NZUS99 KDTX 310344
GLFLHT
Experimental Tabular Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1144 PM EDT Thu Jul 30 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, 30.30 inches, governs Great Lakes conditions today.
Low pressure then tracks into the Ohio Valley this weekend, with
local pressure averaging around 29.90 inches. This brings rain and
isolated thunderstorm chances to the Great Lakes Friday night into
Sunday along with elevated winds and waves into Saginaw Bay and the
Thumb nearshores.
LHZ361-310800-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1144 PM EDT Thu Jul 30 2026
.Overnight...
Weather.............Partly cloudy, then slight chance of showers
after midnight.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 feet or less.
.FRIDAY...
Weather.............Mostly cloudy, then chance of showers and
slight chance of thunderstorms in the
afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FRIDAY NIGHT...
Weather.............Cloudy, then chance of showers after midnight.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........2 to 4 feet.
.SATURDAY...
Weather.............Mostly cloudy with chance of showers, then
cloudy with showers in the afternoon.
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...........2 feet or less.
.SATURDAY NIGHT...
Weather.............Showers likely, then mostly cloudy after
midnight.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........1 to 3 feet.
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...Chance of showers. Northeast winds 10 to 15 knots.
Waves 3 to 5 feet.
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ362-363-310800-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
1144 PM EDT Thu Jul 30 2026
.Overnight...
Weather.............Partly cloudy.
Sfc winds...........South 5 to 10 knots.
100-ft winds........South 10 to 15 knots.
Sig waves...........2 feet or less.
.FRIDAY...
Weather.............Mostly sunny, then slight chance of showers and
thunderstorms in the afternoon.
Sfc winds...........South 5 to 10 knots.
100-ft winds........South 10 to 15 knots.
Sig waves...........1 to 3 feet.
.FRIDAY NIGHT...
Weather.............Cloudy with chance of showers.
Sfc winds...........Northeast 5 to 10 knots.
100-ft winds........Northeast 10 to 15 knots.
Sig waves...........2 to 4 feet.
.SATURDAY...
Weather.............Mostly cloudy with chance of showers.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........1 to 3 feet.
.SATURDAY NIGHT...
Weather.............Showers, then mostly cloudy with chance of
showers after midnight.
Sfc winds...........Northeast 10 to 15 knots.
100-ft winds........Northeast 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...Chance of showers. Northeast winds 10 to 15 knots.
Waves 3 to 5 feet.
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ462>464-310800-
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-
1144 PM EDT Thu Jul 30 2026
.Overnight...
Weather.............Partly cloudy.
Sfc winds...........Light and variable winds becoming south 5 to 10
knots after midnight.
100-ft winds........Light and variable winds becoming south 10 to
15 knots after midnight.
Sig waves...........2 feet or less.
.FRIDAY...
Weather.............Mostly sunny.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........1 to 3 feet.
.FRIDAY NIGHT...
Weather.............Cloudy, then chance of showers after midnight.
Sfc winds...........East 5 to 10 knots.
100-ft winds........East 10 to 15 knots.
Sig waves...........1 to 3 feet.
.SATURDAY...
Weather.............Mostly cloudy with chance of showers, then
cloudy with showers likely in the afternoon.
Sfc winds...........North 5 to 10 knots.
100-ft winds........North 10 to 15 knots.
Sig waves...........1 to 3 feet.
.SATURDAY NIGHT...
Weather.............Showers likely.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........2 to 4 feet.
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...Chance of showers. Northeast winds 10 to 15 knots.
Waves 3 to 5 feet.
.MONDAY...North winds 5 to 10 knots. Waves 2 to 4 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 to 4 feet.
$$
LHZ461-310800-
MAFOR 3103/
HURON NORTH 14500 11500 11600 11500 11600. A chance of showers
and thunderstorms Friday evening. Waves 2 feet or less.
HURON SOUTH 12400 13500 12400 11600. A chance of showers
Friday evening. Waves 2 feet or less.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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