There are two somewhat different answers to your question. The traditional answer is “around the world”. read more
Out in the middle of an ocean, the high tide is actually only about 21 inches high, but the water sort of “piles up” when it runs into a continent. If that water then gets funneled into a “narrowing bay” such as the Bay of Fundy, it can REALLY pile up. read more
When you are at the beach during “low tide,” there is a lot less water than there was during “high tide“! read more
When the highest part, or crest of the wave reaches a particular location, high tide occurs; low tide corresponds to the lowest part of the wave, or its trough. The difference in height between the high tide and the low tide is called the tidal range. A horizontal movement of water often accompanies the rising and falling of the tide. read more