Some places, like the Bay of Fundy, have extreme high vs low tides, but other places (I can’t think of one) have almost invisible tide level changes. I have wondered this for years: since all tides have the same cause, why aren’t all tides the same? For the record, I do understand why tides vary through the month, but no idea why they vary geographically.
In: Physics
The shape of the Bay of Fundy is the cause of extreme tides there. Water has inertia, and a lot of water is very heavy. When the Sun/Moon gets water moving in a bulge (the actual cause of the tide), and this bulge comes in contact with the shoreline, all the water has to stay together until it’s given up all it’s inertial energy. Focus all that energy in a funnel, and you get a very high tide at the tip.
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