The "National Conference on Coastal Studies", organised by the National Group for Research on the Coastal Environment, will be held online on 28 January 2021 from 9.30 a.m. On this occasion, the G3 Prize - Best Presentation of Coastal Studies will be awarded to the speaker who makes the best presentation according to the criteria established by the Scientific Committee. Francesco Raffa, Technologist at the Institute of Geosciences and Georesources, will give a presentation entitled ": X-band coastal radar for monitoring local coastal phenomena in near real time at the mouth of the Arno River".