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FZUS63 KDTX 090158
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
958 PM EDT Fri Aug 8 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, 30.20 inches, holds steady over the
mid-Atlantic this weekend ensuring southwest flow and mainly dry
conditions across the Great Lakes outside of a stray shower or
storm favored toward northern waters. Low pressure, 29.60 inches,
tracks across northern Ontario this weekend with its cold front
washing out west of the Great Lakes.

LHZ361-362-091000-
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-
958 PM EDT Fri Aug 8 2025

.REST OF TONIGHT...South winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 3 to 5 feet.
.SUNDAY...South winds 10 to 15 knots. A chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. A chance of showers and thunderstorms
after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then becoming southeast 5 to 10 knots late
in the afternoon veering to the southwest late in the evening. A
chance of showers and thunderstorms...then showers and
thunderstorms likely late in the afternoon. A chance of showers
and thunderstorms late in the evening. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots. Waves 2 feet or less.


$$

LHZ363-462-091000-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
958 PM EDT Fri Aug 8 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...South winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.MONDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. A chance of showers and thunderstorms.
Waves 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots backing to the south early
in the evening...then backing to the south 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.


$$

LHZ463-464-091000-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
958 PM EDT Fri Aug 8 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots early in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 3 feet.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon...then decreasing to 5 to 10 knots late in
the evening. A chance of showers and thunderstorms late in the
evening. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms early in the morning...then showers and
thunderstorms likely until early evening. A chance of showers and
thunderstorms in the late evening and early morning. Waves 2 feet
or less.
.WEDNESDAY...Southwest winds 5 to 10 knots backing to the south
early in the evening...then backing to the south 5 to 10 knots in
the late evening and early morning. Waves 2 feet or less.


$$

LHZ461-091000-
MAFOR 0903/
HURON NORTH 14400 14410. Waves 2 to 4 feet.

HURON SOUTH 12410 13400 13410. Waves 1 to 3 feet.

$$

BT

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)