From the National Tsunami Hazard Mitigation Program, the Deep-ocean Assessment and Reporting of Tsunamis (DART) page contains real time sea level data which can be modified by site and transmitter, type of data set, database, and time range. Data may be viewed through a browser or downloaded (.dbf, .gz).
NOAA's National Data Buoy Center (NDBC) "develops, operates, and maintains a network of buoy and C-MAN stations." After viewing the virtual tour of the NDBC's facilities and efforts, users can find interactive maps of the numerous data collecting buoys. Researchers can find recent and historical ocean current velocities, wind speed and direction, air and sea temperatures, and other oceanographic...