2019-Jul-15
July 14 Water Levels Report
Water levels remain high across all the Great Lakes, meeting or exceeding the record high July level. Over the last month, Lake Superior and Lake Ontario have decreased by 1 & 4 inches respectively, Lakes Michigan-Huron and St. Clair have increased by 3 and 4 inches, respectively and Lake Erie is unchanged. Over the next month, Lakes Superior and Michigan-Huron are projected to remain fairly steady, while Lakes St. Clair, Erie and Ontario are expected to decline 3, 5, and 10 inches, respectively.
Outflows from Lake Superior through the St. Mary’s River, and Lake Michigan-Huron’s outflow into the St. Clair River, are projected to be above average in July. Lake St. Clair’s outflow through the Detroit River is also forecasted to be above average.
