May 21, Colombo (LNW): South-West monsoon conditions are gradually getting established over the island, and showers or thundershowers, therefore, will occur at times in Western, Sabaragamuwa, North-western and Central provinces and in Galle and Matara districts, the Department of Meteorology said in its daily weather forecast today (21).
Fairly heavy falls above 50 mm are likely at some places in Western and Sabaragamuwa provinces and in Galle, Matara, Puttalam, Nuwara-Eliya and Kandy districts.
A few showers may occur in North-central province.
Showers or thundershowers may occur at a few places in Uva province and in Ampara district during the evening or night.
Fairly strong winds of about (30-40) kmph can be expected at times over Western slopes of the central hills and in Northern, North-central, North-western and Southern provinces and in Trincomalee district.
The 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 several places in the sea areas off the coast extending from Puttalam to Hambantota via Colombo and Galle.
Winds:
Winds will be westerly to south-westerly and wind speed will be (30-40) kmph. Wind speed can increase up to (55-65) kmph at times in the sea areas off the coast extending from Chilaw to Kankasanthurai via Puttalam and Mannar and from Galle to Pottuvil via Hambanthota.
Wind speed can increase up to (50-55) kmph at times in the sea areas off the coast extending from Chilaw to Galle via Colombo and from Kankasanthurai to Trincomalee via Mullaittivu.
State of Sea:
The sea areas off the coast extending from Chilaw to Kankasanthurai via Puttalam and Mannar and from Galle to Pottuvil via Hambanthota will be rough at times.
The sea areas off the coast extending from Chilaw to Galle via Colombo and from Kankasanthurai to Trincomalee via Mullaittivu will be fairly rough at times.
The wave height may increase (about 2.0 – 2.5 m) in the sea areas off the coast extending from Puttalam to Pottuvil via Colombo, Galle and Hambantota (this is not for land area).
Naval and fishing communities are requested to be vigilant in this regard.
Temporarily strong gusty winds and very rough seas can be expected during thundershowers.
