Great Lakes Forecast
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756
FZUS63 KDTX 200752
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
352 AM EDT Sun Apr 20 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 builds to 30.50 inches as it drifts
overhead today, allowing benign marine conditions to persist. Low
pressure, 29.60 inches, then tracks across the western Great
Lakes on Monday drawing an occluded front across the local
waters. Shower and thunderstorms are expected in the morning,
with winds and waves increasing through the day.

LCZ460-201600-
Lake St Clair-
352 AM EDT Sun Apr 20 2025

.TODAY...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon...then veering to the
southeast late in the afternoon. Partly sunny. Waves 2 feet or less.
.TONIGHT...East winds 10 to 15 knots increasing to 15 to 20 knots
after midnight...then diminishing to 10 to 15 knots early in the
morning. Mostly cloudy. A chance of light rain after midnight. Waves
2 feet or less.
.MONDAY...Southeast winds 10 to 15 knots becoming south 15 to 20
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...West winds 15 to 20 knots. Gusts to 30 knots early
in the evening. 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...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.THURSDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance
of light rain. Waves 2 feet or less.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes