Showers or thundershowers will occur at several places in Western, Central, North-western and Sabaragamuwa provinces and in Galle and Matara districts, the Department of Meteorology says.
Showers or thundershowers will occur at several places in Uva, Eastern and Northcentral provinces and in Hambantota district after 2.00 p.m.
Fairly heavy falls of about 75 mm can be expected at some places in Western and Sabaragamuwa provinces and in Galle and Matara districts.
There may be temporary localized strong winds during thundershowers.
The general public is kindly requested to take adequate precautions to minimize damages caused by lightning activity.
Showers or thundershower will occur at several places in the sea area extending from Puttalam to Trincomalee via Galle and Batticaloa.
Winds will be South-westerly and speed will be 25-35 kmph in the sea areas around the island.
Wind speed can increase up to 50-55 kmph at times in the sea area extending from Puttalam to Kankesanturai via Mannar and the sea area extending from Hambantota to Batticaloa via Pottuvil.
Deep and shallow sea areas extending from Hambantota to Batticaloa via Pottuvil can be rough at times.
Naval and fishing communities are requested to be vigilant in this regard.