Tidal waves are a natural phenomena that can be seen from a distance. To get an idea of how high they might be, take a look at the map of the United States. The waves are highest near the coasts, and their height decreases as you go inland. To check your tidal subscription, open your phone’s tide app and input your location. The app will then give you a list of tidal waves that have occurred in your area in the past week.
