Great Lakes Forecast
Issued by NWS

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583
FZUS63 KDTX 300721
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
321 AM EDT Sun Aug 30 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 today into Monday as a
warm front lifts through the area bringing showers and storms.

LCZ460-301530-
Lake St Clair-
321 AM EDT Sun Aug 30 2026

.TODAY...South winds 5 to 10 knots. Mostly cloudy. Showers likely in
the late morning and afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots veering to the southwest
early in the morning. Mostly cloudy. Showers likely early in the
evening...then a chance of thunderstorms late in the evening. A
chance of light showers in the late evening and overnight. Waves 2
feet or less.
.MONDAY...Southwest winds 5 to 10 knots. Mostly cloudy. A chance of
light showers early in the morning. Waves 2 feet or less.
.MONDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves 2
feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Partly cloudy. A chance
of showers and thunderstorms. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance
of showers and thunderstorms. Waves 2 feet or less.

$$

AA

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

Graphical marine forecasts are available at weather.gov/greatlakes