National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KDTX 220805
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
355 AM EDT MON APR 22 2024

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, 30.30 inches, briefly works across the
region today. Low pressure, 29.50 inches, then reaches the Great
Lakes by Tuesday producing some showers and thunderstorms as
conditions warm. A cold front moves through Tuesday night
offering brisk conditions Wednesday.

LCZ460-222000-
Lake St Clair-
355 AM EDT MON APR 22 2024

.TODAY...Southeast winds 5 to 10 knots becoming south 10 to 15
knots. Mostly sunny. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots
after midnight. Partly cloudy in the evening...then mostly cloudy
with a chance of light showers after midnight. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 20 to 25 knots diminishing to 15 to 20
knots early in the afternoon. Mostly cloudy. A chance of light
showers in the morning...then light showers likely in the afternoon.
Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming northwest
20 to 25 knots after midnight. Mostly cloudy. Light showers likely
in the evening. Waves 1 to 3 feet.
.WEDNESDAY...North winds to 30 knots diminishing to 15 to 20 knots.
Mostly cloudy in the morning then clearing. Waves 1 to 3 feet. A
Small Craft Advisory may be needed.
.THURSDAY...Southeast winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of
light showers. Waves 2 feet or less.

$$

CB

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

Graphical marine forecasts are available at weather.gov/greatlakes