Great Lakes Forecast
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869
FZUS63 KDTX 070730
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
330 AM EDT Tue Jul 7 2026

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, 30.10 inches, holds over the Great
Lakes today before departing into the Appalachia region tomorrow.
A low pressure system and cold front will then move across the
region Thursday, bringing the next chance for active weather.

LCZ460-071530-
Lake St Clair-
330 AM EDT Tue Jul 7 2026

.TODAY...North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.TONIGHT...Northeast winds 5 to 10 knots this evening becoming light
and variable. Mostly clear. Patchy fog early in the morning. Waves 2
feet or less.
.WEDNESDAY...Light and variable winds becoming southeast 5 to 10
knots early in the afternoon. Mostly sunny. Patchy fog early in the
morning. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots veering to the
southwest after midnight. Mostly clear. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon...then becoming west 5 to 10 knots in the
evening. Mostly sunny in the morning...then a chance of showers and
thunderstorms in the afternoon. Partly cloudy with light showers
likely and a chance of thunderstorms in the evening. Waves 2 feet or
less.
.FRIDAY...Northeast winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes