Great Lakes Forecast
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FZUS63 KDTX 240142
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
942 PM EDT Mon Oct 23 2017

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...Low pressure will deepen to 29.50 inches as it lifts
into central Michigan this evening. The low is then forecast to
rapidly deepen to 29.10 inches as lifts into the straits region
late tonight. There will then be a slow but steady weakening of
the low across the northern Great Lakes on Tuesday before it lifts
north of the region Tuesday night into Wednesday.

LCZ460-240815-
Lake St Clair-
942 PM EDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...Southwest winds 20 to 25 knots with gusts to 30
knots. Light rain this evening...then a chance of light rain
after midnight. Waves 2 to 4 feet.
.TUESDAY...South winds 20 to 25 knots becoming southwest to 30 knots
late in the afternoon. Gusts to 35 knot gales. Mostly cloudy. A
chance of light rain early in the morning...then light showers
likely in the late morning and early afternoon. A chance of light
showers late in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds to 30 knots with gusts to 40 knot
gales diminishing to 15 to 20 knots with gusts to 30 knots. Cloudy
with a chance of light showers. Waves 2 to 4 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to 15
knots late in the afternoon. Cloudy with a chance of light showers.
Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy with a chance of light showers
early in the evening...then partly cloudy in the late evening and
overnight. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming south 15 to 20
knots. Mostly clear. Waves 2 feet or less.
.FRIDAY...West winds 15 to 20 knots. Partly cloudy. A chance of
showers. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.

$$

MANN

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

Graphical marine forecasts are available at weather.gov/greatlakes


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