Angelique Melet¹, Samuel Somot², Elizabeth Drenkard³, Sheila Natali Estrada-Allis⁴, Jason T Holt⁵, Doroteaciro Iovino⁶, Marine Julie Herrmann⁷, Markus Meier⁸, Andrew Orr⁹, Marcus James Thatcher¹⁰, Shogo Urakawa¹¹, Xuebin Zhang¹², Annette Samuelsen¹³, Filippa Fransner¹⁴, Pasha Karami¹⁵, Karen Guihou¹, Geir Ottersen¹⁶, Marcos Sotillo¹⁷, Begoña Pérez¹⁸, Joanna Staneva¹⁹, Tiago Garcia²⁰, Paula Salge²⁰ and CLIVAR-CORDEX task force on regional ocean climate projections & SEACLIM teams, (1)Mercator Ocean International, Ocean Climate, Toulouse, France, (2)CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France, (3)NOAA/GFDL, Princeton, United States, (4)Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico, (5)National Oceanography Centre, Liverpool, United Kingdom, (6)Fondazione Centro Euro-Mediterraneo sui Cambiamenti Climatici - CMCC, Bologna, Italy, (7)IRD, Toulouse, FRANCE, (8)Leibniz Institute for Baltic Sea Research, Rostock, Germany, (9)NERC British Antarctic Survey, Cambridge, United Kingdom, (10)CSIRO, Oceans & Atmosphere, Melbourne, VIC, Australia, (11)Atmosphere and Ocean Research Institute University of Tokyo, Kashiwa, Japan, (12)CSIRO, Oceans & Atmosphere, Centre for Southern Hemisphere Oceans Research (CSHOR), Hobart, TAS, Australia, (13)Nansen Environmental and Remote Sensing Center and Bjerknes Centre for Climate Research, Bergen, Norway, (14)University of Bergen, Bergen, Norway, (15)Swedish Meteorological and Hydrological Institute, Rossby Centre, Norrköping, Sweden, (16)Institute of Marine Research, Bergen, Norway, (17)Nologin Oceanic Weather Systems, Santiago de Compostela, Spain, (18)Puertos del Estado, Madrid, Spain, (19)Helmholtz-Zentrum Hereon, Institute of Coastal Systems-Analysis and Modelling, Geesthacht, Germany, (20)+ATLANTIC CoLAB, Lisbon, Portugal