CURRENTS The currents are of monsoonal origin, but tend to follow trend of the coast. In December and January, the sets are north-westerly with rates of upto 1 kn. In July and August, when the SW Monsoon is well established, south-easterly sets with rates of upto 2 kn are experienced. Exceptionally, onshore sets upto 1,5 kn are experienced during the NE Monsoon and upto 3 kn during the SW Monsoon. For further information see Sailing Directions. OMISSION OF CERTAIN NAVIGATIONAL AIDS AND WRECKS Certain lights, beacons, buoys and wrecks and Rocks have been omitted from this chart; for details of these, the large scale charts and the List of Lights should be consulted.