NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
9:40 PM Sunday December 21
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, HIGH PRESSURE, 3060 INCHES, OVER THE FAR EASTERN GREAT LAKES WILL SLOWLY EXIT TO THE EAST TONIGHT.W2 LOW PRESSURE IS FORECAST TO DEVELOP OVER THE PLAINS TONIGHT AND DEEPEN TO INCHES BY MONDAY MORNING.W2 THIS LOW WILL SLOWLY TRACK FROM THE CENTRAL PLAINS MONDAY TO THE UPPER GREAT LAKES BY TUESDAY EVENING WHILE WEAKENING.W2 A SECOND AREA OF LOW PRESSURE IS FORECAST TO DEVELOP OVER THE GULF COASTAL REGION ON TUESDAY AND RAPIDLY STRENGTHEN AS IT TRAVERSES THE EASTERN GREAT LAKES WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT.W2 LCZ460-220915.W2 LAKE ST CLAIR.W2 rest of tonight, southeast winds 5 to 10 knots.W2 partly cloudy.W2 waves 2 feet or less.W2 monday, southeast winds 5 to 10 knots, increasing to 10 to 15 knots late.W2 partly sunny.W2 waves 2 feet or less.W2 monday night, southeast winds 5 to 10 knots, increasing to 10 to 15 knots by late evening.W2 mostly cloudy with light showers likely.W2 waves 2 feet or less.W2 tuesday, south winds 10 to 15 knots, diminishing to 5 to 10 knots late.W2 showers.W2 waves 2 feet or less.W2 tuesday night, southeast winds 5 to 10 knots.W2 cloudy with light showers likely.W2 waves 2 feet or less.W2 wednesday, southeast winds 10 to 15 knots, becoming south 15 to 20 knots in the afternoon, then becoming southwest 20 to 25 knots with gusts to 30 knots by evening.W2 light showers, then light showers likely early in the evening.W2 light snow showers likely by evening.W2 waves 1 to 3 feet.W2 a small craft advisory may be needed.W2 thursday, southwest winds 20 to 25 knots.W2 gusts to 30 knots.W2 mostly cloudy.W2 light snow showers likely.W2 waves 1 to 3 feet.W2 friday, west winds 10 to 15 knots.W2 mostly cloudy with a chance of light snow showers.W2 waves 2 feet or less.W2