721
FZUS63 KDTX 271346
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
946 AM EDT Mon Apr 27 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...The next low, 29.30 inches, will track through Lake
Superior tonight. Brief southerly gales over the north half of
Lake Huron expected, along with showers and embedded
thunderstorms as the cold front passes through Tuesday morning.

LCZ460-272200-
Lake St Clair-
946 AM EDT Mon Apr 27 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY AFTERNOON...

.REST OF TODAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Partly sunny. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 15 to 20 knots becoming south 20 to 25
knots with gusts to 30 knots. A chance of light showers late in
the evening. Light showers and a chance of thunderstorms after
midnight. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.TUESDAY...South winds 20 to 25 knots with gusts to 30 knots
becoming southwest 15 to 20 knots in the late morning and early
afternoon...then becoming west 10 to 15 knots early in the
afternoon. Partly sunny. A chance of light showers until late
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10
knots in the late evening and overnight. Partly cloudy becoming
mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots increasing to 15 to 20 knots
in the evening. Mostly cloudy with a chance of light showers...then
partly cloudy in the evening. Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...North winds 10 to 15 knots. Partly cloudy. 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