NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:59 AM Friday January 30
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, HIGH PRESSURE, 3040 INCHES, WILL BUILD ACROSS THE CENTRAL GREAT LAKES THROUGH TONIGHT.W2 LOW PRESSURE OF 3030 INCHES WILL THEN MOVE EAST ACROSS CENTRAL ONTARIO SATURDAY AND SATURDAY NIGHT.W2 STRONGER LOW PRESSURE WILL MOVE THROUGH THE SOUTHERN OHIO VALLEY ON SUNDAY.W2 LCZ460-302115.W2 LAKE ST CLAIR.W2 today, northwest winds 15 to 20 knots with gusts to 30 knots, diminishing to 10 to 15 knots late.W2 partly sunny.W2 tonight, west winds 5 to 10 knots early in the evening, becoming light and variable, then becoming southwest 5 to 10 knots after midnight.W2 partly cloudy mainly before midnight, becoming mostly cloudy overnight.W2 saturday, southwest winds 5 to 10 knots, increasing to 10 to 15 knots by late morning, then diminishing to 5 to 10 knots late.W2 mostly cloudy with a chance of light snow showers.W2 saturday night, southwest winds 5 to 10 knots, veering to the north after midnight, then increasing to 10 to 15 knots late.W2 mostly cloudy with a chance of light snow.W2 sunday, north winds 10 to 15 knots, increasing to 15 to 20 knots by afternoon.W2 light snow, then a chance of light snow by evening.W2 monday, southwest winds 15 to 20 knots.W2 partly cloudy.W2 a chance of light snow.W2 tuesday, south winds 10 to 15 knots.W2 mostly cloudy with a chance of light snow showers.W2 waves omitted due to ice coverage.W2