Impossible to know as all waves are not observed.
It is the crest of the wave.
The highest bit of the wave.
Wavelength is the distance between two consecutive wave crests.
crest
Wavelength is the distance between two consecutive wave crests.
a wave with the highest speed
Amplitude of a wave is simply the highest point the wave ever reaches.
The crest of a wave is its highest point, as opposed to the trough of a wave, which is its lowest point.
Crest
crest
crest
The highest sea waves are tsunamis