159
FZUS63 KDTX 020733
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
333 AM EDT Tue Sep 2 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, 30.20 inches, will persist across the
eastern Great Lakes today and tonight. Low pressure, 29.60
inches, is forecast to develop over western Lake Superior
Wednesday. This system will drive a strong cold front across Lake
Huron Wednesday night as it lifts into northern Ontario,
triggering showers and a few thunderstorms. Much cooler air will
advance across the Great Lakes in the wake of this system and
will persist across the area into the weekend.

LHZ361-021545-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
333 AM EDT Tue Sep 2 2025

.TODAY...South winds 5 to 10 knots early in the morning becoming
light and variable...then becoming east 5 to 10 knots late in the
afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots veering to the south
after midnight. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots. A chance of showers in
the morning...then showers and a chance of thunderstorms in the
afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west in the late evening and early morning...then becoming
northwest 15 to 20 knots after midnight. Showers and a chance of
thunderstorms in the evening...then a chance of showers after
midnight. Waves 3 to 5 feet.
.THURSDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots late in the evening. A chance of showers in the morning.
Rain showers likely late in the evening. Waves 3 to 5 feet.
.FRIDAY...South winds 15 to 20 knots with gusts to around
30 knots veering to the west with gusts to around 30 knots early
in the evening...then decreasing to 10 to 15 knots in the late
evening and early morning. Showers early in the morning. A chance
of showers early in the evening. Waves 3 to 5 feet.
.SATURDAY...West winds 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots in the late evening
and early morning. A chance of showers until afternoon. Waves
5 to 7 feet. Waves occasionally around 10 feet.


$$

LHZ362-363-021545-
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-
333 AM EDT Tue Sep 2 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Waves 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. A chance of showers
in the afternoon. Waves 3 to 5 feet building to 4 to 6 feet early
in the afternoon. Waves occasionally around 8 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots becoming southwest
15 to 20 knots in the late evening and overnight. Showers. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.THURSDAY...West winds 15 to 20 knots backing to the southwest
late in the afternoon. A chance of showers late in the evening.
Waves 4 to 6 feet.
.FRIDAY...Southwest winds 20 to 25 knots with gusts to around
30 knots becoming west 15 to 20 knots with gusts to around
30 knots until early morning. A chance of showers. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. A chance of
showers early in the evening. Waves 5 to 7 feet. Waves
occasionally around 10 feet.


$$

LHZ462>464-021545-
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-
333 AM EDT Tue Sep 2 2025

.TODAY...Light and variable winds. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots veering to the southeast late
in the evening...then becoming south 10 to 15 knots after
midnight. Waves 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots becoming southwest
15 to 20 knots in the late evening and overnight. Showers likely
and a chance of thunderstorms in the evening...then showers and a
chance of thunderstorms 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. Showers in the morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.FRIDAY...South winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots in the late morning and early
afternoon...then becoming west 15 to 20 knots with gusts to
around 30 knots until early morning. A chance of showers. Waves
3 to 5 feet.
.SATURDAY...West winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. Waves 4 to
6 feet.


$$

LHZ461-021545-
MAFOR 0209/
HURON NORTH 15400 11400 11410. Waves 2 feet or less.

HURON SOUTH 11400 12500 11400 12300 12410. Waves 2 feet or
less today. Waves 2 feet or less building to 1 to 3 feet tonight.

$$

SC

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)