The wave energy in a shallow water location is evaluated considering the influence of the\nlocal tide and wind on the wave propagation. The target is the coastal area just north of the Portuguese\ncity of Peniche, where a wave energy converter operates on the sea bottom. A wave modelling system\nbased on SWAN has been implemented and focused on this coastal environment in a multilevel\ncomputational scheme. The first three SWAN computational belonging to this wave prediction\nsystem were defined using the spherical coordinates. In the highest resolution computational domain,\nCartesian coordinates have been considered, with a resolution of 25 m in both directions. An in-depth\nanalysis of the main characteristics of the environmental matrix has been performed. This is based\non the results of eight-year model system simulations (2005ââ?¬â??2012). New simulations have been\ncarried out in the last two computational domains with the most relevant wave and wind patterns,\nconsidering also the tide effect. The results show that the tide level, together with the wind intensity\nand direction, may influence to a significant degree the wave characteristics. This especially concerns\nthe wave power in the location where the wave converter operates.
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