Great Lakes Forecast
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469
FZUS63 KDTX 050150
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
950 PM EDT Sat Apr 4 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...Departing low pressure ushers in a cooler air mass on
gusty westerly wind today with gales forecast across northern
Lake Huron. A weak clipper system tracks through Monday into
early Tuesday, followed by high pressure Tuesday night. The next
low organizes over the upper Midwest Wednesday, sending a cold
front through on Thursday.

LCZ460-051000-
Lake St Clair-
950 PM EDT Sat Apr 4 2026

.REST OF TONIGHT...West winds 10 to 15 knots increasing to 15 to 20
knots after midnight. Mostly cloudy. A chance of light rain this
evening. Waves 1 to 3 feet.
.SUNDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3
feet.
.SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 10
knots. Partly cloudy. A chance of light rain after midnight. Waves 2
feet or less.
.MONDAY...West winds 5 to 10 knots increasing to 15 to 20 knots.
Partly sunny. A chance of light rain early in the morning. Light
rain likely early in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. Waves
1 to 3 feet.
.TUESDAY...North winds 15 to 20 knots diminishing to 5 to 10 knots
in the afternoon...then veering to the southeast in the evening.
Partly sunny becoming mostly sunny in the afternoon becoming clear.
Waves 2 feet or less.
.WEDNESDAY...South winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.
.THURSDAY...West winds 20 to 25 knots with gusts to 30 knots. Partly
cloudy. A chance of light rain. Waves 2 to 4 feet. A Small Craft
Advisory may be needed.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes