Metocean Database HKN

The Metocean Data Portal can be accessed through Please open this link in Google Chrome for best performance of the Data Portal. To download the selected datasets without going through the Portal please use the application programming interface (API) at

Results inside the Hollandse Kust (noord) Wind Farm Zone (HKN WFZ) provided in the Metocean Data Portal are aimed to serve as input for design and certified by DNV GL.

Results outside the HKN WFZ are aimed to support feasibility level studies with metocean data to be expected on the IJmuiden Ver, Ten noorden van de Waddeneilanden and Hollandse Kust (west) Wind Farm Zones. No certification body is requested to certify the results of the Metocean Data Portal outside the HKN WFZ.