August 20, Colombo (LNW): Showers or thundershowers will occur at times in Western, Sabaragamuwa, Southern and North-western provinces and in Kandy and Nuwara-Eliya districts, with heavy showers above 100 mm being likely to occur at some places in Western and Sabaragamuwa provinces and in Galle and Matara districts, the Department of Meteorology said in its daily weather forecast today (20).
Showers or thundershowers will occur at several places in Eastern, Uva and North-Central Provinces during the evening or night.
Fairly strong winds about (30-40) kmph can be expected at times over Western slopes of the central hills and in Northern, North-central and North-western provinces and in Hambantota district.
General public is kindly requested to take adequate precautions to minimise damages caused by temporary localised strong winds and lightning during thundershowers.
Marine Weather:
| Condition of Rain: |
| Showers or thundershowers will occur at times in the sea areas off the coast extending from Puttalam to Hambantota via Colombo and Galle. Showers or thundershowers will occur at a few places in the other sea areas around the island during the afternoon or night. |
| Winds: |
| Winds will be south-westerly and wind speed will be (30-40) kmph. Wind speed can increase up to (55–60) kmph at times in the sea areas off the coasts extending from Kankasanthurai to Puttalam via Mannar and from Hambantota to Pottuvil. Wind speed can increase up to 50 kmph at times in the sea areas off the coasts extending from Puttalam to Hambantota via Colombo and Galle. |
| State of Sea: |
| The sea areas off the coasts extending from Kankasanthurai to Puttalam via Mannar and from Hambantota to Pottuvil will be rough at times. The sea areas off the coasts extending from Puttalam to Hambantota via Colombo and Galle may be fairly rough at times. The swell wave heights may increase (about 2.5m–3.0m) in the sea areas off the coast extending from Kalpitiya to Hambantota via Colombo and Galle (this is not for land area). Temporarily strong gusty winds and very rough seas can be expected during thundershowers. |
