FZUS63 KDTX 091946
GLFSC 

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
346 PM EDT Thu Jul 9 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...A weak low pressure system, 29.80 inches, and trailing
cold front will trek through the Great Lakes region today,
bringing scattered showers and isolated thunderstorms. A
high pressure system, 30.20 inches, is then expected to develop
over the region and persist throughout the weekend.

LCZ460-100400-
Lake St Clair-
346 PM EDT Thu Jul 9 2026

.TONIGHT...West winds 5 to 10 knots veering to the northwest early
in the morning. Variable cloudiness. Numerous showers and 
thunderstorms early in the evening...then scattered showers and 
thunderstorms late in the evening. Waves 2 feet or less.
.FRIDAY...Northeast winds 5 to 10 knots. Partly sunny. A chance of
light showers late in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots becoming north 5 to
10 knots after midnight. Partly cloudy. Waves 2 feet or less.
.SATURDAY...North winds 10 to 15 knots becoming northeast 5 to 10
knots in the late morning and afternoon. Partly sunny. Waves 2 feet
or less.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Clear. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots. Clear. Waves 2 feet or
less.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes