Ocean and freshwater data resources

We live on a water planet. Follow marine animals as they navigate the ocean, get your local tide and current predictions, or see what sea level rise may have in store for coastal communities. You can also explore river observations and trends in snow and ice.

An international map showing the locations of buoys in the Atlantic Ocean, the Pacific Ocean, and some in inland waterways.

A screenshot of the National Buoy Data Center homepage showing the locations of the buoys, as well as tropical storms active on 8/16/18. (Image credit: NOAA National Data Buoy Center)