The tidal cycle is comprised of high and low tides and the velocity change is relative to these tidal changes which each occur twice daily.
(The tidal cycle; is comprised; of high and low tides) (the velocity change; is; relative to these tidal changes) (these tidal changes; occur; T:twice daily) (the velocity change; is relative to; these tidal changes)
The tidal cycle the velocity change these tidal changes the velocity change
is comprised is occur is relative to
of high and low tides
relative to these tidal changes
T:twice daily
these tidal changes