Ocean Currents
Ocean currents are much like rivers within the oceans. They are the horizontal and vertical circulation of ocean waters and are produced by gravity and wind friction. Oceans of the World
From your About.com Guide, maps and geographical information for the four oceans of the world.
Ocean Waves
Learn all about oceanic wind-caused waves and their components, such as crest, trough, wavelength, and more. Tides
The moon's gravity causes the tides of our oceans; discover how and why tides work and find out when it's going to be high tide at a coastline near you! California's Coastal Geography
A great overview of coastal features along the California coast, from rocky intertidals to coastal mountains. Includes a photograph and description for all ten features. Coastline of the United States
The length of coastline for each state in the U.S. along the coast. Coasts in Crisis
This report from the USGS describes coasts and includes information about human interaction with coastal environments. Marine Pollution One
Information about hazards to marine areas: oil pollution, toxic materials, dangerous debris, and coastal mining. Ocean Weather
An easy-to-use site that provides great maps of wave height and direction, surface observations, and sea surface temperature. Our Restless Tides
Seven chapters about tides, their causes, prediction, and more.
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