The U.S. Army Corps of Engineers Detroit District weekly Great Lakes water level update dated August 7, 2026 forecast Lake Erie at 572.24 feet (IGLD 1985), which is 36 inches above chart datum. Compared with its long-term average August level, calculated over the 1918 to 2025 period of record, Lake Erie is 5 inches above average, and it is 1 inch above where it stood on August 7, 2025. The lake is 24 inches below the highest August monthly average on record, set in 2019, and 39 inches above the lowest, set in 1934. The Corps projects Lake Erie will decline about 4 inches by September 7.
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Lake Erie sits about 5 inches above its long-term August average, with a 4-inch decline forecast by September
Water levels above chart datum mean charted depths are conservative for now, but the forecast seasonal decline matters for shallow approaches and dock depths into September.
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Source:
U.S. Army Corps of Engineers, Detroit District — Weekly Great Lakes Water Level Update.
Publisher date: .
Evidence checked August 10, 2026.
This is an original summary written for Cedar Point Marina; follow the source link for the publisher's full context.
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