Great Lakes Forecast
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529
FZUS63 KDTX 280159
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
959 PM EDT Mon Apr 27 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...The next low, 29.30 inches, will track through Lake
Superior tonight with showers and embedded thunderstorms. The
cold front passes through on Tuesday.

LCZ460-281000-
Lake St Clair-
959 PM EDT Mon Apr 27 2026

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

.REST OF TONIGHT...South winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots after midnight. Light showers by
midnight...then light showers and scattered thunderstorms early in
the morning. Waves 2 to 4 feet.
.TUESDAY...South winds 20 to 25 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. Numerous light showers early in the morning.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10
knots in the late evening and overnight. Partly cloudy becoming
mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Mostly cloudy. Light
showers likely in the late morning and early afternoon. A chance of
light showers early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming northwest 5
to 10 knots after midnight. Partly cloudy until early morning then
clearing. A chance of light showers early in the evening. Waves 2
feet or less.
.THURSDAY...Northwest winds 10 to 15 knots becoming north 5 to 10
knots in the evening. 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.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes