The cyclonic storm MAHASEN over southeast Bay of Bengal moved slightly westwards at a speed of 15kmph and lay centered at 1130 hrs IST of May 12, 2013 at about 650 km west-northwest of Car Nicobar, 650 km east-northeast of Trincomalee, 800 km southeast of Chennai and 1440 km south-southwest of Chittagong. It would move initially northwestwards during next 36 hours and recurve thereafter northeastwards towards Bangladesh-Myanmar coast.
Under the influence of this system, rainfall at many places with isolated heavy rainfall would occur over Andaman and Nicobar Islands during next 48 hrs.
Squally winds speed reaching 40-45 kmph gusting to 60 kmph would prevail along Andaman and Nicobar Islands during next 48 hours. Sea condition will be rough to very rough along and off Andaman and Nicobar Islands during this period.
Fishermen of Andaman and Nicobar Islands are advised not to venture into the sea during next 48 hrs.