Water Level Updates

September 2020 Water Level Update

The water levels on all the Great Lakes have finally dipped below their long-term monthly averages as of September 11, 2020. Lake Michigan declined 1 inch below the highest recorded monthly average in August previously set in 1986. Even with this decrease, Lake Michigan-Huron was still 3-4 inches above mean water levels from a year…
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August 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of August 2020. Lake Michigan surpassed its record-high monthly mean for July previously set in 1986. This is the seventh monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels remained about…
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July 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of July 2020. Lake Michigan surpassed its record-high monthly mean for June previously set in 1986. This is the sixth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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June 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of June 2020. Lake Michigan surpassed its record-high monthly mean for May previously set in 1986. This is the fifth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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May 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of May 2020. Lake Michigan surpassed its record-high monthly mean for April previously set in 1986. This is the fourth monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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April 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of April 2020. Lake Michigan surpassed its record-high monthly mean for March previously set in 1986. This is the third monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water levels increased by…
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March 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term monthly averages as of the beginning of March 2020. Lake Michigan surpassed its record-high monthly mean for February previously set in 1986. This is the second monthly record set for Lake Michigan in our recent period of high water levels. Lake Michigan water…
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February 2020 Water Level Update

The water levels on all the Great Lakes still remain above their long-term averages as of the beginning of February 2020. Lake Michigan surpassed its record-high monthly mean for January dating back to 1918. This is the first new monthly record set for Lake Michigan in our recent period of high water levels. The Great Lakes…
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January 2020 Water Level Update

The water levels on all the Great Lakes still remain above average as of the beginning of the New Year. Lake Michigan is currently above the highest monthly average for the month of January that was set for the Lake in 1987. If the lake remains at this level, it would be the first new…
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December 2019 Water Level Update

The water levels on all the Great Lakes remain above average into December. Lake Michigan is currently at the same level as the highest monthly average that was set for the Lake in December of 1986. However, the Great Lakes Basin was relatively dry over the past month and as a whole received just two-thirds…
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