Port Blair, Aug. 27: Heavy rain (07-11 cm) is likely to occur at one or two places over A&N Islands on Aug. 29 & 30. Squally weather with surface wind speed reaching 35-45 kmph gusting to 55 kmph is very likely to be along and off A&N Islands. Sea condition is likely to be rough to very rough. Fishermen have been advised not to venture into the sea along and off A&N Islands till Aug. 31.