Great Lakes Forecast
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FZUS63 KDTX 281959
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
359 PM EDT Wed Jun 28 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, 29.50 inches, will travel east from
Minnesota into the Upper Peninsula tonight through Thursday,
bringing the chance for showers and thunderstorms across the
Lakes and Bays. Low pressure, 29.60 inches, will linger around the
Upper Peninsula throughout Thursday, before a second low pressure
system, 29.70 inches, moves from Iowa into Central Michigan Friday
morning into Saturday morning. Showers and thunderstorms, isolated
severe, will be possible through Friday. Breezy conditions will also
be probable across the lakes as winds gust between 20 - 25 knots
early Thursday early morning into Thursday afternoon.

LCZ460-290815-
Lake St Clair-
359 PM EDT Wed Jun 28 2017

.TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots
after midnight. Mostly cloudy until early morning becoming partly
cloudy. A chance of showers and thunderstorms after midnight. Waves
1 to 3 feet.
.THURSDAY...Southwest winds 15 to 20 knots. Mostly cloudy with a
chance of showers and thunderstorms. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 5 to
10 knots. Mostly cloudy with a chance of showers and thunderstorms.
Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon...then increasing to 10 to 15 knots
late in the afternoon. Mostly cloudy. A chance of showers and
thunderstorms until late afternoon...then showers and thunderstorms
likely late in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly cloudy. Showers
and thunderstorms likely until early morning...then a chance of
showers and thunderstorms early in the morning. Waves 2 feet or
less.
.SATURDAY...West winds 5 to 10 knots. Mostly cloudy with a chance of
showers and thunderstorms until late afternoon...then partly cloudy
in the evening. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...Southwest winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.

$$

SP

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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