Hel Marine Station of the Institute of Oceanography at the University of Gdańsk
IO PAN - The Institute of Oceanology of the Polish Academy of Sciences, Sopot
ICM - Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw
IMGW - The Institute of Meteorology and Water Management
ICM numerical weather forecast service
Pogodynka - online weather forecast service of the IMGW
DMI - Danish Meteorological Institute
EWS - Estonian Weather Service
FMI - Finnish Meteorological Institute