National Ocean Service (NOS) scientists collect, study, predict and disseminate information about tides and water levels. Tutorial introduces the causes and variations of tides and currents, their impacts on human...

This website includes teaching activities about El Nino, how it forms, and its effects on the weather of the world. Includes background information, data, applications, and additional activities. Links to related sites,...

This website features teaching activities that explore the ways currents are mapped and how they affect us. Includes background information, data, applications, and additional activities. Links to related sites, as well...

Even with the waves lapping at their feet, few people consider ocean currents and their importance to global climate. Although the Gulf Stream cannot be seen flowing by off North America's East Coast, in Western Europe,...