And more bovine excrement from their ABC., page-186

Geez Alan why do people like you attempt to tackle subjects which are way out of your capability.

So you think the oceans are like one big bath tub do you? Wow. Do you know what tides are and the way they work around the moon and gravitational pull? Think of it as tides Alan, and how currents and wind and pressure systems can impact ocean levels 24/7.

This really is very basic stuff Alan I'm amazed you and Zipper have no clue of the basics.