The water level in the Great Lakes does indeed fluctuate ... of up to 14 hours, which is why they are often mistaken for tidal action. And, just like in ocean intertidal environments, the animals ...

But did you ever wonder if our own Great Lakes in our backyard have tides? Well, the answer may just surprise you. Ocean tides are ... by definition, does occur twice a day on the Great Lakes ...

With four Great Lakes hugging Michigan’s coastline, taking a dip in a big lake is something thousands of us do each summer ... than what you’d find in the ocean. The Great Lakes are more ...