Why does the ocean water level go up and down?

Question

I've been wondering if it is the weather effecting it, the moon's gravity, or different times of the day. Please Answer Me....

I NEED RESULTS!!!!!!!!!

Answer 1

yes it is the gravitational pull of the moon

that make ocean tides=]

Answer 2

it is the moons gravity that pulls the water

Answer 3

It is the gravitational pull of the moon, depending where it is at different times of the day.  There are 2 high tides, and 2 low tides per day.  As I recall, the highest and lowest tides occur on no moons and full moons.

Answer 4

the moon gravity,even weak,has an adverse effect on the tide level.science has proven this.

Answer 5

Air pressure;

Storms;

Large amounts of rain;

Large amounts of evaporation;

Seiche waves;

Tides due to gravitational pull by the sun and the moon;

Tsunamis;

Currents;

Gravitational anomolies;

Water temperatures cause expansion and contraction of water; and

Global cooling and warming causes glaciers to form and to melt.

Just to name a few.