National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


961
FZUS63 KDTX 160801
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
401 AM EDT Wed Jul 16 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 hybrid cold front and low pressure trough, averaging
29.80 inches, moves into the Great Lakes today and Thursday which
brings showers and thunderstorms to the marine zones. Strong to
severe thunderstorms will be possible this afternoon and evening.
North-northwest winds behind this system will increase on
Thursday, ranging from 20-25 knots.

LCZ460-161615-
Lake St Clair-
401 AM EDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Partly sunny with a chance of
showers and thunderstorms. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to 15
knots early in the morning. Partly cloudy. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots. Partly sunny with light
showers likely and a chance of thunderstorms. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy in the
evening becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon and evening. Mostly sunny becoming sunny in
the afternoon becoming mostly clear. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.
.SUNDAY...Northeast winds 10 to 15 knots. Partly cloudy. A chance of
showers. Waves 2 feet or less.

$$

KGK

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 Detroit River

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

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f30

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f36

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

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

Wave Height Frequency Distribution

Significant Wave Probabilities

Water Level

Detroit River Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

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