DESCRIZIONE
A monitoring system for monitoring an offshore construction is presented. The offshore construction to be monitored comprises mutually mechanically coupled marine assets. The monitoring system comprises a data storage unit, an intrusion detection service, an input device, and an update service. The data storage unit stores data specifying a spatial range of at least one warning zone pertaining to the offshore construction. The intrusion detection service is provided to detecting an intrusion of the spatial range and for issuing an alert message upon such detection. The input device receives position information for one or more of the marine assets. The update service updates the spatial range of the at least one warning zone based on the received position information. Additionally a monitoring method and a computer program product are provided.