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
085
FZUS63 KDTX 050301
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1001 PM EST Tue Nov 4 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 system, 29.70 inches, will tracks into
the Central Great Lakes tomorrow, bringing gust to gales across
Lake Huron and the Saginaw Bay. High pressure, 30.20 inches, will
then briefly fill in on Thursday.

LCZ460-051115-
Lake St Clair-
1001 PM EST Tue Nov 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST WEDNESDAY THROUGH
WEDNESDAY EVENING...

.REST OF TONIGHT...South winds 10 to 15 knots increasing to 20 to 25
knots. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet
early in the morning.
.WEDNESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
veering to the northwest with gusts to 35 knot gales late in the
afternoon. Mostly cloudy with a chance of light rain. Waves 2 to 4
feet.
.WEDNESDAY NIGHT...Northwest winds to 30 knots diminishing to 15 to
20 knots. Clear. A chance of light rain early in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to 10
knots in the late morning and early afternoon...then backing to the
southwest early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...South winds 10 to 15 knots increasing to 20 to 25
knots in the late evening and overnight. Partly cloudy early in the
evening becoming mostly cloudy. A chance of light rain after
midnight. Waves 2 feet or less building to 2 to 4 feet in the late
evening and overnight.
.FRIDAY...South winds 20 to 25 knots becoming southwest 15 to 20
knots in the afternoon and evening. Light rain...then light rain
likely in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in
the evening.
.SATURDAY...Northeast winds 15 to 20 knots. Partly cloudy. A chance
of light rain. Waves 2 feet or less.
.SUNDAY...Northwest winds 20 to 25 knots. Partly cloudy. Light rain
likely and a chance of light snow. Waves 2 to 4 feet.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes