Great Lakes Forecast
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730
FZUS63 KDTX 300723
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
323 AM EDT Thu Jul 30 2026

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, 30.30 inches, governs Great Lakes
conditions today and Friday. Low pressure then tracks into the
Ohio Valley this weekend, with local pressure averaging around
29.90 inches in its wake. This brings rain and isolated
thunderstorm chances to the Great Lakes Friday night and
Saturday.

LHZ361-301530-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
323 AM EDT Thu Jul 30 2026

.TODAY...Light and variable winds. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming southwest 5 to
10 knots after midnight. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. A chance of showers.
Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming north 5 to 10 knots late in
the evening. A chance of showers. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable . Waves 2 feet or less.
.MONDAY...Light and variable winds becoming southeast 5 to
10 knots by midnight. Waves 2 feet or less.


$$

LHZ362-363-301530-
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-
323 AM EDT Thu Jul 30 2026

.TODAY...Light and variable winds. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots
late in the evening...then veering to the south after midnight.
Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 5 to 10 knots early in the evening
becoming light and variable. A chance of showers in the evening...
then showers likely after midnight. Waves 2 feet or less.
.SATURDAY...Light and variable winds becoming northeast 5 to
10 knots late in the evening. Showers likely in the morning. A
chance of showers late in the morning...then a chance of showers
late in the evening. 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 decreasing to 5 to
10 knots . Waves 1 to 3 feet.
.MONDAY...Light and variable winds becoming east 5 to 10 knots by
midnight. Waves 2 feet or less.


$$

LHZ462>464-301530-
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-
323 AM EDT Thu Jul 30 2026

.TODAY...North winds 5 to 10 knots in the morning becoming light
and variable. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming south 5 to 10 knots
early in the morning. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots early in
the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Light and variable winds. A chance of showers and
thunderstorms in the evening...then showers likely and a chance
of thunderstorms after midnight. Waves 2 feet or less.
.SATURDAY...North winds 5 to 10 knots. 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 increasing to
15 to 20 knots early in the evening decreasing to 5 to 10 knots
by midnight. Waves 1 to 3 feet building to 3 to 5 feet .
.MONDAY...Northeast winds 5 to 10 knots. Waves 1 to 3 feet.


$$

LHZ461-301530-
MAFOR 3009/
HURON NORTH 11800 11100 11300 14400 11500. Waves 2 feet or
less.

HURON SOUTH 14800 11200 11300 12400. 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)