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FZUS63 KDTX 291341
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
941 AM EDT Tue Sep 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...Broad high pressure, 30.10 inches, drifts across the
Great Lakes this morning. Calm winds organize out of the
southwest ahead of a more unsettled pattern to close out of the
work week. A strong cold front brings a pattern shift Friday into
this weekend.

LCZ460-292145-
Lake St Clair-
941 AM EDT Tue Sep 29 2026

.REST OF TODAY...Light and variable winds becoming southeast 5 to 10
knots late in the afternoon. Mostly sunny. Patchy fog late in the
morning. Waves nearly calm.
.TONIGHT...South winds 5 to 10 knots veering to the southwest early
in the morning. Partly cloudy becoming mostly cloudy. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly cloudy. Waves 2 feet
or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy with a
chance of light showers. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming west 5 to 10
knots in the evening. Mostly cloudy with a chance of light showers.
Waves 2 feet or less.
.FRIDAY...Northeast winds 15 to 20 knots. Showers. Waves 2 feet or
less.
.SATURDAY...East winds 10 to 15 knots. Partly cloudy. Waves 2 feet
or less.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes