Chart Plotter offers tidal information in the form of: tidal graphs, tables and stream information. It features : 800+ UK Ireland and Channel Raster Charts, routes, planning and monitoring, waypoints, MOB. Tides: tidal graphs, tables and stream information. Quick and easy scrolling and zooming to charts.GPS and boat instrument input to display: position, heading, COG, SOG, XTE, depth, wind, water temp. AIS: ships position, bearing, distance to, details. This requires input from an AIS receiver. Logbook, entries can be made automatically and by user input. Marking chart areas, warning either entering or leaving user designated area, useful for anchor watch and passage planning.