931
FZUS63 KDTX 221949
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
349 PM EDT Thu May 22 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 and Lake Ontario through the day. This will
maintain northwest flow across the Great Lakes. Low pressure will
gradually weaken towards the end of the week, phasing with a
second low pressure system across New England.

LCZ460-230400-
Lake St Clair-
349 PM EDT Thu May 22 2025

.TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15
knots in the late evening and overnight. Mostly cloudy this evening
becoming partly cloudy. Waves 1 to 3 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15
knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 3
feet.
.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 late morning and afternoon. Partly sunny. Waves 2 feet
or less.
.SATURDAY NIGHT...North winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots veering to the northeast in the
evening. Mostly clear. Waves 2 feet or less.
.MONDAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.TUESDAY...East winds 10 to 15 knots. Mostly cloudy with a chance of
showers. Waves 2 feet or less.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes