Port Blair, Sept. 9: Squally weather with surface wind speed reaching 35-45 kmph gusting to 55 kmph is very likely along & off A&N coast during next 24 hours. Sea condition is also likely to be rough to very rough. Fishermen have been advised not to venture into the sea along and off the A&N coast during next 24 hours. Distant Cautionary Signal No-I has been kept hoisted at Port Blair Port.