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740
FZUS63 KDTX 011933
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
333 PM EDT Wed Apr 1 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...The expansive strong surface high, 30.50 inches,
currently situated north of Lake Superior, will continue to push
eastward across Quebec through tonight. Low pressure, 29.50
inches, will approach from the central plains into the western
Great Lakes on Thursday, bringing another round of precipitation
to the region. This low will then exit northeast of the Great
Lakes on Friday. Another second low, 29.70 inches, will follow
quickly into the region on Saturday.

LCZ460-020345-
Lake St Clair-
333 PM EDT Wed Apr 1 2026

.TONIGHT...Northeast winds 10 to 15 knots. Mostly cloudy. A chance
of light rain late in the evening. A chance of light rain early in
the morning. Waves 2 feet or less.
.THURSDAY...East winds 10 to 15 knots. Light rain in the
morning...then a chance of light rain early in the afternoon. Waves
1 to 3 feet.
.THURSDAY NIGHT...South winds 15 to 20 knots becoming southwest 20
to 25 knots with gusts to 30 knots after midnight. Light rain
...then light rain likely after midnight. Waves 1 to 3 feet building
to 2 to 4 feet after midnight. A Small Craft Advisory may be needed.
.FRIDAY...Southwest winds 15 to 20 knots. Partly sunny. Light rain
likely early in the morning. Waves 2 to 4 feet subsiding to 1 to 3
feet in the late morning and afternoon.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming northeast 5
to 10 knots by midnight...then becoming east 10 to 15 knots after
midnight. Partly cloudy early in the evening becoming mostly cloudy.
A chance of light rain. Light rain likely after midnight. Waves 2
feet or less.
.SATURDAY...Southeast winds 15 to 20 knots veering to the southwest
in the afternoon and evening. Light rain likely in the
morning...then a chance of thunderstorms in the afternoon. Rain in
the afternoon and evening. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 20 to 25 knots. Mostly cloudy. Waves 1 to
3 feet.
.MONDAY...North winds 10 to 15 knots. Partly cloudy. 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