Great Lakes Forecast
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167
FZUS63 KDTX 151353
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
953 AM EDT Tue Sep 15 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...Low pressure, 29.30 inches, tracks across northern
Ontario today which elevates wind gusts to gale force across
central and northern Lake Huron. A Gale Warning is in effect
there through this afternoon. The low pressure system ushers a
weak cold front across the region Tuesday night, then high
pressure passes across northern Ontario on Wednesday.

LCZ460-152200-
Lake St Clair-
953 AM EDT Tue Sep 15 2026

.REST OF TODAY...South winds 15 to 20 knots diminishing to 10 to 15
knots late in the afternoon. Partly sunny. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots becoming west 5 to 10 knots by
midnight...then veering to the north early in the morning. Showers
likely in the evening. A chance of thunderstorms. Showers after
midnight. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10
knots early in the afternoon. Mostly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5
to 10 knots in the late evening and overnight. Partly cloudy ...
then mostly cloudy with a chance of light showers after midnight.
Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots. Mostly cloudy with a chance
of light showers in the morning...then partly cloudy in the
afternoon and evening. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.SATURDAY...South winds 15 to 20 knots. Showers and a chance of
thunderstorms. Waves 1 to 3 feet.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes