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    tide prediction in France

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    • A
      AdrienG
      last edited by AdrienG

      Hi,

      Currently windy does not provide tide prediction in France and other part of the world.

      Luckily someone creates an harmonic file for OpenCPN (in french, sorry…):
      http://shoreline.fr/OpenCPN_V_33/3_Essentiel/E_61_Les_marees/E_61_Marees.htm#Zone_France

      http://www.hisse-et-oh.com/matelots/9499

      You can download the file here:
      http://shoreline.fr/OpenCPN_V_33/3_Essentiel/E_61_Les_marees/Harmonics_V10/Harmonics_V10.zip

      It adds prediction on France, but also other countries in Europe, Africa and South America.

      Maybe it can help improving the coverage of tide prediction in windy ?

      Kind regards,

      Adrien

      idefix37I 1 Reply Last reply Reply Quote 3
      • idefix37I
        idefix37 Sailor Moderator @AdrienG
        last edited by

        @adrieng
        Hi, that could be interesting for some Windy users. The question is to know if these data are reliable. Have you tested these tide predictions in different locations at several dates, and compared them with the SHOM tidetable?

        1 Reply Last reply Reply Quote 0
        • A
          AdrienG
          last edited by AdrienG

          @idefix37
          I don't know if the data is reliable enough (I am not a sailor yet…), I am just passing the information ;-)
          On the website, they say that “the comparaison with the SHOM are never enormous”…

          From what I've see, the prediction are generally less than 10 cm different from the SHOM, the worst I have seen is 40cm different from the SHOM tidetable.

          The file is in version 10, so I guess the data are improving with the time.

          Anyway, if this source is interesting, maybe the windy team should contact the guy for all the detail (licence, data's updates, etc.)

          EDIT: if anyone wants to compare, here are the SHOM tidetable: https://maree.shom.fr/

          idefix37I 1 Reply Last reply Reply Quote 2
          • idefix37I
            idefix37 Sailor Moderator @AdrienG
            last edited by

            @adrieng
            OK Thanks

            1 Reply Last reply Reply Quote 1
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