The Department of Meteorology forecasts evening thundershowers in parts of Kalutara, Ratnapura, Nuwara-Eliya, Galle, and Matara districts.
Fairly strong winds are likely in the North-western province and Hambantota district.
Showers may occur at sea areas from Kalutara to Hambantota via Matara.
Rough seas expected off the coasts from Colombo to Kankesanturai via Puttalam and Mannar, and from Matara to Hambantota.