This directory contains laboratory data used for the article: Trulsen, Raustøl, Jorde & Rye (2019) "Extreme wave statistics of longcrested irregular waves over a shoal" Journal of Fluid Mechanics Data from the master thesis of Anne Raustøl is in directory AR. For details see the comments in the file Kommentar.odt and see the master thesis that can be downloaded from https://www.duo.uio.no/handle/10852/40405 Data from the master thesis of Stian Jorde is in directory SJ. For details see the comments in the files LabloggtilKarsten.xlsx and Lesmeg.docx and see the master thesis that can be downloaded from https://www.duo.uio.no/handle/10852/67561 All text written in the course of these two master theses is in Norwegian, no English translation has been made.