The National Weather Service nearshore marine forecast issued at 3:55 p.m. EDT on August 10, 2026 listed Lake Erie water temperatures of 77 degrees off Toledo, 76 degrees off Cleveland and 77 degrees off Erie. For comparison, the National Weather Service Cleveland office's published table of average Lake Erie water temperatures off Cleveland for the 1981 to 2010 period gives 75 degrees for August 10, and 74 to 75 degrees across the first half of August.