Great Lakes Forecast
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620
FZUS63 KDTX 280748
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
348 AM EDT Thu Aug 28 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 cold front, 29.90 inches, will pull a line of
showers and some embedded thunderstorms down into Lake Erie
today. High pressure, 30.10 inches, will fill in behind the
front, settling over the Great Lakes by tomorrow afternoon.

LHZ361-281600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
348 AM EDT Thu Aug 28 2025

.TODAY...North winds 10 to 15 knots. A chance of showers in the
morning. Waves 2 to 4 feet.
.TONIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet early in the morning.
.FRIDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
northwest early in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Waves 2 feet or
less.
.SATURDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves 2 feet or less.


$$

LHZ362-363-281600-
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-
348 AM EDT Thu Aug 28 2025

.TODAY...West winds 10 to 15 knots becoming north 15 to 20 knots
in the late morning and afternoon. Showers likely and a chance of
thunderstorms in the morning. A chance of waterspouts. Waves 4 to
6 feet building to 6 to 9 feet late in the afternoon. Waves
occasionally around 12 feet.
.TONIGHT...North winds 15 to 20 knots decreasing to 10 to
15 knots early in the morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.FRIDAY...North winds 10 to 15 knots. Waves 3 to 5 feet.
.FRIDAY NIGHT...North winds 5 to 10 knots backing to the
northwest after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SATURDAY...Northwest winds 5 to 10 knots becoming light and
variable...then becoming southeast 5 to 10 knots late in the
evening. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots early in the morning becoming
light and variable. Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves 2 feet or less.


$$

LHZ462>464-281600-
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-
348 AM EDT Thu Aug 28 2025

.TODAY...West winds 15 to 20 knots veering to the north with
gusts to around 30 knots late in the afternoon. Showers and a
chance of thunderstorms in the morning...then showers likely and
a chance of thunderstorms in the afternoon. A chance of
waterspouts. Waves 3 to 5 feet building to 6 to 9 feet late in
the afternoon. Waves occasionally around 12 feet.
.TONIGHT...North winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the morning. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.FRIDAY...North winds 10 to 15 knots. Waves 3 to 5 feet.
.FRIDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning...then backing to
the northwest after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...Northwest winds 5 to 10 knots becoming light and
variable. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming northeast 5 to
10 knots in the late evening and early morning. Waves 2 feet or
less.


$$

LHZ461-281600-
MAFOR 2809/
HURON NORTH 11716 12810 14820 11810. A chance of waterspouts
this morning. Waves 2 to 4 feet.

HURON SOUTH 12626 11820 11830 13820 11810. A chance of
waterspouts today. A chance of thunderstorms this morning. Waves
3 to 5 feet subsiding to 2 to 4 feet...THEN building to 5 to 7
feet. Occasional wave height around 10 feet today. Waves 3 to 5
feet tonight.

$$

TF

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)