Open-access portal with hindcast wave data for Skåne and Halland

Anna Adell, Almir Nunes De Brito Junior, Björn Almström, Bradley Goodfellow, Sebastian Bokhari Irminger , Caroline Hallin, Johan Nyberg

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Wave climate data for the Swedish provinces Skane and Halland, were hindcast using SWAN, a third-generation spectral wave model. The 40-year wave dataset, from 1979 to 2019, is made available through an open-access data portal ( The wave data has a three-hour resolution and includes significant wave height, peak wave period, and wave direction. The wave model domain encompasses the Baltic Sea, Öresund, Kattegat, and Skagerrak. Along the coast of Skane and Halland, the spatial resolution of the computational nodes, from which data can be extracted in the portal, is 250 m. In the offshore areas, the resolution of the computational grid is coarser. The simulated significant wave height was validated against observations from 25 wave gauges, operating intermittently during the simulation period. The coefficient of determination, R2, for these comparisons ranged from 0.46 to 0.93 for the different stations. For 15 wave gauges, R2 values for the comparisons exceeded 0.80. The wave model will continuously be updated and developed.
Original languageEnglish
Pages (from-to)81-90
JournalVatten: tidskrift för vattenvård /Journal of Water Management and research
Issue number2
Publication statusPublished - 2021 Jun 8

Subject classification (UKÄ)

  • Water Engineering


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