Tides and Oceans

Ocean Odyssey: Tracking Marine Debris

Help determine where trash ends up in our ocean!

Video: What Causes Tides?

Watch this video to learn what causes tides!

What Is a Red Tide?

A red tide is a toxic event that occurs on the coastline when algae—a plant-like organism—grows out of control. Learn more about what causes these toxic events and how they can be dangerous to people and animals.

What Is the Gulf Stream?

Learn more about this strong ocean current!

What Is La Niña?

Learn about this weather pattern.

Storm Surge

One of the most dangerous parts of a hurricane.

What Causes Tides?

Tides are a complicated dance between gravity and inertia.

How to Escape Rip Currents

Wave, yell and swim parallel.

What Is El Niño?

The temperature of the ocean's surface has a far-reaching effect on weather.

Tidal Curiosities

Why do tide cycles take 24 hours and 50 minutes? What is a neap tide? And more.