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Current Forecast


318
FZUS63 KDTX 250126
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
926 PM EDT Thu Jul 24 2025

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...A weak cold front stretching across central Lake Huron
to southern Lake Michigan will settle south through the region
tonight. A few showers and thunderstorms are still possible as
this front moves across the region. This front stalls just south
of Lake Erie Friday and moves back north during the weekend for a
continue active pattern of showers and thunderstorms.

LCZ460-250930-
Lake St Clair-
926 PM EDT Thu Jul 24 2025

.REST OF TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Mostly cloudy with a chance of showers
and thunderstorms. Waves 2 feet or less.
.FRIDAY...Northwest winds 5 to 10 knots veering to the north in the
afternoon. Partly sunny. Light showers likely early in the morning.
A chance of thunderstorms in the morning. A chance of light showers
late in the morning. Waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy. A
chance of light showers after midnight. Waves 2 feet or less.
.SATURDAY...East winds 5 to 10 knots veering to the south in the
late morning and afternoon. Mostly cloudy. A chance of light
showers. A chance of thunderstorms early in the afternoon. Waves 2
feet or less.
.SATURDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Mostly cloudy. A chance
of showers and thunderstorms until early morning...then light
showers likely and a chance of thunderstorms after midnight. Waves 2
feet or less.
.SUNDAY...West winds 5 to 10 knots. Partly sunny becoming mostly
sunny in the afternoon becoming clear. Light showers likely in the
morning. A chance of light showers in the afternoon. Waves 2 feet or
less.
.MONDAY...West winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.

$$

MANN

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

Graphical marine forecasts are available at weather.gov/greatlakes


Forecast Time Series for Lake St Clair

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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f36

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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f02

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(click to enlarge)

Wave Heights

Now-15 hours

Significant

Occasional

(top 10%)

Wave Heights

18-60 hours

Significant

Occasional

(top 10%)

Wave Height Frequency Distribution

Significant Wave Probabilities

Water Level

Lake St. Clair Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

Prototype: Under Development: Not to be relied on for Operational Decision Making.