393
FZUS63 KDTX 131937
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
337 PM EDT Wed Aug 13 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 northwest Ontario
looks to dominate our weather into the first half of the weekend,
supporting light north-northeast winds and dry conditions.

LHZ361-362-140345-
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-
337 PM EDT Wed Aug 13 2025

.TONIGHT...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots early in the
evening becoming light and variable...then becoming east 5 to
10 knots after midnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots veering to the
south after midnight. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots veering to the west
late in the evening. A chance of thunderstorms late in the
morning. A chance of showers. Waves 1 to 3 feet.
.SUNDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then becoming northeast 15 to 20 knots in
the late evening and early morning. A chance of showers early in
the morning. Waves 2 to 4 feet.
.MONDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots
until early morning. A chance of showers. Waves 3 to 5 feet.


$$

LHZ363-140345-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
337 PM EDT Wed Aug 13 2025

.TONIGHT...North winds up to 10 knots increasing to 10 to 15
knots after midnight. Waves 1 to 3 feet.
.THURSDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Waves 1 to
3 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots late in the afternoon...then becoming west 10 to
15 knots late in the evening. A chance of showers. Waves 1 to
3 feet.
.SUNDAY...Northwest winds 10 to 15 knots becoming northeast 15 to
20 knots. A chance of showers early in the morning. Waves 2 to
4 feet building to 3 to 5 feet.
.MONDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots
until early evening...then becoming northeast 15 to 20 knots in
the late evening and early morning. A chance of showers. A chance
of thunderstorms until early morning. Waves 3 to 5 feet.


$$

LHZ462>464-140345-
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-
337 PM EDT Wed Aug 13 2025

.TONIGHT...North winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. Waves 1 to
3 feet.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots early in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...East winds 5 to 10 knots veering to the south in
the late evening and overnight. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots late in the evening. A chance of showers late in the
afternoon. Waves 2 feet or less.
.SUNDAY...West winds 10 to 15 knots veering to the north in the
late morning and early afternoon...then increasing to 15 to
20 knots with gusts to around 30 knots until early morning. A
chance of showers early in the morning. Waves 2 to 4 feet
building to 3 to 5 feet.
.MONDAY...Northeast winds 10 to 15 knots. A chance of showers and
thunderstorms until early morning. Waves 3 to 5 feet.


$$

LHZ461-140345-
MAFOR 1321/
HURON NORTH 12700 11810 13110 12200. Waves 2 feet or less.

HURON SOUTH 13800 11810 11800 13100. Waves 2 feet or less.

$$

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)