National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KDTX 301356
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
956 AM EDT Thu Mar 30 2023

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 of 30.40 inches passing through southern
Lower Michigan this morning will provide light winds today. A
warm front will lift into the region Thursday night and Friday,
leading to moderate southerly winds and occasional rainfall.
Strong low pressure tracking through Friday night will bring the
potential for gales on Saturday/Saturday evening.

LCZ460-302200-
Lake St Clair-
956 AM EDT Thu Mar 30 2023

...GALE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
EVENING...

.REST OF TODAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...South winds 5 to 10 knots becoming southeast 10 to 15
knots in the late evening and overnight. Mostly cloudy. A chance of
light rain after midnight. Waves 2 feet or less.
.FRIDAY...South winds 15 to 20 knots diminishing to 10 to 15 knots
in the late morning and early afternoon...then increasing to 15 to
20 knots early in the afternoon. Rain in the morning...then light
rain in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales in the late evening and overnight. Rain
and a chance of thunderstorms. Some thunderstorms may produce gusty
winds. Waves 1 to 3 feet building to 3 to 5 feet in the late evening
and overnight. Waves occasionally around 7 feet.  A Gale Warning may
be needed.
.SATURDAY...West winds to 30 knots veering to the northwest in the
evening. Gusts to 40 knot gales. Partly sunny becoming mostly cloudy
in the afternoon becoming partly cloudy. Light rain likely in the
morning...then a chance of light rain in the afternoon. A chance of
light snow in the afternoon and evening. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.SUNDAY...South winds 20 to 25 knots. Mostly clear. Waves 1 to 3
feet.
.MONDAY...Southwest winds 15 to 20 knots. Partly cloudy. Light rain
likely. Waves 1 to 3 feet.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes