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172
FZUS63 KDTX 251304
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
904 AM EDT Mon Aug 25 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...Cooler conditions prevail today with continued chances
for showers and thunderstorms along with waterspout potential
give the colder airmass. Northwest winds will be gusting over 30
knots and occasionally at gales this afternoon and evening across
northern Lake Huron. Stray shower possible again on Tuesday while
gusts remain elevated to around 20 knots both Tuesday and
Wednesday.

LHZ361-362-252115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
904 AM EDT Mon Aug 25 2025

.REST OF TODAY...Northwest winds 20 to 25 knots with gusts to
around 30 knots. A chance of showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots after midnight. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.TUESDAY...Northwest winds 15 to 20 knots. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. Waves 3 to
5 feet.
.WEDNESDAY...West winds 10 to 15 knots backing to the southwest
late in the morning...then becoming west 15 to 20 knots late in
the evening. A chance of showers late in the afternoon. A chance
of waterspouts late in the afternoon. Waves 2 to 4 feet.
.THURSDAY...West winds 15 to 20 knots veering to the north in the
late morning and early afternoon...then decreasing to 10 to
15 knots early in the evening increasing to 15 to 20 knots in the
late evening and early morning. A chance of waterspouts early in
the morning. A chance of showers early in the morning. Waves 3 to
5 feet subsiding to 2 to 4 feet in the late evening and early
morning.
.FRIDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
until early morning. Waves 1 to 3 feet.

$$

LHZ363-462-252115-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
904 AM EDT Mon Aug 25 2025

.REST OF TODAY...West winds 15 to 20 knots with gusts to 25 knots.
A chance of showers. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.TONIGHT...Northwest winds 15 to 20 knots. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Waves 4 to 6 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 3 to
5 feet. Waves occasionally around 8 feet.
.WEDNESDAY...West winds 10 to 15 knots backing to the southwest
late in the afternoon...then increasing to 15 to 20 knots late in
the evening. A chance of showers late in the evening. Waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon...then
building to 3 to 5 feet late in the evening.
.THURSDAY...West winds 15 to 20 knots veering to the north until
early morning. A chance of waterspouts early in the morning. A
chance of showers. Waves 3 to 5 feet.
.FRIDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots
until early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet
until early morning.

$$

LHZ463-464-252115-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
904 AM EDT Mon Aug 25 2025

.REST OF TODAY...West winds 10 to 20 knots. A chance of showers.
Waves 3 to 5 feet.
.TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Waves 4 to 6 feet.
.TUESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then becoming southwest 10 to
15 knots late in the afternoon increasing to 15 to 20 knots late
in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet late
in the morning...then building to 2 to 4 feet late in the
evening.
.THURSDAY...West winds 15 to 20 knots veering to the north until
early morning. A chance of showers early in the morning...then
showers likely in the late morning and early afternoon. Waves
2 to 4 feet.
.FRIDAY...North winds 10 to 15 knots increasing to 15 to 20 knots
until early evening...then decreasing to 10 to 15 knots in the
late evening and early morning. Waves 2 to 4 feet.

$$

LHZ461-252115-
MAFOR 2515/
HURON NORTH 14730 11720 12710 11720. A chance of waterspouts
this afternoon. A chance of showers this afternoon. Waves 6 to 9
feet. Occasional wave height around 12 feet this afternoon. Waves
5 to 7 feet subsiding to 3 to 5 feet. Occasional wave height
around 10 feet tonight. Waves 2 to 4 feet Tuesday morning.

HURON SOUTH 11620 11726 15720. Waves 3 to 5 feet this
afternoon. Waves 5 to 7 feet. Occasional wave height around 10
feet tonight and Tuesday morning.

$$

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)