Abstract
In many coastal areas strong currents may occur from tidal effects, rivers discharges and high waves breaking due to abrupt
changes in local topography. The modification of the wave fields by currents and vice versa need to be predicted by reliable
nonlinear numerical models, when wave and current coexist along and around the approach tracks of the ports and harbors, or in
the areas of ongoing offshore and coastal developments, or in areas subjected to intense navigation. Various wave models have
been validated with full scale measurements made with wave rider buoys, but literature on simultaneous measurement of waves
and currents at the same location are in general not available. Thus, it is not possible to fully validate the wave predictions in such
situations. Therefore, the validation of numerical models in such conditions is usually made by studying the effect of the opposite
currents on the wave spectra that have been produced in an offshore model tank. This is the topic of the present work that
continues some previous experimental studies and is focused on the conditions that are usually met in the Black Sea at the
mouths of the Danube River.