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Current Regional Radar

Current Hazards

 

 

Current Forecast


519
FZUS63 KDTX 020153
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
953 PM EDT Wed Apr 1 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 expansive strong surface high, 30.50 inches,
currently situated north of Lake Huron, will continue to push
eastward across Quebec through the evening. Low pressure, 29.50
inches, will approach from the Central Plains into the western
Great Lakes on Thursday, bringing another round of precipitation
to the region. This low will then exit northeast of the Great
Lakes on Friday. Another low, 29.70 inches, then quickly follows
into the region on Saturday.

LCZ460-021000-
Lake St Clair-
953 PM EDT Wed Apr 1 2026

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Mostly cloudy. A
chance of light rain this evening. A chance of light rain early in
the morning. Waves 2 feet or less.
.THURSDAY...East winds 10 to 15 knots. Light rain in the
morning...then a chance of light rain early in the afternoon. Waves
1 to 3 feet.
.THURSDAY NIGHT...South winds 15 to 20 knots becoming southwest 20
to 25 knots with gusts to 30 knots after midnight. Light rain
...then light rain likely after midnight. Waves 1 to 3 feet building
to 2 to 4 feet after midnight. A Small Craft Advisory may be needed.
.FRIDAY...Southwest winds 15 to 20 knots. Partly sunny. Light rain
likely early in the morning. Waves 2 to 4 feet subsiding to 1 to 3
feet in the late morning and afternoon.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming northeast 5
to 10 knots by midnight...then becoming east 10 to 15 knots after
midnight. Partly cloudy early in the evening becoming mostly cloudy.
A chance of light rain. Light rain likely after midnight. Waves 2
feet or less.
.SATURDAY...Southeast winds 15 to 20 knots veering to the southwest
in the afternoon and evening. Light rain likely in the
morning...then a chance of thunderstorms in the afternoon. Rain in
the afternoon and evening. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 20 to 25 knots. Mostly cloudy. Waves 1 to
3 feet.
.MONDAY...North 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


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.