Experimental Modernized Open Lake Forecast - Lake Huron

NZUS99 KDTX 202106
GLFLHT

Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 PM EDT Thu Aug 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, 30.00 inches, builds into the Great Lakes today and
Friday. 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>363-210200-
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-
506 PM EDT Thu Aug 20 2026

.Tonight...
Weather.............Partly cloudy.
Sfc winds...........Northeast 5 to 10 knots becoming east after
                              midnight.
100-ft winds........Northeast 10 to 15 knots becoming east after
                              midnight.
Sig waves...........2 to 4 feet.

.FRIDAY...
Weather.............Partly sunny.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 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.............Mostly cloudy with chance of showers, then
                              mostly cloudy with chance of waterspouts and
                              showers 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 with a chance of waterspouts, then
                              showers with a chance of 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.
Ocnl waves..........Around 5 feet in the morning.

.SATURDAY NIGHT...
Weather.............Mostly cloudy with chance of showers.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.


.FORECAST DAYS 3 THROUGH 5...

.SUNDAY...Breezy. Chance of waterspouts. Chance of showers.
Northwest winds 20 to 25 knots. Waves 8 to 12 feet.
.MONDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.TUESDAY...Southwest winds 10 to 15 knots. Waves 3 to 5 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 Thu Aug 20 2026

.Tonight...
Weather.............Mostly clear.
Sfc winds...........Northeast 5 to 10 knots becoming east after
                              midnight.
100-ft winds........Northeast 10 to 15 knots becoming east after
                              midnight.
Sig waves...........2 to 4 feet.

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

.FRIDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Southeast 10 to 15 knots.
100-ft winds........Southeast 15 to 20 knots.
Sig waves...........2 to 4 feet.

.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 likely with a chance of thunderstorms,
                              then showers likely 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...........2 to 4 feet building to 5 to 7 feet after
                              midnight.
Ocnl waves..........Around 9 feet after midnight.


.FORECAST DAYS 3 THROUGH 5...

.SUNDAY...Breezy. Chance of waterspouts. Chance of showers.
Northwest winds 20 to 25 knots. Waves 8 to 12 feet.
.MONDAY...West winds 10 to 15 knots. Waves 5 to 7 feet.
.TUESDAY...Southwest winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LHZ461-210200-
MAFOR 2021/
HURON NORTH 11300 14400 13410. Waves 2 feet or less tonight.
Waves 1 to 3 feet Friday.

HURON SOUTH 11100 12200 12300 13400. Waves 2 feet or less.

$$

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

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