the tide turns

The tide turned at the start of the second half.

But the tide turned against the couple in the 80's.

But in the past several years, the tide has turned.

Things were going well, but in 1842, the tide again turned against him.

While still a young man, the tide of popular feeling turns against him.

"But we best be ready to run off if the tide turns against us."

The tide had turned in the river and was going out fast, now.

It is easy to see why the tide has turned.

"The tide will turn in a few minutes and take her out to sea."

You'll have to keep watch in case the tide turns.