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FZUS63 KDTX 040141
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
941 PM EDT Sun Aug 3 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, around 30.20 inches, will slowly weaken
over the Great Lakes through tonight. Another high pressure
system then eases over Hudson Bay Monday-Tuesday, gradually
building to 30.40 inches by Tuesday morning.

LHZ361-362-040945-
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-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots this evening
becoming light and variable. Areas of smoke. Waves 2 feet or
less.
.MONDAY...Light and variable winds. Waves 2 feet or less.
.MONDAY NIGHT...Light and variable winds becoming northeast 5 to
10 knots in the late evening and early morning...then becoming
light and variable after midnight. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and early afternoon...then becoming light and
variable early in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Light and variable winds becoming east 5 to
10 knots after midnight. Waves 2 feet or less.
.WEDNESDAY...East winds 5 to 10 knots veering to the southeast
late in the evening. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots until early morning. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots until early morning. Waves 1 to 3 feet.


$$

LHZ363-040945-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...Light and variable winds. Areas of smoke.
Waves 2 feet or less.
.MONDAY...Light and variable winds. Areas of smoke. Waves 2 feet
or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.WEDNESDAY...East winds 5 to 10 knots veering to the southeast
late in the evening. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning. Waves 2 feet or
less.
.FRIDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
until early evening...then increasing to 10 to 15 knots in the
late evening and early morning. Waves 1 to 3 feet.


$$

LHZ462>464-040945-
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-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...Light and variable winds. Areas of smoke.
Waves 2 feet or less.
.MONDAY...Light and variable winds becoming north 5 to 10 knots
late in the afternoon. Areas of smoke. Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.TUESDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots veering to the
east after midnight. Waves 2 feet or less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Waves 1 to 3 feet.


$$

LHZ461-040945-
MAFOR 0403/
HURON NORTH 11600 11700 12800 11200 12300 11200. Waves 2
feet or less.

HURON SOUTH 11400 11700 11100 11300 11200 13100. Waves 2
feet or less.

$$

MR

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)