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FZUS63 KDTX 210859
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
359 AM EST Fri Nov 21 2025

For waters beyond five nautical miles off shore on Lake Huron

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 weak cold front, 29.90 inches, tracks across the
region early this morning, supporting moderate west-northwest
winds through the day. High pressure, 30.10 inches, then slides
across the central Great Lakes to close out the week.

LHZ361-362-211700-
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-
359 AM EST Fri Nov 21 2025

.TODAY...West winds 15 to 20 knots decreasing to 10 to 15 knots
late in the morning...then increasing to 15 to 20 knots in the
afternoon. A chance of rain in the morning. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.TONIGHT...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.SATURDAY...Northwest winds 5 to 10 knots backing to the west
early in the afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. A chance of rain. Waves 2 feet or
less building to 3 to 5 feet in the late evening and overnight.
.SUNDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 3 to 5 feet.
.MONDAY...West winds 5 to 10 knots backing to the south until
early evening...then increasing to 10 to 15 knots in the late
evening and early morning. A chance of rain until early morning.
Waves 1 to 3 feet building to 2 to 4 feet in the late evening and
early morning.
.TUESDAY...Southeast winds 10 to 15 knots. Rain until afternoon...
then rain likely until early morning. Waves 3 to 5 feet.


$$

LHZ363-462-211700-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
359 AM EST Fri Nov 21 2025

.TODAY...West winds 10 to 15 knots. Waves 3 to 5 feet.
.TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the west early in the afternoon. Waves 2 to 4 feet subsiding
to 1 to 3 feet early in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight.
.SUNDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 3 to 5 feet subsiding to 2 to 4 feet late in the evening.
.MONDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots until early morning. Rain likely in the late evening and
early morning. Waves 1 to 3 feet building to 2 to 4 feet in the
late evening and early morning.
.TUESDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots until early morning. Rain until afternoon...then rain
likely early in the evening. A chance of rain in the late evening
and early morning. Waves 3 to 5 feet.


$$

LHZ463-464-211700-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
359 AM EST Fri Nov 21 2025

.TODAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 15 knots. Waves 1 to 3 feet
building to 3 to 5 feet in the late evening and overnight.
.SATURDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots becoming southwest
15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.SUNDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.
.MONDAY...West winds 5 to 10 knots becoming south 10 to 15 knots.
Rain likely in the late evening and early morning. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and early
morning.
.TUESDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots until early morning. Rain until afternoon...then rain
likely until early morning. Waves 3 to 5 feet.


$$

LHZ461-211700-
MAFOR 2110/
HURON NORTH 11720 11710 12620 12720 12710. A chance of rain
this morning. Waves 2 to 4 feet building to 3 to 5 feet today.
Waves 3 to 5 feet tonight.

HURON SOUTH 11620 13610 14710. Waves 3 to 5 feet subsiding to 1
to 3 feet today. Waves 3 to 5 feet tonight.

$$

MV

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)