The Meteorology Department forecasts the ongoing establishment of the Southwest monsoon across Sri Lanka, bringing intermittent rain and thunderstorms to several parts of the island, with the latest forecast extending to June 26, 2026.
Rainfall Outlook:
Intermittent rain or thundershowers are expected in the Western, Sabaragamuwa, and North-Western provinces, along with the Galle, Matara, Kandy, and Nuwara Eliya districts. Certain locations within these primary affected areas may receive heavy rainfall, with some places exceeding 50mm, and others potentially reaching up to 75mm or even 100mm.
Showers or thundershowers are also anticipated in the Uva province and the Ampara and Batticaloa districts, typically after 2:00 PM. A few rain showers are possible in the Anuradhapura, Mannar, Hambantota, Mullaitivu, Polonnaruwa, and Eastern districts.
Wind Conditions:
Moderate strong winds of 30-40 km/h are anticipated intermittently in the western slopes of the central highlands, the Northern, North-Central, North-Western, and Southern provinces, and the Trincomalee district. Earlier forecasts also indicated strong winds of 40-50 km/h in the western slopes of the central highlands, Northern and North-Central provinces, and the Hambantota and Trincomalee districts, with the rest of the island experiencing moderate strong winds of 30-40 km/h.
Sea Conditions:
Advisories warn of very rough seas in areas from Kankesanturai to Mannar via Chilaw, and from Galle to Hambantota via Pottuvil, with winds potentially reaching 60-65 km/h. Fishing and naval communities are urged to be vigilant during these periods.
Public Advisory:
The public is advised to take necessary precautions against temporary strong winds and lightning that may accompany thunderstorms, minimizing risks and ensuring safety.
