Heavy rains exceeding 100 mm is expected in the Sabaragamuwa Province and in the Galle, Matara and Kalutara districts, the Meteorology Department said today.

They said thundershowers would occur in the Western, Sabaragamuwa and Central Provinces and in the Galle and Matara districts. 

Meanwhile, showers are likely in the North-Western Province and at several places in the Uva Province and in Ampara and Batticaloa districts during the evening or night.

Strong winds up to 45 kmph can be expected at times in the Northern and Northern-Central Provinces and in the Hambantota, Puttalam and Trincomalee districts.

Therefore, the public is requested to take adequate precautions to minimize damages caused by temporary, localized strong winds and lightning during thundershowers.

The sea areas off the coast extending from Puttalam to Trincomalee via Mannar and Kankasanthurai and from Hambantota to Pottuvil will be rough. 

The sea areas off the coast, extending from Puttalam to Hambantota via Colombo and Galle would be fairly rough at times. Temporary strong winds and very rough seas can be expected during thundershowers.