Water Physics basics proves flat earth. If you can’t demonstrate that water can somehow be held in a “bulge” then you can’t prove the earth is round. Water physics and elementary fluid dynamics are directly opposite to a curved ball. Even the depth of a lake is impossible in the globe model.

Tsunami video: https://youtu.be/OdhfV-8dbCE

Lake Ponchatrain Nauticle Chart: https://www.oceangrafix.com/chart/zoom?chart=11369