USCG Belle Isle Dashboard

Overview

Detailed Forecast

Wind

Gusts

Waves

Currents & Levels

Outlook

Current Regional Radar

Current Hazards

Current Forecast

603
FZUS63 KDTX 011344
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
944 AM EDT Wed Apr 1 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...An expansive strong surface high, 30.50 inches, draped
north of Lake Superior will drift east into Quebec late today
into tonight. Low pressure, 29.50 inches, will approach from the
central plains into the western Great Lakes tomorrow, bringing
another round of precipitation to the region. This low will exit
northeast of the Great Lakes on Friday. Another second low, 29.70
inches, will follow quickly into the region on Saturday.

LCZ460-012145-
Lake St Clair-
944 AM EDT Wed Apr 1 2026

.REST OF TODAY...Northeast winds 10 to 15 knots. Mostly cloudy. A
chance of light rain late in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 10 to 15 knots. Mostly cloudy. Waves 2
feet or less.
.THURSDAY...East winds 10 to 15 knots. Mostly cloudy. Light rain
likely until late afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...South winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 30 knots in the late evening and overnight.
Mostly cloudy. Light rain likely. A chance of thunderstorms by
midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight.
A Small Craft Advisory may be needed.
.FRIDAY...Southwest winds 20 to 25 knots becoming west 10 to 15
knots. Mostly sunny...then partly cloudy with a chance of light rain
in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon and evening.
.SATURDAY...Southwest winds 15 to 20 knots. Light rain. Waves 1 to 3
feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy with light rain likely. Waves 2 to 4 feet.

$$

MANN

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

Graphical marine forecasts are available at weather.gov/greatlakes