Port Blair, July 21: The INCOIS Observatory, Hyderabad, has forecast high waves in the range of 3.0 – 3.1 meters during 17:30 hours on 21-07-2015 to 23:30 hours of 23-07-2015 along the west coast of Andaman Islands between Ten Degree Channel to Coco Channel. Current speeds may vary between 67 – 90 cm/sec. Under the influence of moderate to strong south-westerly monsoon current, strong south-westerly winds with speed between 35 & 45 kmph and moderate to rough seas likely along and off Andaman coasts. In Nicobar, high waves in the range of 2.5 – 2.8 meters are expected during 17:30 hours on 21-07-2015 to 23:30 hours of 22-07-2015 along the west coast of Nicobar Islands between Ten Degree Channel to Great Channel. Current speeds vary between 102 – 149 cm/sec. Under the influence of moderate to strong south-westerly monsoon current, strong south-westerly winds with speed between 35 & 45 kmph and moderate to rough seas likely along and off Nicobar coasts. Fishermen have been advised to be cautious while venturing into the sea.