Politically, she tends to 'go against the tide' on her college campus. [=she tends to have different political opinions than most people on her college campus]
He became involved in social issues at the 'high tide' of the civil rights movement. [=at the most active and important time of the civil rights movement]
The team was on a losing streak, but then 'the tide turned' [=their luck changed] and they went on to win the championship.
(..) A little bit more. With the weapon by my side, all of China will bow before me. We move out in three days, when the moon is full and the tide is high. Now, you old goat, why don't you tell me my... Fortune? Future. I was going to say future. Look into your bowl (..)2011 Kung Fu Panda 2