503
FZUS63 KDTX 150741
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
341 AM EDT Sat Aug 15 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...High pressure, 30.20 inches, currently centered over
northern Lake Huron will hold most of the day before sliding
southeast through the eastern Lakes. The next low pressure system
will pass through the region tonight and Sunday bringing the next
thunderstorm chances.

LCZ460-151545-
Lake St Clair-
341 AM EDT Sat Aug 15 2026

.TODAY...Northeast winds 5 to 10 knots early in the morning becoming
light and variable...then becoming southeast 5 to 10 knots in the
afternoon. Partly sunny in the morning becoming mostly cloudy. Waves
2 feet or less.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to 10
knots early in the morning. Mostly cloudy becoming partly cloudy. A
chance of light showers in the evening. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots veering to the west early in
the afternoon. Partly sunny. A chance of showers and thunderstorms
early in the afternoon. Waves 2 feet or less.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots increasing to 10 to 15
knots in the late evening and overnight. Partly cloudy. A chance of
showers and thunderstorms early in the evening. Waves 2 feet or
less.
.MONDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots in
the afternoon...then veering to the northeast in the evening. Mostly
clear in the morning then clearing. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.WEDNESDAY...Northwest winds 15 to 20 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes