Sri Vijaya Puram, July 27: Thunderstorm with gusty wind (40-50 kmph) and lightning is very likely to occur at one or two places over the district. Squally weather with wind speed reaching 35 – 45 kmph occasionally gusting 55 kmph is likely to prevail along and off A&N Coasts till July 29. Fishermen have been advised not to venture into the Sea along and off A&N Coasts till July 29.