NZUS99 KDTX 210306
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1106 PM EDT Mon Apr 20 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...Gusty south wind precedes a weak disturbance that passes through the
region tonight. This system brings a chance of showers and storms
across the south and is followed by a weak area of high pressure on
Wednesday. A warm front then slowly lifts into the area late
Thursday into Friday as the parent low pressure stalls over the
upper Midwest.
LHZ361>363-210800-
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-
1106 PM EDT Mon Apr 20 2026
.Overnight...
Weather.............Mostly cloudy.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
.TUESDAY...
Weather.............Mostly sunny.
Sfc winds...........South 20 to 25 knots decreasing to 10 to 15
knots in the afternoon.
100-ft winds........South to 30 knots decreasing to 15 to 20 knots
in the afternoon.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.TUESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northeast 5 to 10 knots.
100-ft winds........Northeast 10 to 15 knots.
Sig waves...........4 to 6 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 7 feet in the evening.
.WEDNESDAY...
Weather.............Sunny.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........2 to 4 feet.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........North 5 to 10 knots becoming east after
midnight.
100-ft winds........North 10 to 15 knots becoming east after
midnight.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...East winds 10 to 15 knots. Waves 4 to 6 feet.
.FRIDAY...Chance of showers in the afternoon. showers likely in
the evening, then chance of showers after midnight. East winds
10 to 15 knots. Waves 5 to 7 feet.
.SATURDAY...Chance of showers in the morning. North winds 10 to
15 knots. Waves 4 to 6 feet.
$$
LHZ462>464-210800-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
1106 PM EDT Mon Apr 20 2026
.Overnight...
Weather.............Partly cloudy.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........2 to 4 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 8 feet after
midnight.
.TUESDAY...
Weather.............Mostly cloudy with chance of sprinkles, then
mostly sunny in the afternoon.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 10 feet.
.TUESDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........South 5 to 10 knots.
100-ft winds........South 10 to 15 knots becoming north 15 to 20
knots after midnight.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 5 feet in the evening.
.WEDNESDAY...
Weather.............Sunny.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........2 to 4 feet.
.WEDNESDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........North 5 to 10 knots in the evening becoming
light and variable.
100-ft winds........North 10 to 15 knots in the evening becoming
light and variable.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...East winds 10 to 15 knots. Waves 4 to 6 feet.
.FRIDAY...Chance of showers in the afternoon. showers likely in
the evening, then chance of showers after midnight. East winds
10 to 15 knots. Waves 5 to 7 feet.
.SATURDAY...Chance of showers in the morning. North winds 10 to
15 knots. Waves 4 to 6 feet.
$$
LHZ461-210800-
MAFOR 2103/
HURON NORTH 11420 13430 11420 11410 11500 11700. Waves 3 to
5 feet building to 5 to 7 feet. Occasional wave height around 10
feet overnight. Waves 5 to 7 feet. Occasional wave height around
10 feet Tuesday. Waves 2 to 4 feet Tuesday evening.
HURON SOUTH 14420 11420 11410 11400 11300. Waves 3 to 5 feet
overnight. Waves 4 to 6 feet Tuesday. Waves 2 to 4 feet.
Occasional wave height around 8 feet Tuesday evening.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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