NZUS99 KDTX 182106
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
506 PM EDT Sat Apr 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...Colder air filters into the region this weekend, maintaining gusty
northwesterly winds. A secondary cold front passes across the region
on Sunday, then high pressure settles in on Monday. Milder southerly
flow early Tuesday precedes the next cold front set to pass through
late Tuesday.
LHZ361>363-190200-
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 Sat Apr 18 2026
.Tonight...
Weather.............Mostly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........4 to 6 feet.
Ocnl waves..........Around 8 feet.
.SUNDAY...
Weather.............Mostly sunny.
Sfc winds...........Southwest 10 to 15 knots increasing to
northwest 20 to 25 knots in the afternoon.
100-ft winds........Southwest 15 to 20 knots increasing to
northwest 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 11 feet in the
afternoon.
.SUNDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Northwest to 30 knots.
100-ft winds........Northwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.
.MONDAY...
Weather.............Mostly sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........6 to 9 feet subsiding to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 10 feet subsiding to around 6 feet in
the afternoon.
.MONDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Southeast 10 to 15 knots increasing to south 20
to 25 knots after midnight.
100-ft winds........Southeast 15 to 20 knots increasing to south to
30 knots after midnight.
Sig waves...........2 to 4 feet building to 6 to 9 feet after
midnight.
Ocnl waves..........Around 5 feet building to around 10 feet after
midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...South winds 15 to 20 knots. Waves 6 to 9 feet.
.WEDNESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.THURSDAY...East winds 10 to 15 knots. Waves 4 to 6 feet.
$$
LHZ462>464-190200-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
506 PM EDT Sat Apr 18 2026
.Tonight...
Weather.............Partly cloudy.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........2 to 4 feet.
.SUNDAY...
Weather.............Mostly sunny, then chance of showers and slight
chance of snow showers in the afternoon.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........2 to 4 feet building to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 6 feet in the afternoon.
.SUNDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........North 20 to 25 knots.
100-ft winds........North to 30 knots.
Sig waves...........6 to 9 feet.
Ocnl waves..........Around 12 feet.
.MONDAY...
Weather.............Mostly sunny.
Sfc winds...........Northwest 15 to 20 knots decreasing to 5 to 10
knots in the afternoon.
100-ft winds........Northwest 20 to 25 knots decreasing to 10 to 15
knots in the afternoon.
Sig waves...........5 to 7 feet.
Ocnl waves..........Around 8 feet.
.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........South 15 to 20 knots.
100-ft winds........South 20 to 25 knots.
Sig waves...........2 to 4 feet building to 4 to 6 feet after
midnight.
Ocnl waves..........Around 8 feet after midnight.
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...South winds 15 to 20 knots. Waves 6 to 9 feet.
.WEDNESDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.THURSDAY...East winds 10 to 15 knots. Waves 4 to 6 feet.
$$
LHZ461-190200-
MAFOR 1821/
HURON NORTH 11720 12710 12610 11620 11720 11730. Waves 3 to
5 feet subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet
building to 3 to 5 feet...THEN building to 5 to 7 feet.
Occasional wave height around 10 feet Sunday.
HURON SOUTH 12700 11600 12700 11510 11610 11820. Waves 2 to
4 feet.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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