877
FZUS63 KDTX 170209
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1009 PM 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 compact low pressure system, 29.60 inches, moves
through the Great Lakes late tonight and into the morning hours.
This system will bring showers and thunderstorms, especially for
marine areas north of Lake St. Clair. North to northwest winds
behind this system will increase tomorrow afternoon, ranging from
20 to 25 knots. Broad high pressure brings light and variable
winds on Friday before the next low pressure arrives on Saturday.

LCZ460-171015-
Lake St Clair-
1009 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

.REST OF TONIGHT...South winds 5 to 10 knots becoming southwest 15
to 20 knots. Partly cloudy this evening...then mostly cloudy with a
chance of light showers after midnight. Waves 2 feet or less.
.THURSDAY...West winds 15 to 20 knots with gusts to 30 knots
becoming northwest 10 to 15 knots late in the afternoon. Mostly
cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy in the
evening becoming partly cloudy. Waves 1 to 3 feet.
.FRIDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.SATURDAY...South winds 5 to 10 knots veering to the southwest in
the evening. Partly sunny becoming mostly cloudy. A chance of light
showers in the morning...then a chance of showers and thunderstorms
in the afternoon and evening. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.MONDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

JA

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

Graphical marine forecasts are available at weather.gov/greatlakes