NASA
Nasa: Global Wind Patterns
This site from NASA lists and defines global wind patterns. It features a graphic of these patterns and a self-test with answers.
NASA
El Nino: Making Sense of the Weather: Global Wind Patterns
This is an educational site offered by NASA that has information on global winds, including prevailing westerlies, with illustrations. Included is a short activity to illustrate the winds.
CK-12 Foundation
Ck 12: Earth Science: Surface Ocean Currents
Describes how wind patterns and other factors cause ocean surface currents. [Free Registration/Login may be required to access all resource tools.]