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FZUS63 KDTX 131351
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
951 AM EDT Sun Sep 13 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...Post-frontal northwest flow becomes breezy this
afternoon through Monday morning with scattered showers possible.
High pressure, 30.20 inches, then arrives Monday bringing relaxed
flow and dry weather. Low pressure, 29.40 inches, then tracks
across Ontario Tuesday which elevates wind gusts toward gale
force across north and central Lake Huron.

LCZ460-132200-
Lake St Clair-
951 AM EDT Sun Sep 13 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 5 to 10 knots becoming northwest 15 to
20 knots late in the afternoon. Partly sunny. Waves 2 feet or less.
.TONIGHT...Northwest winds 20 to 25 knots becoming north 15 to 20
knots after midnight. Partly cloudy in the evening then clearing.
Waves 1 to 3 feet.
.MONDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and early afternoon...then becoming light and
variable early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots becoming south 20 to
25 knots. Partly cloudy. Waves 2 feet or less.
.TUESDAY...South winds 20 to 25 knots becoming southwest 10 to 15
knots. Partly sunny. A chance of light showers. Light showers in the
evening. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Mostly cloudy with
light showers. Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots. Mostly cloudy with showers
likely. Waves 2 feet or less.

$$

MV

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

Graphical marine forecasts are available at weather.gov/greatlakes