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607
FZUS63 KDTX 220147
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
947 PM EDT Wed May 21 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...Low pressure, 29.60 inches, will continue to meander
across Lake Erie through the day. This will reinforce northeast
flow across Lake Huron and northwest across Lake St. Clair and
Lake Erie today. Low pressure will gradually weaken towards the
end of the week as it arrives over Lake Ontario early Friday
before phasing into New England by the weekend.

LCZ460-221000-
Lake St Clair-
947 PM EDT Wed May 21 2025

.REST OF TONIGHT...Northwest winds 10 to 15 knots. Patchy fog this
evening. Cloudy with showers likely. Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon. Cloudy. Light showers likely in the
morning...then a chance of light showers in the afternoon. Waves 1
to 3 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10
to 15 knots in the late evening and overnight. Mostly cloudy in the
evening becoming partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 10 to 15 knots. Partly sunny. A chance of
light showers in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon and evening. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.MONDAY...Northeast winds 10 to 15 knots. Partly cloudy. 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