NZUS99 KDTX 202106
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 PM EDT Wed May 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...High pressure, 30.40 inches, will continue to build over the Great
Lakes this evening then slowly move east across the region through
Friday morning. As this occurs, northwest flow will veer to the
northeast and persist into Friday.
LHZ361-210200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
506 PM EDT Wed May 20 2026
.Tonight...
Weather.............Mostly clear.
Sfc winds...........Northwest 15 to 20 knots.
100-ft winds........Northwest 20 to 25 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Northeast 10 to 15 knots becoming east 5 to 10
knots in the afternoon.
100-ft winds........Northeast 15 to 20 knots becoming east 10 to 15
knots in the afternoon.
Sig waves...........2 to 4 feet.
.THURSDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 5 to 10 knots.
100-ft winds........East 10 to 15 knots.
Sig waves...........1 to 3 feet.
.FRIDAY...
Weather.............Mostly sunny.
Sfc winds...........East 15 to 20 knots.
100-ft winds........East 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the afternoon.
.FRIDAY NIGHT...
Weather.............Cloudy, then chance of showers after midnight.
Sfc winds...........East 15 to 20 knots increasing to 30 knots
after midnight.
100-ft winds........East 20 to 25 knots increasing to 35 knot gales
after midnight.
Sig waves...........4 to 6 feet building to 6 to 9 feet after
midnight.
Ocnl waves..........Around 7 feet building to around 12 feet after
midnight.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Breezy. Showers likely. chance of showers. East winds
20 to 25 knots. Waves 10 to 14 feet.
.SUNDAY...Chance of showers. East winds 5 to 10 knots. Waves 4 to
6 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ362-363-210200-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
506 PM EDT Wed May 20 2026
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
.THURSDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........East 15 to 20 knots.
100-ft winds........East 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the afternoon.
.FRIDAY NIGHT...
Weather.............Cloudy, then chance of showers after midnight.
Sfc winds...........Northeast 20 to 25 knots.
100-ft winds........Northeast to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Breezy. Showers likely. chance of showers. East winds
20 to 25 knots. Waves 10 to 14 feet.
.SUNDAY...Chance of showers. East winds 5 to 10 knots. Waves 4 to
6 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ462>464-210200-
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 Wed May 20 2026
.Tonight...
Weather.............Partly cloudy.
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.
.THURSDAY...
Weather.............Mostly sunny.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........North 15 to 20 knots becoming northeast 10 to
15 knots after midnight.
100-ft winds........North 20 to 25 knots becoming northeast 15 to
20 knots after midnight.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet.
.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 5 feet.
.FRIDAY NIGHT...
Weather.............Cloudy, then showers likely after midnight.
Sfc winds...........East 20 to 25 knots.
100-ft winds........East to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...Breezy. Showers likely. chance of showers. East winds
20 to 25 knots. Waves 10 to 14 feet.
.SUNDAY...Chance of showers. East winds 5 to 10 knots. Waves 4 to
6 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ461-210200-
MAFOR 2021/
HURON NORTH 13710 11800 11100 12200 11300. Waves 2 to 4 feet
tonight. Waves 2 feet or less Thursday.
HURON SOUTH 14810 14110. Waves 3 to 5 feet subsiding to 2 to 4
feet tonight. Waves 1 to 3 feet Thursday.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.