Use this page to select the data file and item for your Isopleth plot.
Please Note
In case you want to plot a frequency wave spectrum (eg. output from MIKE 21 SW) please make sure the item has the correct EUM type, ie. "Directional integrated spectral density" and unit m2s. For plotting a directional wave spectrum the correct EUM type is "Frequency integrated spectral density" and unit m2rad.