Ocean waves have the same characteristics as the waves we are learning about right now. The velocity of a wave stays constant, even when frequency or wavelength changes. Ocean waves are both transverse and longitudinal waves because particles on the wave move both perpendicularly and parallel to the direction of the wave. They also pass through one another. Ocean waves are example of waves that are easier to understand than sound waves, because they can actually be seen and observed. An example of wave observation would be when people pick opihi. They count the big waves, which normally come in threes, and then go down to pick during the lull that comes right after the last wave. The pickers still have to watch the waves, but the frequency and pattern of the waves stays relatively constant. I'm not really sure why they come in threes though.
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