National Weather Service United States Department of Commerce

 

NZUS99 KDTX 180906
GLFLHT

Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 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.

LHZ361-181400-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
506 AM EDT Mon May 18 2026

.Today...
Weather.............Mostly cloudy with a slight chance of showers
                              and thunderstorms, then mostly cloudy with
                              chance of showers and thunderstorms in the
                              afternoon.
Sfc winds...........East 10 to 15 knots.
100-ft winds........East 15 to 20 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 6 feet.

.TONIGHT...
Weather.............Mostly cloudy with chance of showers and
                              thunderstorms.
Sfc winds...........Southwest 5 to 10 knots becoming southeast
                              after midnight.
100-ft winds........Southwest 10 to 15 knots becoming southeast
                              after midnight.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 6 feet in the evening.

.TUESDAY...
Weather.............Showers likely with a chance of thunderstorms,
                              then showers in the afternoon.
Sfc winds...........Southeast 15 to 20 knots becoming south 20 to
                              25 knots in the afternoon.
100-ft winds........Southeast 20 to 25 knots becoming south to 30
                              knots in the afternoon.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.

.TUESDAY NIGHT...
Weather.............Mostly cloudy with showers, then mostly cloudy
                              after midnight.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest 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 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. East winds 10 to
15 knots. Waves 2 to 4 feet.

$$

LHZ362-363-181400-
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 AM EDT Mon May 18 2026

.Today...
Weather.............Partly sunny, then 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 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, then chance of showers in the
                              afternoon.
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 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. East winds 10 to
15 knots. Waves 2 to 4 feet.

$$

LHZ462>464-181400-
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 AM EDT Mon May 18 2026

.Today...
Weather.............Mostly sunny, then slight 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, then 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 7 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 northwest
                              after midnight.
100-ft winds........Southwest 20 to 25 knots becoming northwest
                              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 2 to 4 feet.
.FRIDAY...Chance of showers after midnight. East winds 10 to
15 knots. Waves 2 to 4 feet.

$$

LHZ461-181400-
MAFOR 1809/
HURON NORTH 11300 11310 11420 11426 12416 12410. A chance of
thunderstorms this afternoon and evening. Waves 1 to 3 feet
building to 3 to 5 feet today. Waves 3 to 5 feet tonight.

HURON SOUTH 14410 11419 11416 12410. Waves 2 to 4 feet.

$$

 

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

 

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