NZUS99 KDTX 181506
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1106 AM EDT Mon May 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 warm front lifts across Lake Huron this morning, with southerly
flow expanding across all of the local waters. Strong to severe
thunderstorms are possible this afternoon-evening and again Tuesday
as a cold front sweeps across the region. High pressure, 30.50
inches, then builds in mid-week.
LHZ361-182000-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1106 AM EDT Mon May 18 2026
.This Afternoon...
Weather.............Partly sunny with a slight chance of showers
and thunderstorms, then mostly cloudy with
chance of showers and thunderstorms in the
afternoon.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Mostly cloudy with chance of showers and slight
chance of thunderstorms.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
midnight.
Ocnl waves..........Around 6 feet in the evening.
.TUESDAY...
Weather.............Partly sunny with chance of showers.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers, then
mostly cloudy after midnight.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...North winds 15 to 20 knots. Waves 6 to 9 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 3 to 5 feet.
.FRIDAY...Chance of showers after midnight. Northeast winds 15 to
20 knots. Waves 3 to 5 feet.
$$
LHZ362-363-182000-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
1106 AM EDT Mon May 18 2026
.This Afternoon...
Weather.............Partly sunny, then chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
.TONIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then mostly cloudy with chance
of showers and slight chance of thunderstorms
after midnight.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
.TUESDAY...
Weather.............Partly sunny with chance of showers.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 10 feet.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers, then
mostly cloudy after midnight.
Sfc winds...........Southwest 20 to 25 knots becoming northwest
after midnight.
100-ft winds........Southwest to 30 knots becoming northwest after
midnight.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...North winds 15 to 20 knots. Waves 6 to 9 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 3 to 5 feet.
.FRIDAY...Chance of showers after midnight. Northeast winds 15 to
20 knots. Waves 3 to 5 feet.
$$
LHZ462>464-182000-
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 AM EDT Mon May 18 2026
.This Afternoon...
Weather.............Mostly sunny, then chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TONIGHT...
Weather.............Mostly cloudy with showers likely with a chance
of thunderstorms, then mostly cloudy with
chance of showers and slight chance of
thunderstorms after midnight.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.TUESDAY...
Weather.............Partly sunny with chance of showers, then
partly sunny with chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 20 to 25 knots.
100-ft winds........South to 30 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
.TUESDAY NIGHT...
Weather.............Mostly cloudy with chance of showers and
thunderstorms, then mostly cloudy with chance
of showers after midnight.
Sfc winds...........Southwest 15 to 20 knots becoming north after
midnight.
100-ft winds........Southwest 20 to 25 knots becoming north after
midnight.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...North winds 15 to 20 knots. Waves 6 to 9 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 3 to 5 feet.
.FRIDAY...Chance of showers after midnight. Northeast winds 15 to
20 knots. Waves 3 to 5 feet.
$$
LHZ461-182000-
MAFOR 1815/
HURON NORTH 11420 11426 12416 13410 11420. A chance of
thunderstorms this afternoon and tonight. Waves 3 to 5 feet.
HURON SOUTH 12410 11516 11416 13410 11420. A chance of
thunderstorms this afternoon and evening. Waves 2 to 4 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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