why arent all oceans/seas tidal?

Answer 1

I think that if you check you'll find that they are.

Answer 2

You need to understand why tides occur. I's all down to gravity. As the moon rotates around the earth, it's gravity exerts a pull on all matter beneath it. (this is even thought to have an effect on magma and hence volcanic actity. Bearing that in mind, all things, liquid, solid or gas are affected by this gravitational pull.
The present pull is roughly equivalent to that of a pea held a metre above a person's head, hardly enough to affect a solid or gas significantly!
(By the way, that's because of the sheer density of a solid, meaning that there's not enough energy to move the whole mass of atoms and in a gas, they are too widely spaced for any noticable effect.)
We do see an effect on water though for a few reasons, the major one being the quirk of chemistry of the hydrogen bond. It's the only thing that makes water liquid (by rights it should be a gas). The hydrogen bond is so strong that water is able to move as a viscous body, able to hold some degree of shape when not contained (test it by putting your finger into a glass of water and pulling it out slowly).
The same way, as the moon passes over water, it will raise the water directly underneath it by gravitational attraction. As the earth rotates, that bulge will follow over the surface of the water. That's a tidal flow.
As you can see, that then applies to any body of water on the surface of the earth. However, if the body of water is too small, there's not enough time for a significant bulge to bulid up, hence it seems like there's no tide; that doesn't mean that the water isn't affected though. Try it by putting your finger in a bowl of water and lifting it to great a bulge and then move it across the surface end to end. Now compare the effect to doing the same in a bath. You'll see in the bath there's enough time for a wave front to build up because the body of water is bigger. Now scale it up to the paciffic or atlantic.
Doe that help?

Answer 3

Ive been to a few seaside resorts overseas where there doesn't seem to be any tides.

The sea doesn't recede and then come back but stays the same depth at all times,there are waves though.

I would call tidal,the process of going out and then coming back in a few hours later,maybe im wrong though.

Answer 4

Waves are crated by the wind.
The moon creates tides

All oceans have tides some seas are so small that there mass is not enough to be noticeably effected by the moons gravitational pull to any great degree

Answer 5

i was always told that a 'sea' had no tide and an 'ocean' did. they all have a tide as such, but some only rise a little and slowly while others seem to crash in fast with huge waves

Answer 6

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Answer 7

to do with the moon and the suns gravitational pull on the earth

Answer 8

I don't know why.It's a question for me too.But I know lakes haven't tidal.For example Caspian sea.
If you find any answer tell me too.

Answer 9

They are, to a greater or lesser degree. Who told you they were`nt.

Answer 10

what told you they are not tidal....they are.