Heavy Rain Above 100mm Expected in Several Parts of Sri Lanka on 11 November

Sri Lanka Weather Forecast – 11 November 2026

Several parts of Sri Lanka are expected to experience unsettled weather on Wednesday, 11 November, with heavy rainfall exceeding 100 mm possible in some areas, according to the Department of Meteorology.

Showers or thundershowers will occur at times in the Northern and Eastern provinces. Meanwhile, other parts of the island are likely to receive showers or thundershowers after 1.00 p.m.

The Western, Sabaragamuwa, Central, Southern and Uva provinces are at risk of heavy rainfall, with some locations likely to record more than 100 mm. Residents are advised to remain alert, particularly during periods of intense rain.

Misty conditions may also develop 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.

The public is urged to take precautions against temporary localized strong winds and lightning during thunderstorms.

Sea Conditions Around Sri Lanka

Showers or thundershowers are expected at several places in the surrounding sea areas during the next 24 hours.

Northeasterly winds will blow at 20–30 kmph, increasing to 40–45 kmph at times in sea areas extending from Mullaittivu to Puttalam via Kankasanthurai.

These northern and northwestern sea areas may become fairly rough, while other surrounding waters are expected to remain slight or moderate.

During thundershowers, gusty winds of 60–70 kmph and very rough seas are possible. Fishing communities and other sea users are advised to remain cautious and follow the latest official weather updates.