409
FZUS63 KDTX 031957
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
357 PM EDT Wed Sep 3 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, 29.40 inches, over eastern Lake Superior
will lift northeast this evening pulling a cold front through
Lake Huron. A second low pressure system will drop into southern
MN out of Canada Thursday evening before lifting northeast
through the northern Great Lakes on Friday afternoon. The low
will deepen to around 29.30 inches and will likely bring a round
of gales on Friday.

LHZ361-040400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
357 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 15 to 20 knots. A chance of showers in the
evening. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.THURSDAY...West winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots becoming south
15 to 20 knots after midnight. Showers after midnight. Waves 3 to
5 feet.
.FRIDAY...South winds 20 to 25 knots increasing to 30 knots in
the late morning and early afternoon...then veering to the west
early in the afternoon. Gusts to 40 knot gales. Showers. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.FRIDAY NIGHT...West winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots with gusts to around 30 knots
in the late evening and overnight. A chance of showers in the
evening. Waves 10 to 14 feet subsiding to 5 to 7 feet in the late
evening and overnight. Waves occasionally around 18 feet.
.SATURDAY...West winds 15 to 20 knots becoming northwest 5 to
10 knots. A chance of showers. Waves 3 to 5 feet subsiding to
1 to 3 feet late in the evening.
.SUNDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning. Waves 1 to 3 feet
building to 2 to 4 feet until early morning.
.MONDAY...West winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then becoming light and
variable early in the evening becoming south 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.


$$

LHZ362-363-462-040400-
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-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
357 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...Southwest winds 15 to 20 knots veering to the west
after midnight. A chance of waterspouts in the evening. Showers
and a chance of thunderstorms in the evening...then a chance of
showers after midnight. Waves 4 to 6 feet.
.THURSDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. A chance of showers
in the morning. Waves 3 to 5 feet. Waves occasionally around
8 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. A chance of showers after
midnight. Waves 3 to 5 feet.
.FRIDAY...South winds to 30 knots becoming southwest at 35 knot
gales in the late morning and afternoon. Gusts to 40 knot gales.
A chance of showers. Waves 10 to 14 feet. Waves occasionally
around 18 feet. A gale warning may be needed.
.FRIDAY NIGHT...West winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots in the late evening and
overnight. Waves 10 to 14 feet subsiding to 6 to 9 feet in the
late evening and overnight. Waves occasionally around 18 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. A chance of showers. Waves 4 to
6 feet subsiding to 2 to 4 feet late in the evening. Waves
occasionally around 8 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast until early morning. Waves 1 to 3 feet.


$$

LHZ463-464-040400-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
357 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. A chance of
waterspouts in the evening. Showers. Waves 2 to 4 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. A chance of showers in the morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 1 to
3 feet building to 2 to 4 feet after midnight.
.FRIDAY...South winds 20 to 25 knots becoming southwest to
30 knots in the late morning and afternoon. Gusts to 40 knot
gales. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.FRIDAY NIGHT...West winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 10 to 15 knots. Waves 6 to 9 feet subsiding
to 3 to 5 feet in the late evening and overnight. Waves
occasionally around 12 feet.
.SATURDAY...West winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet
late in the evening.
.SUNDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots until early morning. Waves 1 to 3 feet.
.MONDAY...Northwest winds 5 to 10 knots veering to the east in
the late evening and early morning. Waves 2 feet or less.


$$

LHZ461-040400-
MAFOR 0321/
HURON NORTH 12626 12720 14610. A chance of waterspouts this
evening. A chance of thunderstorms this evening. Waves 3 to 5
feet.

HURON SOUTH 11526 11626 11616 12716 11710 12610. A chance of
thunderstorms this evening. Waves 3 to 5 feet subsiding to 2 to 4
feet tonight. Waves 2 to 4 feet Thursday.

$$

DRK

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)