Which of the following is NOT true about tides?

W) They are long-period waves that move through the oceans in response to forces exerted by the Moon and Sun

X) They originate in the oceans and progress toward the coastlines

Y) A horizontal movement of water often accompanies the rising and falling of the tide

Z) The weakest currents occur before or near the time of the high and low tides
X) THEY ORIGINATE IN THE OCEANS AND PROGRESS TOWARD THE COASTLINES