NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
9:42 PM Wednesday September 17
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, HIGH PRESSURE OF 3030 INCHES CENTERED OVER THE NORTHERN GREAT LAKES ON THURSDAY WILL SLOWLY DRIFT EASTWARD BY FRIDAY.W2 THE NEXT LOW PRESSURE SYSTEM, AVERAGING INCHES, WILL THEN SLIDE ACROSS CENTRAL CANADA AND THE NORTHERN GREAT LAKES REGION ON FRIDAY NIGHT THROUGH SUNDAY MORNING.W2 THIS LOW WILL BRING UNSETTLED WEATHER TO THE GREAT LAKES.W2 LCZ460-180800.W2 LAKE ST CLAIR.W2 rest of tonight, northwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight.W2 partly cloudy.W2 waves 2 feet or less.W2 thursday, north winds 10 to 15 knots.W2 partly sunny.W2 waves 2 feet or less.W2 thursday night, northeast winds 10 to 15 knots, diminishing to 5 to 10 knots by midnight.W2 mostly clear.W2 waves 2 feet or less.W2 friday, southeast winds 5 to 10 knots.W2 partly sunny through early afternoon, then clearing.W2 waves 2 feet or less.W2 friday night, south winds 5 to 10 knots, increasing to 10 to 15 knots late.W2 mostly clear.W2 waves 2 feet or less.W2 saturday, southwest winds 15 to 20 knots.W2 a chance of light showers.W2 partly cloudy, becoming mostly cloudy.W2 waves 1 to 3 feet.W2 sunday, northwest winds 15 to 20 knots.W2 a chance of light showers.W2 partly cloudy.W2 waves 2 feet or less.W2 monday, north winds 10 to 15 knots.W2 partly cloudy.W2 waves 2 feet or less.W2