Great Lakes Forecast
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831
FZUS63 KDTX 281350
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
950 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.

LCZ460-282200-
Lake St Clair-
950 AM EDT Tue Apr 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. Partly sunny. Waves 1 to 3 feet.
.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.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes