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FZUS63 KDTX 050732
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
332 AM EDT Sun Oct 5 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...Low pressure, 29.40 inches, will lift from northern
Ontario into James Bay tonight. This system will force a cold
front across Lake Huron on Monday, average pressure 30.00 inches.
This front will settle into Lake Erie on Tuesday and will bring
widespread showers and a few thunderstorms. High pressure will
then expand across the region from the northwest on Wednesday.

LHZ361-051545-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
332 AM EDT Sun Oct 5 2025

.TODAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late
in the afternoon.
.TONIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...Southwest winds 10 to 15 knots veering to the northwest
early in the afternoon. A chance of showers in the morning...then
showers likely in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Showers likely.
Waves 1 to 3 feet.
.TUESDAY...Northwest winds 5 to 10 knots becoming west 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
late in the afternoon becoming northwest 10 to 15 knots late in
the evening. Waves 2 feet or less building to 3 to 5 feet.
.WEDNESDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots in the late evening and early morning. Waves 2 feet or
less.
.THURSDAY...South winds 5 to 10 knots increasing to 10 to
15 knots until early morning. Waves 1 to 3 feet.


$$

LHZ362-363-051545-
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-
332 AM EDT Sun Oct 5 2025

.TODAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Waves 3 to 5 feet.
.MONDAY...Southwest winds 15 to 20 knots becoming south 10 to
15 knots early in the afternoon. Showers likely in the afternoon.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.MONDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning...then increasing
to 10 to 15 knots after midnight. Showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.TUESDAY...Northwest winds 5 to 10 knots increasing to 15 to
20 knots. A chance of showers. Waves 1 to 3 feet building to 3 to
5 feet.
.WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. Waves 3 to 5 feet subsiding to 1 to
3 feet until early morning.
.THURSDAY...Southeast winds 5 to 10 knots becoming south 10 to
15 knots until early morning. Waves 1 to 3 feet building to 2 to
4 feet in the late evening and early morning.


$$

LHZ462>464-051545-
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-
332 AM EDT Sun Oct 5 2025

.TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning...then decreasing
to 10 to 15 knots early in the morning. Waves 3 to 5 feet.
.MONDAY...South winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 2 to 4 feet.
.MONDAY NIGHT...South winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning...then increasing
to 10 to 15 knots after midnight. Showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.TUESDAY...West winds 10 to 15 knots becoming 15 to 20 knots late
in the evening. Showers in the morning...then a chance of showers
late in the morning. Waves 1 to 3 feet building to 4 to 6 feet
late in the afternoon. Waves occasionally around 8 feet.
.WEDNESDAY...North winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then becoming northeast 5 to
10 knots in the late evening and early morning. Waves 3 to
5 feet.
.THURSDAY...East winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening and early morning. Waves 1 to
3 feet.


$$

LHZ461-051545-
MAFOR 0509/
HURON NORTH 14410 11420 13410. Waves 2 to 4 feet today. Waves 2
to 4 feet building to 3 to 5 feet tonight.

HURON SOUTH 13400 12410 13420. Waves 1 to 3 feet today. Waves 2
to 4 feet building to 3 to 5 feet tonight.

$$

SC

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)