904
FZUS63 KDTX 171358
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
958 AM EDT Wed Sep 17 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, 30.20 inches, holds over the eastern
Great Lakes through the middle of the week, which will continue
to support dry weather and light winds. A second high pressure
system will then drop in from the central Canadian provinces,
centering over eastern Ontario by the end of the week.

LCZ460-172200-
Lake St Clair-
958 AM EDT Wed Sep 17 2025

.REST OF TODAY...Light and variable winds. Sunny. Waves 2 feet or
less.
.TONIGHT...Light and variable winds. Clear. Waves nearly calm.
.THURSDAY...Light and variable winds becoming north 5 to 10 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots. Mostly sunny becoming
clear. Waves 2 feet or less.
.SATURDAY...East winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.SUNDAY...South 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