Great Lakes Forecast
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770
FZUS63 KDTX 300139
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
939 PM EDT Sat Aug 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...The Great Lakes are located in between the exiting
high pressure system, 30.30 inches, centered over the Mid
Atlantic coast and low pressure, 29.70 inches, developing over
the Dakotas. Active pattern returns late Sunday into Monday as a
warm front lifts through the area bringing showers and storms.

LCZ460-300945-
Lake St Clair-
939 PM EDT Sat Aug 29 2026

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Mostly cloudy.
Waves 2 feet or less.
.SUNDAY...South winds 5 to 10 knots. Mostly cloudy. A chance of
light showers early in the morning...then light showers likely late
in the morning. A chance of light showers in the afternoon. Waves 2
feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots. Mostly cloudy. A chance
of light showers early in the evening. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Partly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.
.THURSDAY...Northeast winds 10 to 15 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes