NZUS99 KDTX 051506
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1106 AM EDT Sun Apr 5 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...Departing low pressure ushers in a cooler air mass on gusty westerly
wind today with gales forecast across northern Lake Huron. A weak
clipper system tracks through Monday into early Tuesday, followed by
high pressure Tuesday night. The next low organizes over the upper
Midwest Wednesday, sending a cold front through on Thursday.
LHZ361-362-052000-
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-
1106 AM EDT Sun Apr 5 2026
...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...
.This Afternoon...
Weather.............Mostly cloudy with a slight chance of snow.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 20 to 25 knots decreasing to 10 to 15
knots after midnight.
100-ft winds........Northwest to 30 knots decreasing to 15 to 20
knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 13 feet.
.MONDAY...
Weather.............Partly sunny, then chance of snow in the
afternoon.
Sfc winds...........West 5 to 10 knots becoming northwest 10 to 15
knots in the afternoon.
100-ft winds........West 10 to 15 knots becoming northwest 15 to 20
knots in the afternoon.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.MONDAY NIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...North winds 10 to 15 knots. Waves 6 to 9 feet.
.WEDNESDAY...Chance of rain after midnight. Southeast winds 15 to
20 knots. Waves 8 to 12 feet.
.THURSDAY...Rain likely in the morning. chance of rain. South
winds 15 to 20 knots. Waves 8 to 12 feet.
$$
LHZ363-462-052000-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
1106 AM EDT Sun Apr 5 2026
.This Afternoon...
Weather.............Partly sunny with a slight chance of rain, then
partly sunny in the afternoon.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.MONDAY...
Weather.............Partly sunny, then chance of snow in the
afternoon.
Sfc winds...........West 5 to 10 knots becoming northwest 10 to 15
knots in the afternoon.
100-ft winds........West 10 to 15 knots becoming northwest 15 to 20
knots in the afternoon.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet in the morning.
.MONDAY NIGHT...
Weather.............Mostly cloudy with chance of snow.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...North winds 10 to 15 knots. Waves 6 to 9 feet.
.WEDNESDAY...Chance of rain after midnight. Southeast winds 15 to
20 knots. Waves 8 to 12 feet.
.THURSDAY...Rain likely in the morning. chance of rain. South
winds 15 to 20 knots. Waves 8 to 12 feet.
$$
LHZ463-464-052000-
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 AM EDT Sun Apr 5 2026
.This Afternoon...
Weather.............Partly sunny with a slight chance of rain, then
partly sunny with a slight chance of rain and
snow in the afternoon.
Sfc winds...........West 20 to 25 knots.
100-ft winds........West to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
.TONIGHT...
Weather.............Mostly cloudy, then slight chance of snow after
midnight.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
.MONDAY...
Weather.............Partly sunny, then rain and snow likely in the
afternoon.
Sfc winds...........West 5 to 10 knots becoming northwest in the
afternoon.
100-ft winds........West 10 to 15 knots becoming northwest in the
afternoon.
Sig waves...........2 to 4 feet.
.MONDAY NIGHT...
Weather.............Mostly cloudy with snow likely, then mostly
cloudy with chance of snow after midnight.
Sfc winds...........North 20 to 25 knots increasing to northwest
gales to 35 knots after midnight.
100-ft winds........North to 30 knots increasing to northwest gales
to 45 knots after midnight.
Sig waves...........5 to 7 feet building to 8 to 12 feet after
midnight.
Ocnl waves..........Around 9 feet building to around 15 feet after
midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...North winds 10 to 15 knots. Waves 6 to 9 feet.
.WEDNESDAY...Chance of rain after midnight. Southeast winds 15 to
20 knots. Waves 8 to 12 feet.
.THURSDAY...Rain likely in the morning. chance of rain. South
winds 15 to 20 knots. Waves 8 to 12 feet.
$$
LHZ461-052000-
MAFOR 0515/
HURON NORTH...Gale Warning in effect...11640 12740 11730
11720 11710 12700. A chance of snow this afternoon. Waves 8 to
12 feet. Occasional wave height around 15 feet this afternoon.
Waves 8 to 12 feet subsiding to 4 to 6 feet...THEN subsiding to 2
to 4 feet. Occasional wave height around 15 feet tonight. Waves 1
to 3 feet Monday morning.
HURON SOUTH 12620 12720 11710 11700 11600 11700. Waves 4 to
6 feet. Occasional wave height around 8 feet this afternoon.
Waves 4 to 6 feet subsiding to 3 to 5 feet. Occasional wave
height around 8 feet tonight. Waves 1 to 3 feet Monday morning.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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