Sri Lanka Heavy Rainfall Above 100 mm Expected in Several Provinces
Sri Lanka is expected to experience widespread showers and thundershowers today (12 November 2026), with some areas likely to receive heavy rainfall exceeding 100 mm.
Showers or thundershowers will occur at times in the Northern and Eastern provinces. Meanwhile, other parts of the island are also expected to experience showers or thundershowers after 1.00 p.m., bringing rainy conditions to many areas during the afternoon and evening.
The highest rainfall amounts are expected in the Western, Sabaragamuwa, Central, Southern and Uva provinces. Heavy falls exceeding 100 mm are likely at some locations in these provinces, raising concerns about localized flooding and other weather-related disruptions, particularly in areas receiving prolonged or intense rainfall.
Misty conditions are also expected during the early morning hours in parts of the Western, Sabaragamuwa, Central and Uva provinces, as well as in the Galle, Matara and Kurunegala districts. Motorists are advised to remain cautious when travelling through areas with reduced visibility.
The public is urged to take necessary precautions against temporary localized strong winds and lightning during thundershowers.
Sri Lanka Sea Weather Forecast
Showers or thundershowers are expected at several places in the sea areas surrounding the island during the next 24 hours.
North-easterly winds will prevail at speeds of 20–30 kmph. However, wind speeds may increase up to 45 kmph at times in the sea areas extending from Trincomalee to Colombo via Kankasanthurai and Puttalam.
These sea areas may become fairly rough at times, while other surrounding sea areas are expected to remain slight to moderate.
Temporarily strong gusty winds reaching 60–70 kmph and very rough seas are possible during thundershowers. Naval and fishing communities are advised to remain alert and follow weather updates issued by the Department of Meteorology.
