139
FZUS63 KDTX 091339
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
939 AM EDT Sat May 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...Southwest winds increase today ahead of a cold front,
which will trigger numerous showers and scattered thunderstorms
this afternoon. High pressure returns on Sunday.

LCZ460-092145-
Lake St Clair-
939 AM EDT Sat May 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.REST OF TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Partly sunny. A chance of showers and
thunderstorms early in the afternoon. Light showers likely and a
chance of thunderstorms late in the afternoon. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots becoming north 5 to 10 knots
after midnight. Partly cloudy. Waves 2 feet or less.
.SUNDAY...Northwest winds 5 to 10 knots. Sunny until late afternoon
becoming partly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late evening and overnight. Mostly cloudy becoming
partly cloudy by midnight becoming clear. Waves 2 feet or less.
.MONDAY...North winds 5 to 10 knots becoming northeast 10 to 15
knots in the evening. Sunny in the morning becoming mostly clear.
Waves 2 feet or less.
.TUESDAY...South winds 15 to 20 knots. Showers. Waves 2 feet or
less.
.WEDNESDAY...Northwest winds 20 to 25 knots. Mostly cloudy with
showers. Waves 2 to 4 feet.

$$

SS

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

Graphical marine forecasts are available at weather.gov/greatlakes