Great Lakes Forecast
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FZUS63 KDTX 051342
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
942 AM EDT Sun Oct 5 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, 29.40 inches, will lift from northern
Ontario into James Bay tonight. This system will force a cold
front across Lake Huron on Monday, average pressure 30.00 inches.
This front will settle into Lake Erie on Tuesday and will bring
showers and a few thunderstorms. High pressure will
then expand across the region from the northwest on Wednesday.

LCZ460-052200-
Lake St Clair-
942 AM EDT Sun Oct 5 2025

.REST OF TODAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...Southwest winds 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy until
early morning. A chance of light showers until early morning. A
chance of thunderstorms in the late evening and overnight. Showers
after midnight. Waves 2 feet or less.
.TUESDAY...West winds 10 to 15 knots veering to the north in the
afternoon and evening. Becoming partly cloudy in the evening.
Showers. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.THURSDAY...East winds 10 to 15 knots. Clear. Waves 2 feet or less.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes