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677
FZUS63 KDTX 010159
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
959 PM EDT Wed Apr 30 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...Deepening low pressure, dropping to around 29.50
inches, lifts directly over the central Great Lakes Thursday
leading to showers. A few thunderstorms, which could
be strong, are possible Thursday evening mainly focused towards
the southern Great Lakes. A weak secondary cold front, 29.70
inches, drops through Friday and is quickly followed by high
pressure of 30.00 inches.

LCZ460-011000-
Lake St Clair-
959 PM EDT Wed Apr 30 2025

.REST OF TONIGHT...East winds 5 to 10 knots increasing to 10 to 15
knots early in the morning. Mostly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 10 to 15 knots veering to the south late
in the afternoon. Showers in the morning...then light showers and a
chance of thunderstorms in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Mostly cloudy.
Light showers and a chance of thunderstorms in the evening...then
light showers likely after midnight. Waves 1 to 3 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots
in the late morning and afternoon. Partly sunny with a chance of
light showers. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots veering to the north
after midnight. Partly cloudy in the evening...then mostly cloudy
with a chance of light rain after midnight. Waves 2 feet or less.
.SATURDAY...North winds 5 to 10 knots. Mostly cloudy in the morning
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.MONDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of
light rain. Waves 2 feet or less.

$$

AA

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

Graphical marine forecasts are available at weather.gov/greatlakes