Sri Lanka is expected to experience showers or thundershowers across most parts of the island on Sunday, 18 October 2026,warns of heavy rainfall in several provinces and districts, along with strong winds and lightning during thunderstorms.
Showers or thundershowers are expected in most areas of the country after 1.00 p.m. Fairly heavy rainfall exceeding 75 mm is likely at some locations in the Sabaragamuwa, Central, North Central and Uva provinces. The Batticaloa, Trincomalee and Mullaitivu districts may also receive heavy rainfall.
Morning showers are possible in coastal areas of the Mannar and Jaffna districts. Meanwhile, misty conditions may develop in some areas of the Western, Sabaragamuwa, Central and Uva provinces during the early morning hours.
The public is advised to take necessary precautions against temporary localized strong winds and lightning during thundershowers. People should remain alert to changing weather conditions and take appropriate safety measures, particularly in areas expecting heavy rainfall.
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SEA AREA FORECAST
In the sea areas around Sri Lanka, showers or thundershowers are expected at several locations during the next 24 hours. Southwesterly winds will prevail at speeds of 25 to 35 kmph.
Wind speeds may occasionally increase to 45–50 kmph in the sea areas extending from Chilaw to Kankasanthurai via Puttalam. These sea areas may become fairly rough at times, while other sea areas around the island are expected to remain slight under normal conditions.
However, temporarily strong gusty winds of 60–70 kmph and very rough seas may occur during thundershowers. Naval personnel, fishermen and others engaging in sea activities are advised to remain vigilant and exercise caution during adverse weather conditions.
