384
FZUS63 KDTX 200155
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
955 PM EDT Sat Apr 19 2025

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, 30.50 inches, builds into the Great
Lakes for the remainder of today into Sunday. Benign marine
conditions thus continue through the weekend. Low pressure, 29.60
inches, then tracks toward the Straits Monday afternoon supporting
thunderstorm chances and elevated winds and waves.

LCZ460-201000-
Lake St Clair-
955 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...North winds 5 to 10 knots becoming northeast 10
to 15 knots early in the morning. Partly cloudy. Waves 2 feet or
less.
.SUNDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and early afternoon...then veering to the
east late in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 10 to 15 knots. Mostly cloudy. A chance
of light rain after midnight. Waves 2 feet or less.
.MONDAY...Southeast winds 15 to 20 knots becoming south 20 to 25
knots with gusts to 30 knots in the late morning and afternoon.
Light rain. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A Small Craft Advisory may be needed.
.MONDAY NIGHT...Southwest winds 20 to 25 knots with gusts to 30
knots becoming west 15 to 20 knots in the late evening and
overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight.
.TUESDAY...West winds 10 to 15 knots becoming north 5 to 10 knots in
the evening. Mostly sunny becoming sunny in the afternoon becoming
mostly clear. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet or
less.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes