Sri Vijaya Puram, May 21:Heavy rainfall (07-11 cm) is likely to occur at one or two places over A&N Islands on May 24, 25, 26 & 27. Squally weather with wind speed 35 – 45 kmph is very likely along and off A&N Islands and Andaman Sea from May 25. Sea condition is also likely to be rough. Fishermen have been advised not to venture into the sea along and off A&N Islands and Andaman Sea from May 25 till further notice.