Great Lakes Forecast
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109
FZUS63 KDTX 301955
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
355 PM EDT Sat Aug 30 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, 30.20 inches, will continue to hold
over the Great Lakes through the weekend and into early next
week. This will sustain dry weather and tranquil conditions.

LHZ361-310400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
355 PM EDT Sat Aug 30 2025

.TONIGHT...West winds 5 to 10 knots in the evening becoming light
and variable. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves nearly calm.
.MONDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming south 5 to 10 knots
late in the evening. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots early in the evening...
then veering to the west in the late evening and early morning.
Showers likely. Waves 1 to 3 feet building to 4 to 6 feet. Waves
occasionally around 8 feet.
.THURSDAY...West winds 15 to 20 knots. Gusts to 30 knots until
early evening. A chance of showers. Waves 4 to 6 feet.


$$

LHZ362-363-310400-
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-
355 PM EDT Sat Aug 30 2025

.TONIGHT...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves 2 feet or less.
.MONDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming south 10 to
15 knots. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 20 to
25 knots. A chance of showers in the late morning and early
afternoon. Rain showers likely and a chance of thunderstorms
until early morning. Waves 3 to 5 feet building to 5 to 7 feet
until early morning. Waves occasionally around 10 feet.
.THURSDAY...West winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late evening and
early morning. Showers likely early in the morning. A chance of
showers until early evening. Waves 6 to 9 feet. Waves
occasionally around 12 feet.


$$

LHZ462>464-310400-
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-
355 PM EDT Sat Aug 30 2025

.TONIGHT...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.MONDAY...Light and variable winds. Waves 2 feet or less.
.MONDAY NIGHT...Light and variable winds. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming east 5 to 10 knots
late in the afternoon...then veering to the south late in the
evening. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots until early morning. A
chance of showers and thunderstorms early in the evening. Rain
showers likely and a chance of thunderstorms in the late evening
and early morning. Waves 1 to 3 feet building to 5 to 7 feet.
Waves occasionally around 10 feet.
.THURSDAY...Southwest winds 20 to 25 knots with gusts to around
30 knots becoming west 15 to 20 knots with gusts to 35 knot gales
until early morning. Showers likely early in the morning. A
chance of showers in the late morning and early afternoon. Waves
6 to 9 feet. Waves occasionally around 12 feet.


$$

LHZ461-310400-
MAFOR 3021/
HURON NORTH 11700 13600 12700 12600. Waves 2 feet or less.

HURON SOUTH 11800 11100 11500 12600 13700. Waves 2 feet or
less.

$$

SS

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)