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540
FZUS63 KDTX 250730
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
330 AM EDT Wed Mar 25 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...Weak low pressure, 29.70 inches, crosses the northern
Great Lakes mid-week resulting in a warm front lifting through
the central lakes. System eventually drags a cold front through
the region late Thursday supporting showers and a few
potentially strong thunderstorms over the southern Great Lakes.
Northerly winds strengthen going into Friday as cold air returns.
There is a low chance for a few hour period Thursday night for
gusts to reach gales.

LCZ460-251530-
Lake St Clair-
330 AM EDT Wed Mar 25 2026

.TODAY...Southeast winds 5 to 10 knots becoming south 10 to 15 knots
in the afternoon. Mostly cloudy. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots veering to the southwest early
in the morning. Partly cloudy. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots. Partly sunny. Light
showers likely and a chance of thunderstorms early in the afternoon.
Waves 2 feet or less.
.THURSDAY NIGHT...North winds 15 to 20 knots. Mostly cloudy. Light
showers likely and a chance of thunderstorms early in the
evening...then light showers likely by midnight. Waves 1 to 3 feet.
.FRIDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon and evening. Mostly cloudy in the morning then
clearing. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.SUNDAY...South winds 15 to 20 knots. Partly cloudy. 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