Welcome to NOAA CoastWatch

NOAA CoastWatch exists to help people access and use global and regional satellite data for ocean and coastal applications.  Our satellite data products and services can support research, resource management, and decision-making on topics such as understanding, managing and protecting ocean and coastal resources and for assessing impacts of environmental change in ecosystems, weather, and climate. Data, algorithms, and images presented on STAR websites are intended for experimental use only and are not supported on an operational basis (Disclaimer details).