NZUS99 KDTX 182106
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 PM EDT Tue Aug 18 2026
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...A cold front will then push across the region from north to south
this evening. This will bring showers and thunderstorms and will
veer winds from southwest to northwest in the wake of the front.
High pressure, 30.00 inches, will fill in behind the front through
the midweek period.
LHZ361-190200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
506 PM EDT Tue Aug 18 2026
.Tonight...
Weather.............Mostly cloudy with chance of showers and slight
chance of thunderstorms, then partly cloudy
after midnight.
Sfc winds...........West 10 to 15 knots becoming northwest after
midnight.
100-ft winds........West 15 to 20 knots becoming northwest after
midnight.
Sig waves...........2 to 4 feet.
.WEDNESDAY...
Weather.............Sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........West 5 to 10 knots becoming south in the
afternoon.
100-ft winds........West 10 to 15 knots becoming south in the
afternoon.
Sig waves...........2 feet or less.
.THURSDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northeast 5 to 10 knots becoming south after
midnight.
100-ft winds........Northeast 10 to 15 knots becoming south after
midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Chance of showers. slight chance of thunderstorms.
Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Showers likely. chance of thunderstorms in the
afternoon, then chance of showers. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
.SUNDAY...Chance of showers in the morning. Northwest winds 15 to
20 knots. Waves 5 to 7 feet.
$$
LHZ362-363-190200-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
506 PM EDT Tue Aug 18 2026
.Tonight...
Weather.............Showers likely with a chance of thunderstorms,
then mostly cloudy with chance of showers and
slight chance of thunderstorms after midnight.
Sfc winds...........South 10 to 15 knots becoming northwest after
midnight.
100-ft winds........South 15 to 20 knots becoming northwest after
midnight.
Sig waves...........2 to 4 feet.
.WEDNESDAY...
Weather.............Mostly sunny.
Sfc winds...........North 10 to 15 knots becoming west 5 to 10
knots in the afternoon.
100-ft winds........North 15 to 20 knots becoming west 10 to 15
knots in the afternoon.
Sig waves...........2 to 4 feet.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........2 to 4 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........1 to 3 feet.
.THURSDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Chance of showers. slight chance of thunderstorms.
Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Showers likely. chance of thunderstorms in the
afternoon, then chance of showers. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
.SUNDAY...Chance of showers in the morning. Northwest winds 15 to
20 knots. Waves 5 to 7 feet.
$$
LHZ462>464-190200-
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-
506 PM EDT Tue Aug 18 2026
.Tonight...
Weather.............Mostly cloudy with chance of showers and
thunderstorms.
Sfc winds...........South 10 to 15 knots becoming west after
midnight.
100-ft winds........South 15 to 20 knots becoming west after
midnight.
Sig waves...........2 to 4 feet.
.WEDNESDAY...
Weather.............Mostly sunny with chance of showers, then
mostly sunny in the afternoon.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........2 to 4 feet.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 5 to 10 knots.
100-ft winds........Northeast 10 to 15 knots.
Sig waves...........1 to 3 feet.
.THURSDAY...
Weather.............Sunny.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........1 to 3 feet.
.THURSDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Northeast 5 to 10 knots becoming southeast 10
to 15 knots after midnight.
100-ft winds........Northeast 10 to 15 knots becoming southeast 15
to 20 knots after midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...Chance of showers. slight chance of thunderstorms.
Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY...Showers likely. chance of thunderstorms in the
afternoon, then chance of showers. Southeast winds 10 to
15 knots. Waves 3 to 5 feet.
.SUNDAY...Chance of showers in the morning. Northwest winds 15 to
20 knots. Waves 5 to 7 feet.
$$
LHZ461-190200-
MAFOR 1821/
HURON NORTH 11506 14700 11700 11600 11700. A chance of
thunderstorms this evening. Waves 2 feet or less.
HURON SOUTH 11410 11606 11706 11700 11806 11800 11700
11600. A chance of thunderstorms tonight. Waves 2 feet or less.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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