Great Lakes Forecast
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923
FZUS63 KDTX 190741
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
341 AM EDT Wed Aug 19 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...High pressure, 30.00 inches, builds in tonight and
Thursday providing light winds. Showers and thunderstorm chances
increase Friday evening and especially Saturday ahead of the next
cold front.

LCZ460-191545-
Lake St Clair-
341 AM EDT Wed Aug 19 2026

.TODAY...West winds 10 to 15 knots becoming northwest 5 to 10 knots
in the late morning and early afternoon...then veering to the
northeast late in the afternoon. Partly sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Partly sunny. Waves 2
feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.FRIDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon and evening. Mostly clear. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes