354
FZUS63 KDTX 160141
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
941 PM EDT Fri May 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 trough, averaging 29.80 inches, tracks
through the Great Lakes Saturday morning leading to showers and
thunderstorms. Southwest winds become variable with localized
gusty winds over 30 knots possible in any thunderstorm activity.
A shallow cold front stalls south of Lake Huron Saturday night
before high pressure arrives Sunday.

LCZ460-160945-
Lake St Clair-
941 PM EDT Fri May 15 2026

.REST OF TONIGHT...South winds 10 to 15 knots. Clear. Waves 2 feet
or less.
.SATURDAY...South winds 10 to 15 knots becoming southwest 15 to 20
knots in the late morning and early afternoon...then diminishing to
10 to 15 knots late in the afternoon. Partly sunny. Light showers
likely early in the morning...then a chance of light showers in the
late morning and afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots by midnight...then veering to the northwest after midnight.
Partly cloudy. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots veering to the southeast in
the late morning and afternoon. Partly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.MONDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in
the afternoon and evening. Mostly sunny becoming sunny in the
afternoon becoming mostly clear. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 20 to 25 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 1 to 3 feet.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes