These tides are the most extreme on Earth—here’s why. This stunning timelapse shows the Bay of Fundy, home to the highest tides in the world. Water levels here can rise and fall by over 15 meters (50 feet) every day. The secret? It’s all in the shape of the bay and the timing of the tides. The Bay of Fundy narrows as it stretches inland, and when the ocean tide flows in, it funnels water into this tight space—amplifying the tidal range through a process called resonance. This rare alignment of g