Great Lakes Forecast
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775
FZUS63 KDTX 091942
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
342 PM EDT Sat Aug 9 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...A dissipating cold front will wash out over the
Central Great Lakes tomorrow, thus southerly winds will generally
hold. A second stronger cold front will pass through early next,
bringing showers and thunderstorms along with a cooler airmass
for the mid week period as winds flip to the northwest.

LHZ361-100345-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
342 PM EDT Sat Aug 9 2025

.TONIGHT...Southwest winds 10 to 20 knots, becoming south at 10
to 15 knots. Waves 2 to 4 feet.
.SUNDAY...South winds 5 to 15 knots backing to the southeast late
in the afternoon. A chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 5 to 10 knots early in the evening
becoming light and variable. A chance of showers and
thunderstorms in the evening...then a chance of showers after
midnight. Waves 1 to 3 feet.
.MONDAY...South winds 5 to 10 knots until late afternoon becoming
light and variable. A chance of showers and thunderstorms in the
morning...then showers likely and a chance of thunderstorms in
the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Light and variable winds. Showers likely and a
chance of thunderstorms in the evening...then a chance of showers
and thunderstorms after midnight. Waves 2 feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots veering to the northwest in
the late evening and early morning. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots veering to the east. Waves
2 feet or less.


$$

LHZ362-363-462-100345-
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-
342 PM EDT Sat Aug 9 2025

.TONIGHT...South winds 15 to 20 knots. Waves 3 to 5 feet.
.SUNDAY...South winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. A chance of showers and thunderstorms in
the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...South winds 5 to 10 knots. A chance of showers
and thunderstorms in the evening...then a chance of showers after
midnight. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers. A
chance of thunderstorms late in the morning. Waves 2 feet or
less.
.WEDNESDAY...West winds 5 to 10 knots veering to the north until
early morning. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ463-464-100345-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
342 PM EDT Sat Aug 9 2025

.TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.MONDAY...South winds 5 to 10 knots. Waves 1 to 3 feet.
.MONDAY NIGHT...South winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers in
the morning...then a chance of showers and thunderstorms. Waves
2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots veering to the north until
early morning. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ461-100345-
MAFOR 0921/
HURON NORTH 14410 11410 11400 12410. A chance of showers Sunday
afternoon. Waves 2 to 4 feet.

HURON SOUTH 11410 11420 13410 11400 12410. Waves 2 to 4 feet.

$$

SF

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)