What does " tide" mean in this sentences?

In 1941 the United States government had only a meager ability to coordinate and effectively evaluate the rising tide of information from abroad.

Laurie2020-02-29T20:22:18Z

Level
Influx
....

♥Sweetness♥2020-02-29T19:25:39Z

It means amount.

Alex2020-02-29T14:00:54Z

In this case, Tide is used almost the same way as it's used when talking about bodies of water.

A rising tide means that more water is coming up the banks/beaches of a body of water.

In the case of "the rising tide of information" means that more information is coming in.

God2020-02-29T13:50:16Z

It means amount of information.