972
FZUS63 KDTX 181354
GLFLH
OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 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 SOUTHERLY GALES SUNDAY MORNING
ACROSS CENTRAL AND SOUTHERN LAKE HURON WITH HIGHER PROBABILITIES
FOR NORTHWESTERLY GALES OVER MOST OF LAKE HURON BY LATE SUNDAY
AFTERNOON. ELSEWHERE, NEAR GALE GUSTS CAN BE EXPECTED. HIGH
PRESSURE BUILDS IN BRIEFLY ON MONDAY BEFORE ANOTHER LOW PRESSURE
MOVES THROUGH THE REGION ON TUESDAY BRINGING ANOTHER CHANCE AT
GALES.
LHZ361-182200-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
954 AM EDT SAT OCT 18 2025
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS LATE IN THE MORNING...THEN A CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 3 TO 5 FEET.
TONIGHT
LIGHT AND VARIABLE WINDS. SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 15 TO
20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE MORNING AND
EARLY AFTERNOON...THEN BECOMING NORTHWEST TO 30 KNOTS WITH GUSTS
TO 40 KNOT GALES EARLY IN THE AFTERNOON. SHOWERS. WAVES 1 TO 3
FEET BUILDING TO 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
SUNDAY NIGHT
NORTHWEST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT
GALES DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. SHOWERS IN THE EVENING. WAVES 10 TO 14 FEET. WAVES
OCCASIONALLY AROUND 18 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 6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET
LATE IN THE MORNING...THEN SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON BUILDING TO 3 TO 5 FEET LATE IN THE EVENING. WAVES
OCCASIONALLY AROUND 12 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 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
LHZ362-182200-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
954 AM EDT SAT OCT 18 2025
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...
REST OF TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS LATE IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS IN THE EVENING BECOMING
LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 5 TO 10 KNOTS EARLY
IN THE MORNING. 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 15 TO 20 KNOTS BECOMING SOUTH AT
35 KNOT GALES WITH GUSTS TO 40 KNOT GALES. SHOWERS. WAVES 6 TO
9 FEET BUILDING TO 12 TO 16 FEET IN THE LATE MORNING AND
AFTERNOON. WAVES OCCASIONALLY AROUND 20 FEET.
SUNDAY NIGHT
NORTHWEST AT 35 KNOT GALES DECREASING TO 30 KNOTS
IN THE LATE EVENING AND OVERNIGHT. GUSTS TO 40 KNOT GALES EARLY.
SHOWERS IN THE EVENING. WAVES 12 TO 16 FEET. WAVES OCCASIONALLY
AROUND 20 FEET.
MONDAY
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST 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 10 TO
14 FEET SUBSIDING TO 6 TO 9 FEET LATE IN THE MORNING...THEN
SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON BUILDING TO 5 TO
7 FEET LATE IN THE EVENING. WAVES OCCASIONALLY AROUND 18 FEET
EARLY.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
BECOMING WEST TO 30 KNOTS WITH GUSTS TO 35 KNOT GALES EARLY IN
THE EVENING...THEN DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS IN THE LATE EVENING AND EARLY MORNING. SHOWERS.
WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS 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.
LHZ363-462-463-182200-
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-
954 AM EDT SAT OCT 18 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
REST OF TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS LATE IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 4 TO 6
FEET. WAVES OCCASIONALLY AROUND 8 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
IN THE LATE EVENING AND EARLY MORNING...THEN INCREASING TO 10 TO
15 KNOTS EARLY IN THE MORNING. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SHOWERS AFTER MIDNIGHT. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT...THEN
BUILDING TO 3 TO 5 FEET EARLY IN THE MORNING.
SUNDAY
SOUTHEAST WINDS 20 TO 25 KNOTS BECOMING SOUTH TO
30 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS TO 35 KNOT
GALES. SHOWERS. WAVES 8 TO 12 FEET BUILDING TO 12 TO 16 FEET IN
THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY AROUND
18 FEET.
SUNDAY NIGHT
WEST WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT
GALES VEERING TO THE NORTHWEST WITH GUSTS TO 35 KNOT GALES IN THE
LATE EVENING AND OVERNIGHT. SHOWERS IN THE EVENING...THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 12 TO 16 FEET. WAVES
OCCASIONALLY AROUND 20 FEET.
MONDAY
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST 15 TO 20 KNOTS LATE IN THE MORNING...THEN
BECOMING SOUTHWEST 10 TO 15 KNOTS LATE IN THE AFTERNOON BECOMING
SOUTH 20 TO 25 KNOTS LATE IN THE EVENING. A CHANCE OF SHOWERS...
THEN SHOWERS LATE IN THE EVENING. WAVES 10 TO 14 FEET SUBSIDING
TO 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 18 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 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
UNTIL 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.
LHZ464-182200-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
954 AM EDT SAT OCT 18 2025
REST OF TODAY
SOUTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS EARLY IN THE MORNING. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET EARLY IN
THE MORNING.
SUNDAY
SOUTH WINDS TO 30 KNOTS DECREASING TO 20 TO 25 KNOTS
EARLY IN THE AFTERNOON. SHOWERS. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY AROUND 9 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS TO 30 KNOTS VEERING TO THE WEST
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 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
LHZ461-182200-
MAFOR 1815/
HURON NORTH...GALE WARNING IN EFFECT...11426 12416 12400 11306
11216 11336. A CHANCE OF THUNDERSTORMS THIS AFTERNOON. WAVES 4 TO
6 FEET. OCCASIONAL WAVE HEIGHT AROUND 8 FEET THIS AFTERNOON. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 2 TO 4 FEET
BUILDING TO 4 TO 6 FEET. OCCASIONAL WAVE HEIGHT AROUND 8 FEET
SUNDAY MORNING.
HURON SOUTH...GALE WARNING IN EFFECT...11420 11426 11416
12400 11416 11436 11446 19456. A CHANCE OF THUNDERSTORMS THIS
AFTERNOON AND TONIGHT. WAVES 3 TO 5 FEET THIS AFTERNOON. WAVES 2
TO 4 FEET TONIGHT. WAVES 6 TO 9 FEET. OCCASIONAL WAVE HEIGHT
AROUND 12 FEET SUNDAY MORNING.
MANN
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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