993
FZUS63 KDTX 170753
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
353 AM EDT Thu Jul 17 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 compact low pressure system, 29.60 inches, moves
through the Great Lakes this morning with showers and
thunderstorms across marine areas. North to northwest winds
behind this system will increase this afternoon, ranging from 20
to 25 knots. Broad high pressure brings light and variable winds
on Friday before the next low pressure arrives on Saturday.

LCZ460-171600-
Lake St Clair-
353 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.TODAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots
late in the afternoon. Partly sunny. Waves 1 to 3 feet.
.TONIGHT...North winds 10 to 15 knots. Mostly cloudy this evening
becoming mostly clear. Waves 2 feet or less.
.FRIDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.SATURDAY...South winds 5 to 10 knots veering to the southwest in
the evening. Partly sunny in the morning becoming mostly cloudy. A
chance of light showers in the morning...then a chance of showers
and thunderstorms in the afternoon and evening. Waves 2 feet or
less.
.SUNDAY...Northeast winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.MONDAY...East winds 5 to 10 knots. Mostly clear. A chance of
showers. Waves 2 feet or less.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes