773
FZUS63 KDTX 202043
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
343 PM EST Thu Nov 20 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 tonight, supporting moderate preceding southwest winds and
renewed colder west-northwest winds following. High pressure,
30.10 inches, then slides across the central Great Lakes to close
out the week.

LHZ361-362-210445-
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-
343 PM EST Thu Nov 20 2025

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


$$

LHZ363-462-210445-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
343 PM EST Thu Nov 20 2025

.TONIGHT...Southwest winds 15 to 20 knots. A chance of rain after
midnight. Waves 3 to 5 feet.
.FRIDAY...West winds 10 to 15 knots. Waves 3 to 5 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. Waves 3 to
5 feet.
.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...Southwest winds 5 to 10 knots increasing to
15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.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 southwest in
the late morning and early afternoon...then becoming south 10 to
15 knots until early morning. A chance of rain in the late
evening and early morning. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.TUESDAY...Southeast winds 10 to 15 knots becoming south 15 to
20 knots until early evening...then veering to the southwest in
the late evening and early morning. A chance of rain early in the
morning...then rain likely until early evening. A chance of rain
in the late evening and early morning. Waves 2 to 4 feet building
to 3 to 5 feet.


$$

LHZ463-464-210445-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
343 PM EST Thu Nov 20 2025

.TONIGHT...Southwest winds 10 to 15 knots. Waves 2 to 4 feet.
.FRIDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to 4 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
10 to 15 knots in the late evening and overnight. Waves 1 to
3 feet building to 2 to 4 feet after midnight.
.SUNDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the morning...then decreasing to 5 to 10 knots
late in the evening. Waves 2 to 4 feet.
.MONDAY...West winds 5 to 10 knots becoming south 10 to 15 knots
until early evening...then backing to the southeast in the late
evening and early morning. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots veering to the southwest in
the late evening and early morning. Rain until afternoon...then
rain likely early in the evening. A chance of rain in the late
evening and early morning. Waves 2 to 4 feet.


$$

LHZ461-210445-
MAFOR 2022/
HURON NORTH 11526 12520 11620 12610 12620. Waves 3 to 5 feet
tonight. Waves 2 to 4 feet building to 3 to 5 feet Friday.

HURON SOUTH 11410 13520 11620 12610 11710. A chance of rain
overnight. Waves 2 to 4 feet building to 3 to 5 feet tonight.
Waves 3 to 5 feet subsiding to 1 to 3 feet Friday.

$$

KDK

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)