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000
FZUS63 KDTX 230158
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
958 PM EDT Mon Apr 22 2024

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, 30.30 inches, centered over the Lower
Mississippi Valley extends into the central Great Lakes tonight
offering favorable marine conditions. Low pressure, 29.40 inches,
crosses central Ontario and northern Lake Superior late tonight
and Tuesday producing a period of showers which may include some
thunderstorms later in the day, especially ahead of a cold front.
Colder air filters in Tuesday night leading a brisk morning
Wednesday. Benign conditions expected Thursday with high pressure
returning, at least through Friday morning.

LCZ460-231000-
Lake St Clair-
958 PM EDT Mon Apr 22 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to 20
knots after midnight. Partly cloudy this evening becoming mostly
cloudy. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest 20 to 25
knots with gusts to 30 knots late in the morning...then diminishing
to 15 to 20 knots in the afternoon. Mostly cloudy with light showers
likely. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and early morning...then becoming
northwest 15 to 20 knots after midnight. Mostly cloudy. Light
showers likely in the evening. Waves 1 to 3 feet.
.WEDNESDAY...North winds 20 to 25 knots diminishing to 15 to 20
knots early in the afternoon. Partly sunny in the morning then
clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the
afternoon.
.WEDNESDAY NIGHT...North winds 15 to 20 knots diminishing to 5 to 10
knots. Clear. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots veering to the southeast
in the afternoon...then increasing to 10 to 15 knots in the evening.
Mostly sunny in the morning becoming clear. Waves 2 feet or less.
.FRIDAY...Southeast winds 15 to 20 knots. Partly cloudy. A chance of
light showers. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots with gusts to 30 knots.
Mostly cloudy with light showers likely. Waves 2 to 4 feet. A Small
Craft Advisory may be needed.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes