NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:47 AM Friday October 31
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE, INCHES, WILL MOVE FROM NORTHERN LAKE HURON THIS MORNING TO THE UPPER OHIO VALLEY BY EVENING.W2 THE LOW WILL THEN WEAKEN OVER THE APPALACHIANS TONIGHT AS LOW PRESSURE DEEPENS OFF THE EAST COAST.W2 MEANWHILE, HIGH PRESSURE OF 3070 INCHES WILL MOVE FROM THE NORTHERN PLAINS THIS MORNING TO THE WESTERN GREAT LAKES BY SATURDAY AFTERNOON.W2 THIS HIGH WILL DRIFT EAST OF THE REGION BY MONDAY.W2 LCZ460-312015.W2 LAKE ST CLAIR.W2 , gale warning in effect from this evening through saturday morning, today, west winds 5 to 10 knots, becoming north 10 to 15 knots by early afternoon, then increasing to 20 to 25 knots with gusts to 30 knots late.W2 light showers through mid afternoon, then light showers and a chance of light snow showers late.W2 waves 2 feet or less.W2 tonight, north winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight.W2 gusts to 35 knot gales.W2 light showers likely and a chance of light snow showers through midnight, then a chance of light showers late.W2 cloudy.W2 waves 1 to 3 feet.W2 saturday, north winds 15 to 20 knots.W2 a chance of light snow showers early.W2 cloudy through mid afternoon, becoming partly sunny.W2 waves 1 to 3 feet.W2 saturday night, north winds 15 to 20 knots, becoming northwest 10 to 15 knots by midnight.W2 partly cloudy.W2 waves 2 feet or less.W2 sunday, northwest winds 10 to 15 knots, becoming southwest 5 to 10 knots by mid afternoon.W2 partly sunny early, becoming mostly clear.W2 waves 2 feet or less.W2 monday, southwest winds 10 to 15 knots.W2 a chance of light showers.W2 partly cloudy.W2 waves 2 feet or less.W2 tuesday, west winds 15 to 20 knots.W2 mostly cloudy with a chance of light showers.W2 waves 2 feet or less.W2