996
FZUS63 KDTX 201348
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
948 AM EDT Thu Aug 20 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, 30.00 inches, builds into the Great
Lakes through the end of the work week maintaining light winds. A
cold front then sweeps across the area Friday into Saturday,
bringing the next opportunity for showers and thunderstorms.

LHZ361>363-202200-
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-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
948 AM EDT Thu Aug 20 2026

.REST OF TODAY...Light and variable winds. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots
by midnight...then veering to the southeast early in the morning.
Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots becoming southeast 10 to
15 knots in the late morning and afternoon. Waves 1 to 3 feet
building to 3 to 5 feet early in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. A chance of
waterspouts after midnight. Waves 2 to 4 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming northwest
10 to 15 knots late in the afternoon...then increasing to 15 to
20 knots late in the evening. Showers...then a chance of showers
late in the afternoon. A chance of waterspouts late in the
morning. Waves 1 to 3 feet building to 4 to 6 feet late in the
afternoon. Waves occasionally around 8 feet.
.SUNDAY...Northwest winds 15 to 20 knots increasing to 20 to
25 knots early in the evening...then decreasing to 15 to 20 knots
by midnight. Gusts to 30 knots. A chance of showers early in the
morning. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. Waves 3 to 5 feet.


$$

LHZ462>464-202200-
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-
948 AM EDT Thu Aug 20 2026

.REST OF TODAY...Light and variable winds becoming north 5 to
10 knots late in the afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots veering to the east
early in the morning. Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY NIGHT...East winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening and overnight. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots veering to the northwest
late in the afternoon...then increasing to 15 to 20 knots late in
the evening. A chance of showers in the morning...then showers
and a chance of thunderstorms late in the morning. A chance of
showers late in the evening. A chance of waterspouts. Waves 1 to
3 feet building to 4 to 6 feet late in the evening. Waves
occasionally around 8 feet.
.SUNDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots until
early evening. A chance of showers. A chance of thunderstorms
early in the evening. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots . Waves 3 to 5 feet subsiding to 1 to 3 feet by
midnight.


$$

LHZ461-202200-
MAFOR 2015/
HURON NORTH 11800 11600 14400 11400 11410. Waves 2 feet or
less.

HURON SOUTH 11100 11800 12100 11200 13300. Waves 2 feet or
less.

$$

TF

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)