The Brief Long Beach’s highest tide of the month is expected Tuesday evening after water reached Bay Shore Avenue for a second night. A Cal State Long Beach professor says the flooding offers a look at the effects of rising sea levels. What's next:Tuesday evening's high tide was expected to top out at almost seven feet in Long Beach, the biggest of the month. It came a day after high water climbed the steps and pushed onto Bay Shore Avenue Monday night. Hank Perrin has lived along Bay Shore Avenue for about 50 years, and he says the flooding used to be rare.