FZUS63 KDTX 210752

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

352 AM EDT Sun Jun 21 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...Diffuse high pressure, 29.90 inches, holds over the

central Great Lakes today. A compact low pressure system, 29.60

inches, will arrive in the Ohio valley tonight through Monday

morning, bringing renewed rain and thunderstorm chances along

with elevated winds across the southern Great Lakes.



LCZ460-211600-

Lake St Clair-

352 AM EDT Sun Jun 21 2026



.TODAY...North winds 5 to 10 knots early in the morning becoming

light and variable...then becoming southeast 5 to 10 knots late in

the afternoon. Mostly sunny in the morning becoming mostly cloudy.

Waves 2 feet or less.

.TONIGHT...Southeast winds 5 to 10 knots becoming east 10 to 15

knots after midnight. A chance of light showers in the

evening...then showers after midnight. Waves 2 feet or less.

.MONDAY...Northeast winds 15 to 20 knots diminishing to 10 to 15

knots early in the afternoon. Mostly cloudy until late afternoon

then clearing. A chance of light showers until late afternoon. Waves

1 to 3 feet.

.MONDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves 2

feet or less.

.TUESDAY...North winds 5 to 10 knots. Sunny in the morning becoming

mostly clear. Waves 2 feet or less.

.WEDNESDAY...South winds 5 to 10 knots. Partly cloudy. A chance of

showers and thunderstorms. Waves 2 feet or less.

.THURSDAY...Southwest winds 5 to 10 knots. Partly cloudy. Showers

likely and a chance of thunderstorms. 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