NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:45 PM Tuesday July 22
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE AVERAGING INCHES WILL TRACK EASTWARD ACROSS LAKE SUPERIOR TONIGHT INTO WESTERN ONTARIO.W2 AN ASSOCIATED COLD FRONT WILL SIMULTANEOUSLY SETTLE SOUTHWARD THROUGH LOWER MICHIGAN.W2 SURFACE HIGH PRESSURE, AVERAGING 3020 INCHES, WILL THEN BUILD INTO THE GREAT LAKES THROUGH THE REMAINDER OF THE WEEK.W2 LCZ460-230800.W2 LAKE ST CLAIR.W2 tonight, southwest winds 5 to 10 knots, becoming west 10 to 15 knots late.W2 a chance of showers and thunderstorms.W2 partly cloudy through midnight, becoming mostly cloudy overnight.W2 waves 2 feet or less.W2 wednesday, north winds 10 to 15 knots.W2 partly sunny.W2 waves 2 feet or less.W2 wednesday night, north winds 10 to 15 knots.W2 mostly clear.W2 waves 2 feet or less.W2 thursday, north winds 5 to 10 knots.W2 mostly sunny.W2 waves 2 feet or less.W2 thursday night, north winds 5 to 10 knots early in the evening, becoming light and variable overnight.W2 mostly clear.W2 waves 2 feet or less.W2 friday, southwest winds 5 to 10 knots.W2 sunny through early afternoon, becoming mostly clear.W2 waves 2 feet or less.W2 saturday, south winds 5 to 10 knots.W2 a chance of showers and thunderstorms.W2 partly cloudy.W2 waves 2 feet or less.W2 sunday, west winds 5 to 10 knots.W2 a chance of showers and thunderstorms.W2 partly cloudy.W2 waves 2 feet or less.W2