FZUS63 KDTX 170749
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
349 AM EDT Fri Apr 17 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...Fog lingers through the morning with high pressure,
30.00 inches, crossing the region. A powerful cold front arrives
on Saturday, bringing another round of showers and storms in
addition to stronger winds for the weekend.

LCZ460-171600-
Lake St Clair-
349 AM EDT Fri Apr 17 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

.TODAY...Light and variable winds becoming southeast 5 to 10 knots
late in the afternoon. Partly sunny. Widespread dense fog early in
the morning...then areas of dense fog late in the morning. Waves 2
feet or less.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20
knots early in the morning. Partly cloudy ...then showers and a
chance of thunderstorms early in the morning. Waves 2 feet or less.
.SATURDAY...South winds 15 to 20 knots veering to the west early in
the afternoon. A chance of thunderstorms early in the morning. Rain
showers until late afternoon...then a chance of light showers early
in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Mostly cloudy early in the evening becoming
partly cloudy. A chance of light showers . Waves 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 20 knots. Mostly sunny in the
morning...then partly cloudy with a chance of light showers in the
afternoon and evening. Waves 1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy. Waves 2 to
4 feet.

$$

MV

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

Graphical marine forecasts are available at weather.gov/greatlakes