TotalTide provides fast, accurate tidal height and tidal stream predictions for over 7,000 ports and more than 3,000 tidal stream stations worldwide. It can be integrated with Navmaster ECDIS. TotalTide is provided on the complete Admiralty Digital Publications CD, but you can purchase just what you need – from one area of one product up to all areas of all products.  TotalTide is carriage compliant, approved by most Flag States and kept fully up to date.  We can supply free trial versions;  just provide your name and contact details and email a request.