cause the multiverse, also known as a maniverse, megaverse, metaverse, omniverse, or meta-universe, is a hypothetical group of multiple universes. Together, these universes comprise everything that exists: the entirety of space, time, matter, energy, and the physical laws and constants that describe them.
sometimes, we don't know where tides came from or what they formed. as far as i know, it is because of winds. the winds will blow the water and it becomes waves and somehow waves can create tides.
also the gravity. because of gravity, tides were formed. even the revolving of earth can affect the tides.
also the moon. tides were formed because of its magnetic that full the water.