NZUS99 KDTX 172106
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 PM EDT Fri Jul 17 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...Canadian wildfire smoke persists until the overnight hours as weak
low pressure systems approach the region bringing some showers and
thunderstorms. This will be followed by a secondary low on Saturday
tracking across The Straits into northern Lake Huron with additional
unsettled weather.
LHZ361-180200-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
506 PM EDT Fri Jul 17 2026
.Tonight...
Weather.............Mostly cloudy with smoke with possible showers
and thunderstorms, then mostly cloudy with
smoke with possible showers and thunderstorms
likely after midnight.
Sfc winds...........East 10 to 15 knots becoming south after
midnight.
100-ft winds........East 15 to 20 knots becoming south after
midnight.
Sig waves...........2 to 4 feet.
Ocnl waves..........Around 5 feet after midnight.
.SATURDAY...
Weather.............Partly sunny with areas of smoke with possible
showers and thunderstorms, then mostly sunny
with areas of smoke in the afternoon.
Sfc winds...........West 15 to 20 knots becoming northwest 20 to 25
knots in the afternoon.
100-ft winds........West 20 to 25 knots becoming northwest to 30
knots in the afternoon.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
.SATURDAY NIGHT...
Weather.............Mostly clear with smoke, then mostly clear with
patchy smoke after midnight.
Sfc winds...........North 15 to 20 knots.
100-ft winds........North 20 to 25 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 7 feet.
.SUNDAY...
Weather.............Sunny.
Sfc winds...........Light and variable winds becoming southwest 5
to 10 knots in the afternoon.
100-ft winds........Light and variable winds becoming southwest 10
to 15 knots in the afternoon.
Sig waves...........1 to 3 feet.
.SUNDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...Chance of showers in the afternoon. chance of
thunderstorms in the evening. Showers. South winds 15 to
20 knots. Waves 6 to 9 feet.
.TUESDAY...Breezy. Chance of showers. South winds 20 to 25 knots.
Waves 8 to 12 feet.
.WEDNESDAY...Breezy. Chance of showers in the morning. West winds
20 to 25 knots. Waves 8 to 12 feet.
$$
LHZ362-363-180200-
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 Fri Jul 17 2026
...DENSE SMOKE ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...
.Tonight...
Weather.............Mostly cloudy with smoke, slight chance of
showers and thunderstorms, then mostly cloudy
with smoke with possible showers and
thunderstorms after midnight.
Sfc winds...........Southeast 15 to 20 knots.
100-ft winds........Southeast 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 6 feet after
midnight.
.SATURDAY...
Weather.............Partly sunny with chance of showers with
possible smoke and thunderstorms, then mostly
sunny with patchy smoke in the afternoon.
Sfc winds...........Southwest 15 to 20 knots becoming west 20 to 25
knots in the afternoon.
100-ft winds........Southwest 20 to 25 knots becoming west to 30
knots in the afternoon.
Sig waves...........4 to 6 feet building to 6 to 9 feet in the
afternoon.
Ocnl waves..........Around 7 feet building to around 12 feet in the
afternoon.
.SATURDAY NIGHT...
Weather.............Partly cloudy with patchy smoke.
Sfc winds...........Northwest 20 to 25 knots.
100-ft winds........Northwest to 30 knots becoming north 15 to 20
knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 11 feet.
.SUNDAY...
Weather.............Mostly sunny.
Sfc winds...........North 5 to 10 knots in the morning becoming
light and variable.
100-ft winds........North 10 to 15 knots in the morning becoming
light and variable.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 5 feet in the morning.
.SUNDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........East 5 to 10 knots becoming south 10 to 15
knots after midnight.
100-ft winds........East 10 to 15 knots becoming south 15 to 20
knots after midnight.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...Chance of showers in the afternoon. chance of
thunderstorms in the evening. Showers. South winds 15 to
20 knots. Waves 6 to 9 feet.
.TUESDAY...Breezy. Chance of showers. South winds 20 to 25 knots.
Waves 8 to 12 feet.
.WEDNESDAY...Breezy. Chance of showers in the morning. West winds
20 to 25 knots. Waves 8 to 12 feet.
$$
LHZ462>464-180200-
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 Fri Jul 17 2026
...DENSE SMOKE ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...
.Tonight...
Weather.............Partly cloudy with smoke and slight chance of
showers, then mostly cloudy with smoke, slight
chance of showers and thunderstorms after
midnight.
Sfc winds...........Southeast 10 to 15 knots becoming south 15 to
20 knots after midnight.
100-ft winds........Southeast 15 to 20 knots becoming south 20 to
25 knots after midnight.
Sig waves...........2 to 4 feet building to 3 to 5 feet after
midnight.
Ocnl waves..........Around 5 feet after midnight.
.SATURDAY...
Weather.............Mostly sunny with chance of thunderstorms and
slight chance of showers, then mostly sunny
with chance of showers, thunderstorms and
patchy smoke in the afternoon.
Sfc winds...........Southwest 15 to 20 knots.
100-ft winds........Southwest 20 to 25 knots.
Sig waves...........3 to 5 feet.
Ocnl waves..........Around 7 feet.
.SATURDAY NIGHT...
Weather.............Mostly clear with patchy smoke.
Sfc winds...........North to 30 knots decreasing to 15 to 20 knots
after midnight.
100-ft winds........North gales to 35 knots decreasing to 20 to 25
knots after midnight.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
.SUNDAY...
Weather.............Sunny.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........4 to 6 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 7 feet in the morning.
.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........North 5 to 10 knots becoming south 10 to 15
knots after midnight.
100-ft winds........North 10 to 15 knots becoming south 15 to 20
knots after midnight.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...Chance of showers in the afternoon. chance of
thunderstorms in the evening. Showers. South winds 15 to
20 knots. Waves 6 to 9 feet.
.TUESDAY...Breezy. Chance of showers. South winds 20 to 25 knots.
Waves 8 to 12 feet.
.WEDNESDAY...Breezy. Chance of showers in the morning. West winds
20 to 25 knots. Waves 8 to 12 feet.
$$
LHZ461-180200-
MAFOR 1721/
HURON NORTH 11300 11310 12410 11516 11620 12730. A chance of
thunderstorms overnight and Saturday morning. Waves 1 to 3 feet
building to 2 to 4 feet tonight. Waves 3 to 5 feet building to 5
to 7 feet. Occasional wave height around 10 feet Saturday.
HURON SOUTH 11300 11310 11410 13510 11610 11720. Waves 1 to
3 feet building to 2 to 4 feet tonight. Waves 3 to 5 feet
Saturday.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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