FZUS63 KDTX 190825
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
325 AM EST Thu Feb 19 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...Areas of locally dense marine fog persist tonight with
decreasing precipitation chances. Winds hold from the ESE into
Thursday with slightly weaker flow expected. Potential exists for
additional gusts to gales over northern Lake Huron Friday.

LCZ460-191630-
Lake St Clair-
325 AM EST Thu Feb 19 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST TODAY...

.TODAY...East winds 10 to 15 knots. Mostly cloudy. Widespread fog in
the morning. A chance of light rain late in the afternoon.
.TONIGHT...East winds 15 to 20 knots becoming southeast 10 to 15
knots early in the morning. Mostly cloudy. A chance of light rain
...then light rain likely early in the morning.
.FRIDAY...South winds 15 to 20 knots becoming southwest 20 to 25
knots with gusts to 30 knots in the late morning and afternoon.
Light rain early in the morning...then a chance of light rain in the
late morning and afternoon. A chance of light snow early in the
afternoon. A Small Craft Advisory may be needed.
.FRIDAY NIGHT...West winds 20 to 25 knots diminishing to 10 to 15
knots. Mostly cloudy.
.SATURDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots
in the afternoon and evening. Mostly cloudy. A chance of light snow
in the evening.
.SUNDAY...North winds 15 to 20 knots. Mostly cloudy with a chance of
light snow.
.MONDAY...North winds 20 to 25 knots. Mostly cloudy.

Waves omitted due to ice coverage.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes