Great Lakes Forecast
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821
FZUS63 KDTX 091943
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
343 PM EDT Tue Sep 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...High pressure over New England maintains an average
pressure of 30.20 inches across the central Great Lakes. A weak
cold front drops across Lake Huron Wednesday night before high
pressure, 30.30 inches, fills into Ontario for the late week
period.

LHZ361-100345-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
343 PM EDT Tue Sep 9 2025

.TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to
10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.WEDNESDAY...South winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or
less.
.THURSDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming east 5 to 10 knots
late in the afternoon...then becoming light and variable late in
the evening. A chance of showers late in the evening. Waves
2 feet or less.
.SATURDAY...Light and variable winds. A chance of showers early
in the morning. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots until afternoon becoming
light and variable...then becoming east 5 to 10 knots in the late
evening and early morning. Waves 2 feet or less.


$$

LHZ362-363-100345-
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-
343 PM EDT Tue Sep 9 2025

.TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to
10 knots early in the morning. Waves 2 to 4 feet subsiding to
1 to 3 feet after midnight.
.WEDNESDAY...South winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or
less.
.THURSDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots early in the
evening becoming light and variable. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots backing to the east in the
late morning and early afternoon...then becoming light and
variable early in the evening becoming northeast 5 to 10 knots in
the late evening and early morning. A chance of showers. Waves
2 feet or less.
.SUNDAY...North winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then becoming northeast
5 to 10 knots until early morning. Waves 2 feet or less.


$$

LHZ462>464-100345-
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-
343 PM EDT Tue Sep 9 2025

.TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning...then becoming
south 5 to 10 knots early in the morning. Waves 1 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots early in the morning
becoming light and variable. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Waves 2 feet or
less.
.THURSDAY...Light and variable winds becoming north 5 to 10 knots
in the late morning and afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots becoming east 5 to
10 knots in the late evening and overnight. Waves 1 to 3 feet.
.FRIDAY...Light and variable winds becoming northeast 5 to
10 knots late in the afternoon...then veering to the southeast
late in the evening. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots veering to the north until
early morning. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots increasing to 10 to 15 knots
until early morning. Waves 1 to 3 feet building to 2 to 4 feet in
the late evening and early morning.


$$

LHZ461-100345-
MAFOR 0921/
HURON NORTH 13410 11400 13500 11400. Waves 2 to 4 feet
tonight. Waves 2 feet or less Wednesday.

HURON SOUTH 12300 15400. Waves 2 feet or less.

$$

MV

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)