Showers or thunderstorms will occasionally occur in northern, north-central, eastern and Uva provinces and in Matale and Nuwara-Eliya districts, according to the meteorology department.
Showers or thunderstorms will occur in several locations in Western, Sabaragamuwa and Northwestern Provinces and Kandy District during the evening or overnight.
Fairly heavy showers exceeding 50 mm can be expected in parts of Sabaragamuwa and Central provinces and in Kalutara, Galle and Matara districts.
Foggy conditions can be expected in Western, Sabaragamuwa and Central Provinces and Galle and Matara Districts during the morning.
Showers will occur in several places in the maritime areas off the coast stretching from Kankesanturai to Pottuvil via Trincomalee and Batticaloa.
However, good weather will prevail mainly over the other maritime areas around the island.
The winds will be from the northeast and the wind speed will be 20 to 30 km / h.
Wind speeds can sometimes increase up to 45 km / h in maritime areas off the coast stretching from Mannar to Negombo via Puttalam and from Matara to Pottuvil via Hambantota.
The sea areas off the coast stretching from Mannar to Negombo via Puttalam and from Matara to Pottuvil via Hambantota can be quite choppy at times. Other sea areas around the island can sometimes be moderate.