512
FZUS63 KDTX 071940
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
340 PM 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.

LCZ460-080345-
Lake St Clair-
340 PM EDT Mon Sep 7 2026

.TONIGHT...Southeast winds 5 to 10 knots. Clear this evening
becoming partly cloudy. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots. Partly sunny. Waves 2 feet
or less.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots veering to the
southwest after midnight. Partly cloudy. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Mostly cloudy. Light
showers likely early in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Mostly cloudy early in
the evening becoming partly cloudy. Waves 2 feet or less.
.THURSDAY...Northwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon and evening. Partly cloudy then clearing.
Waves 2 feet or less.
.FRIDAY...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.SATURDAY...Southwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes