Experimental Modernized Open Lake Forecast - Lake Huron

NZUS99 KDTX 211506
GLFLHT

Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1106 AM EDT Fri Aug 21 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, 30.00 inches, maintains influence across the central
and eastern Great Lakes today. The next low pressure system then
arrives Saturday, dragging a cold front across the area and
increasing shower and thunderstorm chances. Post-frontal northwest
flow leads to gusty winds Sunday.

LHZ361>363-212000-
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 AM EDT Fri Aug 21 2026

.This Afternoon...
Weather.............Partly sunny, then chance of showers in the
                              afternoon.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
                              afternoon.
Ocnl waves..........Around 7 feet in the afternoon.

.TONIGHT...
Weather.............Mostly cloudy with chance of showers, slight
                              chance of waterspouts and thunderstorms, then
                              mostly cloudy with chance of showers,
                              waterspouts and slight chance of thunderstorms
                              after midnight.
Sfc winds...........Southeast 15 to 20 knots.
100-ft winds........Southeast 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.SATURDAY...
Weather.............Showers likely with a chance of waterspouts.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
                              afternoon.
Ocnl waves..........Around 6 feet in the morning.

.SATURDAY NIGHT...
Weather.............Mostly cloudy, then chance of showers after
                              midnight.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 9 feet.


.FORECAST DAYS 3 THROUGH 5...

.SUNDAY...Breezy. Slight chance of waterspouts in the morning.
chance of waterspouts in the afternoon. Chance of showers. West
winds 20 to 25 knots. Waves 6 to 9 feet.
.MONDAY...Chance of showers in the morning. West winds 10 to
15 knots. Waves 4 to 6 feet.
.TUESDAY...West winds 5 to 10 knots. Waves 2 to 4 feet.

$$

LHZ462>464-212000-
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 Fri Aug 21 2026

.This Afternoon...
Weather.............Mostly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........2 to 4 feet.

.TONIGHT...
Weather.............Mostly cloudy with a slight chance of showers,
                              then mostly cloudy with showers likely, slight
                              chance of waterspouts and thunderstorms after
                              midnight.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet after midnight.

.SATURDAY...
Weather.............Partly sunny with chance of waterspouts and
                              showers, then showers, chance of waterspouts
                              and thunderstorms in the afternoon.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........2 to 4 feet.

.SATURDAY NIGHT...
Weather.............Showers, chance of waterspouts and
                              thunderstorms, then mostly cloudy with chance
                              of waterspouts and showers after midnight.
Sfc winds...........Northwest 10 to 15 knots increasing to 20 to 25
                              knots after midnight.
100-ft winds........Northwest 15 to 20 knots increasing to 30 knots
                              after midnight.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.


.FORECAST DAYS 3 THROUGH 5...

.SUNDAY...Breezy. Slight chance of waterspouts in the morning.
chance of waterspouts in the afternoon. Chance of showers. West
winds 20 to 25 knots. Waves 6 to 9 feet.
.MONDAY...Chance of showers in the morning. West winds 10 to
15 knots. Waves 4 to 6 feet.
.TUESDAY...West winds 5 to 10 knots. Waves 2 to 4 feet.

$$

LHZ461-212000-
MAFOR 2115/
HURON NORTH 11410 12310 12316 11416 11406 11506. A chance of
waterspouts overnight and Saturday morning. A chance of
thunderstorms overnight. Waves 2 to 4 feet.

HURON SOUTH 11400 13310 11410 12416 11406. A chance of
waterspouts Saturday morning. A chance of thunderstorms
overnight. Waves 1 to 3 feet.

$$

Occasional waves will only be displayed when values meet or exceed 5 feet.

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