357
FZUS63 KDTX 221342
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
942 AM EDT Fri Aug 22 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, 30.10 inches, over the Eastern Great
Lakes maintains light southerly winds today. A cold front then
brings showers and a few thunderstorms to the region on Saturday.
A cooler airmass settles over the Great Lakes late weekend into
next week bringing lake effect showers and waterspout chances.

LHZ361-362-222145-
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-
942 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest winds 5 to 15 knots backing to the
south late in the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots veering to the southwest
early in the morning. Showers likely and a chance of
thunderstorms after midnight. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots. A chance of showers.
A chance of waterspouts in the afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west in the late evening and overnight. A chance of waterspouts
in the evening. Waves 2 to 4 feet.
.SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots
late in the evening. A chance of showers. Waves 2 to 4 feet.
.MONDAY...West winds 15 to 20 knots with gusts to around 30 knots
becoming northwest 20 to 25 knots with gusts to 35 knot gales
early in the evening...then decreasing to 15 to 20 knots with
gusts to around 30 knots in the late evening and early morning. A
chance of showers. Waves 5 to 7 feet building to 6 to 9 feet in
the late evening and early morning. Waves occasionally around
12 feet.
.TUESDAY...Northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots in the late evening and
early morning. Waves 5 to 7 feet. Waves occasionally around
10 feet.


$$

LHZ363-222145-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
942 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest winds 5 to 10 knots. Waves 2 feet or
less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and overnight. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots. A chance of showers
in the morning...then showers likely and a chance of
thunderstorms in the afternoon. A chance of waterspouts in the
afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west in the late evening and overnight. Showers likely and a
chance of thunderstorms in the evening. A chance of waterspouts
in the evening. Waves 1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots
late in the evening. A chance of showers. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.MONDAY...West winds 15 to 20 knots becoming northwest 20 to
25 knots with gusts to around 30 knots until early morning. A
chance of showers. Waves 4 to 6 feet building to 6 to 9 feet
until early morning. Waves occasionally around 12 feet.
.TUESDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots
until early evening. Waves 5 to 7 feet. Waves occasionally around
10 feet.


$$

LHZ462>464-222145-
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-
942 AM EDT Fri Aug 22 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots. A chance of showers
and thunderstorms in the afternoon. A chance of waterspouts in
the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots veering to the
west after midnight. A chance of showers and thunderstorms in the
evening. A chance of waterspouts in the evening. Waves 1 to
3 feet.
.SUNDAY...West winds 10 to 15 knots. A chance of showers late in
the afternoon. Waves 1 to 3 feet building to 3 to 5 feet late in
the evening.
.MONDAY...West winds 15 to 20 knots. Gusts to 30 knots early in
the evening. A chance of showers. Waves 5 to 7 feet building to
6 to 9 feet in the late evening and early morning. Waves
occasionally around 12 feet.
.TUESDAY...Northwest winds 15 to 20 knots with gusts to around
30 knots becoming north 10 to 15 knots in the late evening and
early morning. Waves 5 to 7 feet. Waves occasionally around
10 feet.


$$

LHZ461-222145-
MAFOR 2215/
HURON NORTH 11500 14400 12500 11516. Waves 1 to 3 feet.

HURON SOUTH 11500 13400 11410 13510. A chance of showers
Saturday morning. Waves 2 feet or less this afternoon. Waves 1 to
3 feet tonight and Saturday morning.

$$

SF

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)