December 2019
December 15 Water Levels Report
Water levels continue to be well above average and near record high levels. From a month ago, water levels on Lakes Superior, Michigan-Huron, St. Clair, Erie & Ontario are down 1, 1, 4, 1 & 4 inches respectively. Lakes Superior, Michigan-Huron, St. Clair, Erie & Ontario are 4, 17, 6, 2 & 11 inches higher respectively than they were at this time last year, and 14, 36, 28, 25 & 17 inches, respectively above their long term December average. In a month’s time, the levels of Lakes Superior and Michigan Huron are predicted to be 3 and 2 inches lower, respectively, while Lakes St. Clair, Erie, and Ontario are forecasted to be 2, 1 and 2 inches higher respectively. -
Outflows from Lake Superior into the St. Mary’s River and Lake Michigan-Huron’s outflow int