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This work has the main goal to investigate the relationship between the sub and supra-inertial bands and the current data and the wind record in the Sueste stream. For that purpose, data originated from two moorings located in the northern and southern sides of the dominium. Wind data come from Caravelas weather station. There are two different wind patterns on rainy and dry seasons. On rainy season, the northeast trade winds are predominant, mainly because of the southern shift of the Intertropical Convergence Zone and the South (ITCZ) Atlantic Convergence Zone (SACZ). There was a noted increase across the years. The currents follow the channel orientation and flow predominantly to southwest. The filtered data showed the across shore (u) wind correlated better with suprainertial band and the along shore (v) with the subinertial band. The component v showed a seasonal pattern and northeast wind strengthens on the rainy season because of the south shift of the northeast trade winds. It is very likely that the local wind records are highly moved by longer period events such as remote and global winds. Tides explain 64% of the variability of u and 40% of v on #106. Tidal currents speed can get to 0,44m/s. V is strongly correlated 0,8 to the subinertial band. This work could only find correlation between along shore wind and current. The spectral analysis indicate a strong seasonality influence along with periods of 40 to 60 days and periods with less than 20 days. The last are probably due to cold fronts penetrations.

Caracterização das correntes sub e supra inerciais na plataforma do arco costeiro de Abrolhos, Bahia