NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:42 PM Saturday April 25
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE, AVERAGING INCHES, WILL TRACK ACROSS THE SOUTHERN OHIO VALLEY EARLY TONIGHT.W2 HIGH PRESSURE OVER WESTERN ONTARIO WILL MEANWHILE EXPAND, REACHING INTO THE UPPER MIDWEST AND WESTERN GREAT LAKES BY MONDAY AS IT STRENGTHENS TO 3030 INCHES.W2 LCZ460-260815.W2 LAKE ST CLAIR.W2 tonight, north winds 15 to 20 knots.W2 mostly clear.W2 waves 1 to 3 feet.W2 sunday, north winds 15 to 20 knots, diminishing to 10 to 15 knots by late morning, then increasing to 15 to 20 knots by early afternoon, diminishing to 10 to 15 knots late.W2 partly sunny.W2 waves 2 feet or less.W2 sunday night, north winds 10 to 15 knots, diminishing to 5 to 10 knots by midnight, then becoming northwest 10 to 15 knots after midnight.W2 mostly cloudy with a chance of light showers.W2 waves 2 feet or less.W2 monday, north winds 10 to 15 knots.W2 mostly cloudy.W2 a chance of light showers through early afternoon.W2 waves 2 feet or less.W2 monday night, north winds 5 to 10 knots.W2 partly cloudy.W2 waves 2 feet or less.W2 tuesday, north winds 5 to 10 knots, becoming light and variable.W2 mostly clear.W2 waves 2 feet or less.W2 wednesday, light and variable winds.W2 partly cloudy.W2 waves 2 feet or less.W2 thursday, north winds 5 to 10 knots.W2 mostly clear.W2 waves 2 feet or less.W2