Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
596
FZUS63 KDTX 120746
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
346 AM EDT Mon May 12 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 of 30.40 inches slowly exits the
Eastern Great Lakes this morning, allowing an extended period of
light southeast winds through Wednesday. A large low pressure
system lifting into the region will bring periods of showers and
isolated thunderstorms Tuesday and Wednesday.

LCZ460-121600-
Lake St Clair-
346 AM EDT Mon May 12 2025

.TODAY...East winds 5 to 10 knots becoming southeast 10 to 15 knots
late in the afternoon. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots. Mostly cloudy with a
chance of light showers. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots becoming east 10 to 15
knots early in the afternoon. Mostly cloudy. A chance of light
showers in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy. A chance of light showers in
the evening. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Mostly cloudy in the
morning...then partly cloudy with a chance of light showers in the
afternoon and evening. Waves 2 feet or less.
.THURSDAY...Southeast winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.FRIDAY...Southwest winds 15 to 20 knots. Mostly clear. Showers
likely and a chance of thunderstorms. Waves 1 to 3 feet.

$$

AA

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

Graphical marine forecasts are available at weather.gov/greatlakes