Analysis of the North Atlantic offshore energy flux from different reanalysis and hindcasts

Matias Alday G.*, Vaibhav Raghavan, George Lavidas

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review


To date there is a wide range of wave reanalysis and hindcasts available to the scientific and engineering community which are commonly used for different applications, including downscaling or the estimation of the wave energy resource (Morim et al., 2022). These long datasets have been created using different combinations of forcing fields, physical parameterizations, and numerical choices (like spatial and spectral resolution). All these elements have a direct effect on the accuracy of the wave models’ output (e.g., Alday et al., 2021) and thus, they are one of the main reasons for the differences between these products. In the present study we analyze the significant wave heights and peak periods characteristics from a selection of global datasets. We additionally include results from a hindcast created using the WAVEWATCH III model, with adjustments specially aimed to reduce uncertainties of the wave energy resource along the Atlantic coasts of Europe. Models’ output is compared with buoys and altimeter data from the latest ESA (European Space Agency) CCI Sea State V3 product. Preliminary validation of the hindcast we have generated for the North Atlantic already show an important bias reduction for wave heights in the 2.5 to 11.5 range compared to ERA5 wave product. Using the relevant wave parameters, we estimate the power density and quantify the differences between databases. Then, based on scatter diagrams obtained from the joint distributions of significant wave height and peak period, the differences in the power captured by wave energy converters (WEC) related to different wave data sources will be quantified (e.g., Babarit et al., 2011; Henriques et al., 2016).
Original languageEnglish
Title of host publicationVol. 15 (2023): Proceedings of the European Wave and Tidal Energy Conference
Number of pages8
Publication statusPublished - 2023
EventThe 15th European Wave and Tidal Energy Conference - University of the Basque Country, Bizkaia Aretoa, Bilbao, Spain
Duration: 3 Sep 20237 Sep 2023


ConferenceThe 15th European Wave and Tidal Energy Conference
Abbreviated titleEWTEC 2023
Internet address


  • Hincast
  • wave energy
  • power production


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