Sri Lanka, July 23 -- The Department of Meteorology has advised the fishing and naval communities to avoid venturing into the sea areas off the coast from Kalpitiya to Kankasanthurai via Mannar for the next 24 hours. These waters are expected to be rough or very rough at times.Furthermore, strong winds reaching up to 60 kilometres per hour are anticipated intermittently in the western slopes of the Central Highlands, as well as in the Northern, North Central, and Central Provinces, and the Trincomalee and Hambantota districts.The department also stated that moderately strong winds, up to 50 kilometres per hour, could affect other parts of the island.Meanwhile, showers or thundershowers are expected to occur intermittently in the Western, ...