Showers and thundershowers are expected across most parts of Sri Lanka on Saturday, 17 October 2026. Rainfall is likely to increase during the afternoon, with fairly heavy falls expected in several provinces.
Fairly heavy rainfall of around 75 mm is likely at some places in the Western, Sabaragamuwa, Central and North-Central provinces, as well as in the Trincomalee district. Residents in these areas should remain alert to changing weather conditions and take necessary precautions during periods of heavy rain.
A few showers may occur in the coastal areas of the Mannar and Jaffna districts during the morning hours. Misty conditions are also expected at some places in the Western, Sabaragamuwa, Central and Uva provinces during the early morning.
The public is advised to take adequate precautions to minimize possible damage caused by temporary localized strong winds and lightning during thundershowers.
Sea Weather Forecast for Sri Lanka
Showers or thundershowers are expected at several places in the sea areas around the island during the next 24 hours. South-westerly winds will prevail, with wind speeds ranging from 25 to 35 kmph.
Wind speeds may increase up to 50 kmph at times in the sea areas extending from Chilaw to Kankasanthurai via Puttalam. These sea areas may become fairly rough at times.
Temporarily strong gusty winds reaching 60–70 kmph and very rough seas may occur during thundershowers. Naval and fishing communities are advised to remain cautious and consider the prevailing sea conditions when planning their activities.
