API Version Description Updated
Harbour 1.0 Live sailings data from the Guernsey Harbour. Includes both arrivals and departures LIVE! XML JSON Embeddable HTML HTML
Condor Punctuality 1.0 Condor punctuality from published reports 26/06/2019 XML JSON Embeddable HTML HTML
Cruises 1.0 Visiting cruise ships 26/06/2019 XML JSON Embeddable HTML HTML

Source: http://www.guernseyharbours.gov.gg/article/100192/Arrivals--Departures

Source: http://www.condorferries.co.uk/performance/punctuality-reports.aspx

Source: http://www.guernseyharbours.gov.gg/CHttpHandler.ashx?id=93382&p=0