Great Lakes Forecast
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894
FZUS63 KDTX 050711
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
311 AM EDT Sun Apr 5 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.

LCZ460-051515-
Lake St Clair-
311 AM EDT Sun Apr 5 2026

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

.TODAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to 3
feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots.
Partly cloudy becoming mostly cloudy. Waves 2 feet or less.
.MONDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in
the late morning and afternoon. Partly sunny. A chance of light
showers early in the morning. Light showers likely early in the
afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy
becoming mostly cloudy. Light showers likely early in the evening.
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.
Mostly clear in the morning then clearing. Waves 2 feet or less.
.WEDNESDAY...South winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.
.THURSDAY...Southwest winds 20 to 25 knots. Partly cloudy. A chance
of light rain. Waves 2 to 4 feet.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes