674
FZUS63 KDTX 291340
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
940 AM EDT Sun Jun 29 2025

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...Weak high pressure will continue to maintain light
winds and favorable marine conditions into Sunday morning. This
will be followed by another low pressure system, 29.70 inches,
entering the northern Great Lakes Sunday night into Monday. This
brings another round of thunderstorms with an accompanying cold
front.

LCZ460-292145-
Lake St Clair-
940 AM EDT Sun Jun 29 2025

.REST OF TODAY...South winds 5 to 10 knots. Mostly sunny. Waves 2
feet or less.
.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in
the late morning and afternoon. Partly sunny. A chance of light
showers in the morning...then thunderstorms likely and a chance of
showers in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots veering to the west
after midnight. Mostly cloudy with showers and thunderstorms likely
in the evening...then partly cloudy after midnight. Waves 2 feet or
less.
.TUESDAY...West winds 10 to 15 knots. Mostly sunny in the morning
becoming clear. Waves 2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.THURSDAY...North winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.

$$

SS

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

Graphical marine forecasts are available at weather.gov/greatlakes