Puertos del Estado provides in-real time information and forecast on the Spanish water (IBI + Mediterranean). It runs physical and biogeochemical models. Their system consists of measurement networks (buoys, tide gauges and high-frequency radars), prediction services (waves, sea level, currents and water temperature) and climate ensembles, which describe both the current maritime climate and its scenarios for change in the 21st century.
Address: Av. del Partenón, 10, Madrid, Spain.
More information on their website.