Great Lakes Forecast
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FZUS63 KDTX 070734
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
334 AM EDT Tue Oct 7 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...A cold front, average pressure 30.00 inches, will move
across southern Michigan and into Lake Erie today. Showers and
scattered thunderstorms will occur along this front. High
pressure, 30.50 inches, will expand into the Great Lakes region
from the northwest on Wednesday. This high will influence the
region through Thursday.

LCZ460-071545-
Lake St Clair-
334 AM EDT Tue Oct 7 2025

.TODAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots
late in the morning...then becoming north 10 to 15 knots in the
afternoon. Mostly cloudy. Scattered thunderstorms early in the
morning. Scattered showers in the morning. Numerous light showers in
the afternoon. Waves 2 feet or less.
.TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots
early in the morning. Mostly cloudy with scattered light showers
early in the evening...then mostly clear in the late evening and
overnight. Waves 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots diminishing to 10 to 15
knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Clear. Waves 2
feet or less.
.THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.SATURDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes