National Weather Service Detroit/Pontiac MI
10:01 PM Saturday July 22.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a broad area of low pressure, 29.70 inches, will slowly track across lower michigan through sunday. the system will exit to the east sunday night, pulling a cold front through the central great lakes late sunday and sunday night. high pressure, 30.20 inches, then builds into the area monday and tuesday.