107
FZUS63 KDTX 311940
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
340 PM EDT Thu Jul 31 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 around 30.40 inches gradually expands
into the region from the north and west this evening into Friday
before taking residence overhead through this weekend.

LCZ460-010345-
Lake St Clair-
340 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northeast winds 15 to 20 knots diminishing to 10 to 15
knots early in the morning. Mostly clear. Haze early in the evening.
Waves 1 to 3 feet.
.FRIDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.FRIDAY NIGHT...North winds 10 to 15 knots becoming northeast 5 to
10 knots after midnight. Clear. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Sunny. Waves 2 feet or less.
.SATURDAY NIGHT...Light and variable winds. Clear. Waves nearly
calm.
.SUNDAY...Light and variable winds becoming southeast 5 to 10 knots
in the afternoon and evening. Sunny becoming mostly clear. Waves 2
feet or less.
.MONDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...East winds 5 to 10 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