884
FZUS63 KDTX 100140
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
940 PM EDT Thu Oct 9 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...High pressure, 30.50 inches, peels away from the
region by early Friday morning with weakening low pressure,
averaging 29.90 inches, quickly trailing in its wake. This low
crosses the region late Friday through Saturday bringing a period
of unsettled weather including waterspout chances. Weak induced
ridging then develops by late weekend.

LHZ361-100945-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
940 PM EDT Thu Oct 9 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
late in the morning...then decreasing to 10 to 15 knots in the
afternoon. A chance of showers. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west after midnight. A chance of waterspouts in the evening. A
chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet
after midnight.
.SATURDAY...Northeast winds 10 to 15 knots. A chance of showers
in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in
the late morning and afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. A chance of showers until early
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and early morning.
.TUESDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots. Waves 1 to 3 feet building to 2 to 4 feet until early
morning.


$$

LHZ362-363-100945-
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-
940 PM EDT Thu Oct 9 2025

.REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. Waves 1 to 3 feet building to 2 to
4 feet after midnight.
.FRIDAY...South winds 15 to 20 knots. A chance of. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. A chance of showers.
A chance of waterspouts after midnight. Waves 4 to 6 feet.
.SATURDAY...North winds 10 to 15 knots veering to the northeast
in the late morning and afternoon. A chance of waterspouts in the
morning. A chance of showers. Waves 2 to 4 feet. Waves
occasionally around 8 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. A chance of showers
in the evening. Waves 2 to 4 feet.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots until early morning. Waves 2 to 4 feet subsiding to 1 to
3 feet until early morning.
.TUESDAY...Southwest winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and early afternoon...then becoming
northwest 15 to 20 knots until early morning. Waves 1 to 3 feet
building to 3 to 5 feet until early morning.


$$

LHZ462>464-100945-
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-
940 PM EDT Thu Oct 9 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Waves 1 to 3 feet building to 2 to
4 feet early in the morning.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
late in the afternoon. A chance of. Waves 2 to 4 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots in the late evening and overnight. A chance of
showers. Waves 3 to 5 feet.
.SATURDAY...South winds 10 to 15 knots backing to the east in the
late morning and afternoon. A chance of showers. A chance of
waterspouts in the afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet early in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...East winds 10 to 15 knots decreasing to 5 to 10 knots.
Waves 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots veering to the west in the
late morning and early afternoon...then becoming north 10 to
15 knots until early morning. Waves 2 feet or less building to
3 to 5 feet until early morning.


$$

LHZ461-100945-
MAFOR 1003/
HURON NORTH 11410 11510 12520 14420. A chance of showers
Friday afternoon and Friday evening. Waves 2 to 4 feet overnight.
Waves 3 to 5 feet Friday and Friday evening.

HURON SOUTH 13410 12510 12420 11526. Waves 1 to 3 feet
overnight. Waves 2 to 4 feet Friday. Waves 3 to 5 feet Friday
evening.

$$

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)