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FZUS63 KDTX 151345
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
945 AM EDT Tue Jul 15 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...High pressure, 30.10 inches, departs into the eastern
Great Lakes today maintaining dry conditions. A hybrid cold front
and low pressure trough, averaging 29.80 inches, moves into the
Great Lakes Wednesday and Thursday which brings showers and
thunderstorms to the marine zones. Strong to severe thunderstorms
will be possible Wednesday afternoon and evening.

LCZ460-152145-
Lake St Clair-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to 10
knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.WEDNESDAY...South winds 5 to 10 knots. Partly sunny. A chance of
showers in the morning...then a chance of showers and thunderstorms
in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest 10
to 15 knots after midnight. Mostly clear. A chance of showers and
thunderstorms in the evening...then a chance of light showers after
midnight. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots veering to the north in the
evening. Partly sunny with a chance of showers and thunderstorms in
the morning...then partly cloudy with light showers likely and a
chance of thunderstorms in the afternoon and evening. Waves 2 feet
or less.
.FRIDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.SATURDAY...South winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.

$$

MV

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

Graphical marine forecasts are available at weather.gov/greatlakes