790
FZUS63 KDTX 190755
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
355 AM EDT Tue Aug 19 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...Low pressure, 29.90 inches, tracks across the central
Great Lakes today, triggering showers and thunderstorms. Gusty
northeast wind will follow the departure of this system on
Wednesday. High pressure builds in from the northern Great Lakes
through the late week.

LCZ460-191600-
Lake St Clair-
355 AM EDT Tue Aug 19 2025

.TODAY...Southeast winds 5 to 10 knots. Showers and a chance of
thunderstorms. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots backing to the northeast after
midnight...then increasing to 10 to 15 knots early in the morning.
Partly cloudy this evening becoming mostly cloudy. Showers likely
and a chance of thunderstorms early in the evening. A chance of
showers in the late evening and early morning. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Partly sunny. Waves 1 to 3
feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots diminishing to 10
to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny becoming
clear. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Clear. Waves 2 feet or less.
.SATURDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

BT

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

Graphical marine forecasts are available at weather.gov/greatlakes