Great Lakes Forecast
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698
FZUS63 KDTX 041401
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1001 AM EDT Mon Aug 4 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, around 30.20 inches, will slowly weaken
over the Great Lakes through tonight. Another high pressure
system then eases over Hudson Bay Monday-Tuesday, gradually
building to 30.40 inches by Tuesday morning.

LHZ361-362-042215-
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-
1001 AM EDT Mon Aug 4 2025

.REST OF TODAY...Light and variable winds. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots
after midnight...then becoming light and variable early in the
morning. Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
until early morning. Waves 1 to 3 feet.


$$

LHZ363-042215-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
1001 AM EDT Mon Aug 4 2025

.REST OF TODAY...Light and variable winds. Areas of smoke. Waves
2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and early morning. Waves 2 feet or
less.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Waves 1 to 3 feet.


$$

LHZ462>464-042215-
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-
1001 AM EDT Mon Aug 4 2025

.REST OF TODAY...Light and variable winds becoming north 5 to
10 knots late in the afternoon. Areas of smoke. Waves 2 feet or
less.
.TONIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots veering to the
east after midnight. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. Waves 1 to 3 feet.


$$

LHZ461-042215-
MAFOR 0415/
HURON NORTH 11200 12300 14200 11200. Waves nearly calm.

HURON SOUTH 11200 13100 14200. Waves 2 feet or less.

$$

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)