORNING. WAVES
8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
SUNDAY
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS. WAVES 10 TO 14 FEET SUBSIDING TO 5 TO 7 FEET IN THE
LATE EVENING AND EARLY MORNING. WAVES OCCASIONALLY AROUND
18 FEET.
MONDAY
WEST WINDS 15 TO 20 KNOTS BACKING TO THE SOUTH EARLY IN
THE EVENING...THEN INCREASING TO 20 TO 25 KNOTS IN THE LATE
EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET BUILDING TO 5 TO
7 FEET IN THE LATE EVENING AND EARLY MORNING. WAVES OCCASIONALLY
AROUND 10 FEET.
LHZ463-464-181645-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
344 AM EST THU DEC 18 2025
...GALE WARNING IN EFFECT FROM 7 AM EST THIS MORNING THROUGH
FRIDAY EVENING...
TODAY
SOUTH WINDS 20 TO 25 KNOTS INCREASING TO 30 KNOTS IN THE
LATE MORNING AND AFTERNOON. GUSTS TO 40 KNOT GALES. SHOWERS IN
THE AFTERNOON. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
TONIGHT
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES
DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES LATE IN
THE EVENING...THEN BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS
TO AROUND 30 KNOTS AFTER MIDNIGHT. SHOWERS IN THE EVENING...THEN
SHOWERS AND SCATTERED SNOW SHOWERS AFTER MIDNIGHT. WAVES 8 TO
12 FEET SUBSIDING TO 4 TO 6 FEET EARLY IN THE MORNING. WAVES
OCCASIONALLY AROUND 15 FEET.
FRIDAY
WEST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES IN
THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO
30 KNOTS EARLY IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET. A GALE WARNING
MAY BE NEEDED.
FRIDAY NIGHT
WEST WINDS TO 30 KNOTS WITH GUSTS TO 35 KNOT
GALES DECREASING TO 15 TO 20 KNOTS IN THE LATE EVENING AND EARLY
MORNING...THEN BACKING TO THE SOUTHWEST AFTER MIDNIGHT. WAVES
8 TO 12 FEET SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY AROUND 15 FEET.
SATURDAY
SOUTH WINDS 20 TO 25 KNOTS BECOMING WEST TO 30 KNOTS
LATE IN THE EVENING. A CHANCE OF SNOW LATE IN THE MORNING. WAVES
6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
SUNDAY
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
MONDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS EARLY IN THE EVENING...THEN INCREASING TO 20 TO 25 KNOTS
IN THE LATE EVENING AND EARLY MORNING. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET IN THE LATE MORNING AND EARLY
AFTERNOON...THEN BUILDING TO 4 TO 6 FEET UNTIL EARLY MORNING.
WAVES OCCASIONALLY AROUND 8 FEET.
LHZ461-181645-
MAFOR 1810/
HURON NORTH...GALE WARNING IN EFFECT...11430 19456 14446 19456
11446 19456 11536 11536 19537. WAVES 6 TO 9 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...11440 19450 14446 19456
11446 19456 11536 11536 19537. WAVES 6 TO 9 FEET BUILDING TO 8
TO 12 FEET. OCCASIONAL WAVE HEIGHT AROUND 15 FEET TODAY. WAVES 8
TO 12 FEET SUBSIDING TO 6 TO 9 FEET. OCCASIONAL WAVE HEIGHT
AROUND 15 FEET TONIGHT.
SF
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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