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FZUS63 KDTX 040724
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
324 AM EDT Thu Sep 4 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...High pressure briefly fills in today before a low
pressure system, 29.20 inches, pivots over Lake Michigan tonight.
The system then lifts into The Straits on Friday offering
widespread gusts to gales for Lake Huron. Potential exists for
some showers, mainly over the northern half of Lake Huron.

LHZ361-041530-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
324 AM EDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...West winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. Waves 3 to 5 feet.
.TONIGHT...Southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the morning. Showers after midnight. Waves 3 to
5 feet.
.FRIDAY...South winds 20 to 25 knots 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 15 to 20 knots. Gusts to 35 knot gales
early in the evening. 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 10 to 15 knots becoming northwest 5 to
10 knots late in the evening. A chance of showers. Waves 3 to
5 feet subsiding to 1 to 3 feet late in the evening.
.SUNDAY...West winds 5 to 10 knots becoming northwest 10 to
15 knots. A chance of showers early in the 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 until
early morning. Waves 2 feet or less.


$$

LHZ362-363-462-041530-
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-
324 AM EDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...West winds 10 to 15 knots. Waves 3 to 5 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. A chance of showers after
midnight. Waves 2 to 4 feet building to 4 to 6 feet early in the
morning. Waves occasionally around 8 feet.
.FRIDAY...Southwest winds to 30 knots with gusts to 40 knot
gales. A chance of showers. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. A chance of showers in the evening. Waves
10 to 14 feet subsiding to 6 to 9 feet in the late evening and
overnight. Waves occasionally around 18 feet.
.SATURDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers late in the morning. Waves 3 to
5 feet.
.SUNDAY...Northwest winds 10 to 15 knots. A chance of showers
early in the morning. Waves 2 to 4 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots until early evening...then backing to the south in the
late evening and early morning. Waves 1 to 3 feet.


$$

LHZ463-464-041530-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
324 AM EDT Thu Sep 4 2025

...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
EVENING...

.TODAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon.
.TONIGHT...West winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Waves 1 to 3 feet
building to 2 to 4 feet early in the morning.
.FRIDAY...South winds 20 to 25 knots increasing to 30 knots in
the late morning and early afternoon...then becoming southwest
20 to 25 knots early in the afternoon. Gusts to 35 knot gales.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots after midnight. 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. 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 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the northwest 5 to 10 knots early in the evening veering to
the southeast in the late evening and early morning. Waves 2 feet
or less.


$$

LHZ461-041530-
MAFOR 0409/
HURON NORTH 11620 13610 11600 12510 11520. Waves 3 to 5 feet
today. Waves 2 to 4 feet tonight.

HURON SOUTH 12710 12600 11610 12510 11520. Waves 2 to 4 feet.

$$

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)