Port Blair, July 15: Heavy rain (07-11cm) is likely to occur at one or two places over A&N Islands on July 16 & 17. Squally weather with surface wind 40-50 kmph is very likely to be along and off A&N Islands. Sea condition is also likely to be rough to very rough. Fishermen have been advised not to venture into sea along and off A&N Islands till July 19. For further enquiries / information, one may contact Helpline of State Emergency Operation Centre at Helpline No. 1070 & District Emergency Operation Centre at Helpline No. 1077. For any emergency/assistance at sea, call Coast Guard SAR Agency at Toll Free number 1554.