620
FZUS63 KDTX 300759
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
359 AM EDT Wed Sep 30 2026

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, 30.10 inches, exits as southwest winds
slowly increase ahead of a cold front. This front gets hung up
over southern lower Michigan, leading to occasional showers today
through Friday.

LHZ361-301600-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
359 AM EDT Wed Sep 30 2026

.TODAY...South winds 10 to 15 knots. Showers in the morning...
then a chance of showers in the afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds 5 to 10 knots. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 5 to 10 knots becoming west 10 to
15 knots early in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.
.FRIDAY...Northwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots late in the morning...then
decreasing to 10 to 15 knots late in the evening. Waves 2 feet or
less building to 2 to 4 feet late in the afternoon...then
subsiding to 1 to 3 feet late in the evening.
.SATURDAY...Light and variable winds becoming south 5 to 10 knots
by midnight. A chance of. Waves 2 feet or less.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots with gusts to around 30 knots in the late morning and
early afternoon...then veering to the northwest with gusts to
35 knot gales . A chance of showers until afternoon. Waves 1 to
3 feet building to 3 to 5 feet .


$$

LHZ362-363-301600-
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-
359 AM EDT Wed Sep 30 2026

.TODAY...South winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots in the afternoon. A chance of
showers. Waves 1 to 3 feet building to 3 to 5 feet in the
afternoon.
.TONIGHT...South winds 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots early in the morning.
Waves 3 to 5 feet.
.THURSDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. A chance of showers.
Waves 3 to 5 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots becoming northwest
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. A chance of showers. Waves 2 to 4 feet.
.FRIDAY...Northwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots late in the morning...then
decreasing to 10 to 15 knots late in the evening. Waves 2 to
4 feet building to 3 to 5 feet late in the afternoon.
.SATURDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots by midnight. Waves 2 to 4 feet subsiding to 2 feet or
less.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon...then veering
to the west with gusts to 35 knot gales early in the evening
becoming northwest 20 to 25 knots with gusts to 35 knot gales by
midnight. Waves 1 to 3 feet building to 4 to 6 feet . Waves
occasionally around 8 feet.


$$

LHZ462>464-301600-
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-
359 AM EDT Wed Sep 30 2026

.TODAY...South winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight. A chance of showers. Waves 2 to 4 feet.
.THURSDAY...Southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon. Showers likely in the morning...
then showers in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming
northwest 10 to 15 knots by midnight...then becoming north 15 to
20 knots after midnight. Showers. Waves 1 to 3 feet building to
2 to 4 feet after midnight.
.FRIDAY...North winds 10 to 15 knots becoming northwest 15 to
20 knots. Waves 2 to 4 feet.
.SATURDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots by
midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots early in the evening becoming northwest 20 to
25 knots by midnight. Waves 2 feet or less building to 5 to
7 feet. Waves occasionally around 10 feet.


$$

LHZ461-301600-
MAFOR 3009/
HURON NORTH 11510 11516 12426 11420 11520 11510 11500.
Waves 2 to 4 feet building to 3 to 5 feet today. Waves 3 to 5
feet tonight.

HURON SOUTH 13510 11416 11410 11420 12510. Waves 2 to 4 feet.

$$

KGK

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)