Port Blair, Dec 20: A low pressure area is likely to develop over south Andaman sea & adjoining southeast Bay of Bengal around 25th December. Under the influence of this likely form low pressure system. Heavy rain (07-11cm) likely to occur at isolated places over Nicobar Islands around 25th December 2017. Strong winds speed reaching 35-45 kmph gusting 55 kmph would prevail along and off Nicobar Islands around 25th December 2017 and sea condition would be generally rough. Fishermen are advised to be cautious while venturing into the sea during this period. Daily updated forecast will be issued in this regard. The general public is advised to take precautionary measures and in case of any emergency contact in the following phone numbers of State Control Room, District Control Room and Emergency Operation Centres.