144
FZUS63 KDTX 280736
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
336 AM EDT Tue Apr 28 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...A low pressure system, 29.30 inches, exits Lake
Superior and moves into central Ontario this morning as its
expansive low-level wind field migrates across the central Great
Lakes. Showers and embedded thunderstorms are expected before the
cold front passes through midday.

LCZ460-281545-
Lake St Clair-
336 AM EDT Tue Apr 28 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...South winds 20 to 25 knots with gusts to 30 knots becoming
southwest 15 to 20 knots in the late morning and early
afternoon...then becoming west 10 to 15 knots late in the afternoon.
Cloudy early in the morning becoming partly sunny. A chance of light
showers early in the morning. Waves 2 to 4 feet subsiding to 1 to 3
feet in the late morning and afternoon.
.TONIGHT...West winds 10 to 15 knots becoming northwest 5 to 10
knots in the late evening and overnight. Partly cloudy. Waves 2 feet
or less.
.WEDNESDAY...Northeast winds 5 to 10 knots becoming north 10 to 15
knots in the late morning and afternoon. Mostly cloudy with a chance
of light showers. Waves 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming northwest 5
to 10 knots after midnight. Partly cloudy. A chance of light showers
early in the evening. Waves 2 feet or less.
.THURSDAY...Northwest winds 5 to 10 knots. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...North winds 10 to 15 knots. Partly cloudy. Waves 2 feet or
less.
.SATURDAY...Northwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

AA

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

Graphical marine forecasts are available at weather.gov/greatlakes