708
FZUS63 KDTX 030756
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
356 AM 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, 29.60 inches, is forecast to develop
over western Lake Superior today. This system will move into
northern Ontario while driving a strong cold front across Lake
Huron tonight triggering showers and a few thunderstorms. Much
cooler air will advance across the Great Lakes in the wake of this
system and persist into the weekend.

LHZ361-031600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
356 AM EDT Wed Sep 3 2025

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


$$

LHZ362-363-031600-
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-
356 AM EDT Wed Sep 3 2025

.TODAY...South winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots early in the afternoon...then
decreasing to 15 to 20 knots with gusts to around 30 knots late
in the afternoon. A chance of showers. A chance of waterspouts in
the afternoon. Waves 3 to 5 feet building to 4 to 6 feet late in
the afternoon. Waves occasionally around 8 feet.
.TONIGHT...Southwest winds 15 to 20 knots veering to the west
after midnight. A chance of waterspouts in the evening. Showers
in the evening...then a chance of showers after midnight. Waves 4
to 6 feet. Waves occasionally around 8 feet.
.THURSDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots becoming south
15 to 20 knots with gusts to around 30 knots after midnight. A
chance of showers after midnight. Waves 2 to 4 feet.
.FRIDAY...South at 35 knot gales with gusts to 45 knot gales
becoming west 20 to 25 knots with gusts to 40 knot gales late in
the afternoon...then decreasing to 15 to 20 knots late in the
evening. A chance of showers. A chance of waterspouts late in the
morning. Waves 8 to 12 feet subsiding to 4 to 6 feet late in the
evening. Waves occasionally around 15 feet. A gale warning may be
needed.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. A chance of showers. Waves 4 to
6 feet.
.SUNDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and early morning. Waves 2 to
4 feet. Waves occasionally around 8 feet.


$$

LHZ462>464-031600-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
356 AM EDT Wed Sep 3 2025

.TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. A chance of waterspouts in the afternoon. Waves
2 to 4 feet.
.TONIGHT...South winds 15 to 20 knots becoming southwest 10 to
15 knots in the late evening and early morning...then becoming
west 15 to 20 knots early in the morning. A chance of waterspouts
in the evening. Showers. Waves 3 to 5 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots becoming south
15 to 20 knots after midnight. A chance of showers after
midnight. Waves 2 to 4 feet.
.FRIDAY...South winds to 30 knots with gusts to 40 knot gales
becoming west 20 to 25 knots with gusts to 40 knot gales late in
the afternoon...then decreasing to 15 to 20 knots late in the
evening. A chance of showers in the morning. Waves 5 to 7 feet.
Waves occasionally around 10 feet. A gale warning may be
needed.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. Waves 3 to 5 feet.
.SUNDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots until early morning. Waves 2 to 4 feet subsiding to 1 to
3 feet until early morning.


$$

LHZ461-031600-
MAFOR 0309/
HURON NORTH 11410 11420 12436 11526 11626 11726 11720. A
chance of waterspouts this afternoon and evening. A chance of
thunderstorms this afternoon and evening. Waves 1 to 3 feet
building to 3 to 5 feet today. Waves 3 to 5 feet tonight.

HURON SOUTH 12410 12420 11520 11526 11716 11726. A chance of
waterspouts this afternoon and evening. 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)