Many rivers have tidal flows in their lower reaches. Maybe the Turkish Straits are just an extreme example of that?
Neither do the Straits of Mackinac
A lot of people argue that the Straits of Mackinac is just a very narrow section of a single large lake - in other words that Lake Michigan and Lake Huron are a single lake, not two lakes.
Yes, there is just a single lake comprising Michigan and Huron.[0]