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How are tides predicted? by 3pt477Knots
From what oceanography PhD's have told me, tide prediction is mostly empirical. Water height is collected at a given location for some time, year(s), and then they do a Fourier Transform over the data to see what are the major sine wave components of the tide are at that location. The data is then fit using the sine wave components of the motion of the heavenly bodies, dominantly the sun ...

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