The early Warning Centre of the Department of Meteorology says that the Naval and Fishing communities should be vigilant due to an active cloudiness in the sea areas to the West of Sri Lanka. The Centre said there is a possibility for heavy showers and thundershowers and sudden roughness, associated with sudden increase of wind speed up to 70-80 kmph in the deep and shallow sea areas off the coast extending from Puttalam to Balapitiya via Colombo. Clouds are also developing in the eastern sea areas also and there is a possibility to occur heavy showers in the deep and shallow sea areas sea areas off the coast extending from Trincomalee to Batticaloa. It also said that the prevailing showery condition will continue in the next few hours and fairly heavy showers about 100 mm can occur in the western and Sabaragamuva provinces. There may be temporary localized strong winds during thundershowers.