This report presents the results of the hydrographic surveys in the Itajaí-açu River estuary carried out during November, 1994 and June, 1995. These surveys consisted of 25 hours experiments to record currents, salinity and turbidity hourly in two sampling stations sinoptically. The information is presented as field distribution charts of the recorded parameters, in post-processed data tables, with information to surface, middle-depth and near bottom levels, and also as averaged values for each level and station, and maximum range as well.