According to the forecast for 20 November 2025, several spells of showers are expected in the Northern and North-Central Provinces, as well as the Trincomalee district.
Other parts of the island will experience showers or thunderstorms after 1.00 p.m.
Misty conditions are possible during the early morning hours in Sabaragamuwa, Central, Uva, Western, and Southern Provinces.
The Meteorology Department advises the public to take necessary precautions to minimize the risk of damage from strong winds and lightning during thundershowers.
Sea Area Forecast – Next 24 Hours
The developing low-pressure system over the Bay of Bengal is also expected to influence sea conditions. Naval and fishing communities have been urged to closely follow upcoming advisories.
Rainfall:
Showers or thundershowers are likely in the sea areas from Trincomalee to Puttalam via Kankasanthurai, with a few showers possible in other surrounding sea areas, especially in the afternoon or at night.
Winds:
Winds will be north-easterly or variable, with speeds of 20–30 km/h. Wind speeds may increase up to 40 km/h in the sea areas from Kankasanthurai to Puttalam via Mannar.
Sea Conditions:
These northern-western sea areas may become moderate at times, while other sea areas around the island will remain slight.
Temporarily strong gusty winds and very rough seas are expected during thundershowers.
