726
FZUS63 KDTX 070738
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
338 AM EDT Mon Sep 7 2026

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...Favorable marine conditions continue through most of
Tuesday due to surface high pressure moving from the central to
eastern Great Lakes. A low pressure system then approaches
Tuesday afternoon into Wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. Cooler and
drier weather is expected Thursday into Friday.

LCZ460-071545-
Lake St Clair-
338 AM EDT Mon Sep 7 2026

.TODAY...East winds 5 to 10 knots until late afternoon becoming
light and variable. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to 15
knots early in the afternoon. Partly sunny. Waves 2 feet or less.
.TUESDAY NIGHT...South winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon...then becoming west 10 to 15 knots in the
evening. Partly sunny in the morning becoming mostly cloudy. A
chance of light showers in the morning...then light showers likely
in the afternoon and evening. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.FRIDAY...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

SC

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes