Great Lakes Forecast
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349
FZUS63 KDTX 300148
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
948 PM EDT Wed Apr 29 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 diffuse low pressure system, 30.00, will very
gradually move across the Great Lakes through the mid to late
week period. This will bring periods of isolated showers and
will generally maintain lighter northwest flow.

LCZ460-301000-
Lake St Clair-
948 PM EDT Wed Apr 29 2026

.REST OF TONIGHT...North winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy. Showers diminishing after
midnight. Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and afternoon. Partly sunny. Waves 2 feet
or less.
.THURSDAY NIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.FRIDAY...Northwest winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Partly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. Partly cloudy. Waves 2 feet
or less.
.SATURDAY...Northwest winds 5 to 10 knots. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance of
light showers. Waves 2 feet or less.
.MONDAY...West winds 10 to 15 knots. Partly cloudy. A chance of
light showers. 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