459
FZUS63 KDTX 090752
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
352 AM EDT Thu Jul 9 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...A low pressure system, 29.70 inches, and trailing cold
front will trek through the Great Lakes region today, bringing
the potential for showers and isolated thunderstorms. A high
pressure system, 30.20 inches, is then expected to develop over
the region and persist throughout the weekend.

LCZ460-091600-
Lake St Clair-
352 AM EDT Thu Jul 9 2026

.TODAY...Light and variable winds becoming southwest 5 to 10 knots
in the late morning and afternoon. Mostly sunny until mid afternoon
becoming mostly cloudy. A chance of showers and thunderstorms
early in the afternoon. Showers likely and a chance of
thunderstorms late in the afternoon. Waves 2 feet or less.
.TONIGHT...West winds 5 to 10 knots backing to the southeast late in
the evening...then veering to the southwest after midnight veering
to the north early in the morning. Mostly cloudy becoming partly
cloudy by midnight becoming mostly cloudy. Showers likely and a
chance of thunderstorms in the evening...then a chance of showers
after midnight. Waves 2 feet or less.
.FRIDAY...North winds 5 to 10 knots. Partly sunny. A chance of light
showers in the late morning and early afternoon. Waves 2 feet or
less.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots becoming north 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots increasing to 10 to 15
knots in the evening. Mostly clear. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Clear. Waves 2 feet or less.

$$

BT

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

Graphical marine forecasts are available at weather.gov/greatlakes