566
FZUS63 KDTX 311938
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
338 PM EDT Thu Jul 31 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 30.40 inches gradually expands
into the region from the north and west this evening into Friday
before taking residence overhead through this weekend.

LHZ361-010345-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
338 PM EDT Thu Jul 31 2025

.TONIGHT...North winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY...North winds 5 to 10 knots early in the morning becoming
light and variable. Waves 2 feet or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming light and variable.
Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming east 5 to 10 knots.
Waves 2 feet or less.


$$

LHZ362-363-010345-
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-
338 PM EDT Thu Jul 31 2025

.TONIGHT...North winds 10 to 15 knots decreasing to 5 to 10 knots
early in the morning. Waves 3 to 5 feet subsiding to 2 to 4 feet
early in the morning.
.FRIDAY...North winds 5 to 10 knots until late afternoon becoming
light and variable. Waves 1 to 3 feet.
.FRIDAY NIGHT...Light and variable winds becoming west 5 to
10 knots after midnight. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.SATURDAY NIGHT...Light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. Waves 2 feet or
less.
.SUNDAY...West winds 5 to 10 knots in the morning becoming light
and variable. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots in
the late evening and early morning. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots backing to the northeast
in the late evening and early morning. Waves 2 feet or less.


$$

LHZ462>464-010345-
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-
338 PM EDT Thu Jul 31 2025

.TONIGHT...Northeast winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.FRIDAY...Northeast winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.FRIDAY NIGHT...North winds 5 to 10 knots until early morning
becoming light and variable. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SATURDAY...West winds 5 to 10 knots until late afternoon
becoming light and variable. Waves 2 feet or less.
.SATURDAY NIGHT...Light and variable winds becoming southwest
5 to 10 knots after midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots in the morning becoming light
and variable...then becoming south 5 to 10 knots late in the
evening. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming north 5 to 10 knots
early in the evening...then veering to the east in the late
evening and early morning. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots backing to the northeast
until early morning. Waves 2 feet or less.


$$

LHZ461-010345-
MAFOR 3121/
HURON NORTH 11700 12800 11100 12200 11800 11700. Waves 2
feet or less.

HURON SOUTH 11120 14110 12100 11800. Waves 3 to 5 feet
subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet Friday.

$$

DRK

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)