NZUS99 KDTX 170905
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
505 AM EDT Mon Aug 17 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...An area of low pressure, 29.80 inches, is tracking east across
Ontario this afternoon and will pull a cold front across the central
Great Lakes region late this evening. This cold front brings in a 6-
8 hour bout of 20-25 knot northwest winds tonight into early Monday
morning and chances for thunderstorms this afternoon and evening.
High pressure, 30.20 inches, builds in behind the front for Monday
and most of Tuesday.
LHZ361-171400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
506 AM EDT Mon Aug 17 2026
.Today...
Weather.............Mostly sunny.
Sfc winds...........Northwest 5 to 10 knots becoming west in the
afternoon.
100-ft winds........Northwest 10 to 15 knots becoming west in the
afternoon.
Sig waves...........2 to 4 feet.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northwest 5 to 10 knots becoming southwest
after midnight.
100-ft winds........Northwest 10 to 15 knots becoming southwest
after midnight.
Sig waves...........1 to 3 feet.
.TUESDAY...
Weather.............Mostly sunny, then chance of showers and
thunderstorms in the afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.TUESDAY NIGHT...
Weather.............Partly cloudy with chance of showers.
Sfc winds...........Northwest 10 to 15 knots.
100-ft winds........Northwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers in the morning. Southwest winds
10 to 15 knots. Waves 2 to 4 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 5 to
10 knots. Waves 2 to 4 feet.
$$
LHZ362-363-171400-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
506 AM EDT Mon Aug 17 2026
.Today...
Weather.............Mostly sunny.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........4 to 6 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 7 feet in the morning.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........Light and variable winds becoming west 5 to 10
knots after midnight.
100-ft winds........Light and variable winds becoming west 10 to 15
knots after midnight.
Sig waves...........1 to 3 feet.
.TUESDAY...
Weather.............Mostly sunny, then chance of showers in the
afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then mostly cloudy with chance
of showers after midnight.
Sfc winds...........South 10 to 15 knots becoming northwest after
midnight.
100-ft winds........South 15 to 20 knots becoming northwest after
midnight.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers in the morning. Southwest winds
10 to 15 knots. Waves 2 to 4 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 5 to
10 knots. Waves 2 to 4 feet.
$$
LHZ462>464-171400-
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 AM EDT Mon Aug 17 2026
.Today...
Weather.............Partly sunny.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Partly cloudy.
Sfc winds...........North 5 to 10 knots in the evening becoming
light and variable.
100-ft winds........North 10 to 15 knots in the evening becoming
light and variable.
Sig waves...........2 to 4 feet.
.TUESDAY...
Weather.............Mostly sunny.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.TUESDAY NIGHT...
Weather.............Partly cloudy with chance of showers and
thunderstorms, then showers likely after
midnight.
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.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...Chance of showers in the morning. Southwest winds
10 to 15 knots. Waves 2 to 4 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. Southeast winds 5 to
10 knots. Waves 2 to 4 feet.
$$
LHZ461-171400-
MAFOR 1709/
HURON NORTH 12800 14700 11600 11500. Waves 1 to 3 feet.
HURON SOUTH 11810 14800 11800 11700 11500. Waves 3 to 5 feet
subsiding to 1 to 3 feet today. Waves 2 feet or less tonight.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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