National Ocean Survey's CO-OPS collects, analyzes and distributes historical and real-time observations and predictions of water levels, coastal currents and other meteorological and oceanographic data
GOSIC provides access to data and information, and overviews of the structure and programs for the Global Climate Observing System (GCOS), the Global Ocean Observing System (GOOS), and the Global Terrestrial Observing System (GTOS)
