Hovind: Lies in the Textbook

The theoretical amplitude of oceanic tides is about 1 metre at the equator, but the real value differs considerably, not only because of global topography as explained above, but also because the natural period of the oceans is rather large: about 30 hours (by comparison, the natural period of the Earth's crust is about 57 minutes). This means that, if the Moon suddenly vanished, the level of the oceans would oscillate with a period of 30 hours with a slowly decreasing amplitude until the stored energy dissipated completely (this 30 h value is a simple function of terrestrial gravity and the average depth of the oceans). Because the Moon's tidal forces drive the oceans with a period of about 12.42 hours (half of the Earth's synodic period of rotation), complex resonance phenomena take place; the main outcome of which being that the average tidal lag is six hours (which means low tide occurs when the Moon is at its zenith or its nadir, a result that goes against common intuition).

in your biased stance and your anxiety to dogpile on Hovind.

by listening to him you'll likely gain a measure of knowledge in one field or another.