Port Blair, May 29: The Administration today issued a weather advisory for Islanders. As per communication received from INCOIS Hyderabad, High Wind Waves in the range of 3 to 6 meters are forecast during 0230 hours on 29.05.2012 to 2330 hours on 30.05.2012 along the west coast of Andaman Islands between ten degree channel to North Passage Island.