Water will pile up in the direction the wind is blowing.
Gravity will pull the water down the "hill" or pile of water.
But the Coriolis Force causes the water to move to the right (in the northern hemisphere) around the mound of water.
Slide 11
Slide 12
These large mounds of water and the flow around them are called Gyres. The produce large circular currents in all the ocean basins.
Gyres
Slide 13
Remember the Coriolis Force move objects to the right in the northern hemisphere, and to the left in the southern hemisphere