May 19, Colombo (LNW): South-West monsoon conditions are gradually getting established over the island, the Department of Meteorology said in its daily weather forecast today (19).
Cloudy skies can be expected over most part of the island.
Showers or thundershowers will occur at times in Western, Sabaragamuwa, North-western, Central, Southern and Northern provinces.
Heavy falls above 100 mm are likely at some places in Western and Sabaragamuwa provinces and in Galle, Matara, Puttalam, Nuwara-Eliya and Kandy districts.
Several spells of showers will occur in North-central province.
Showers or thundershowers may occur at several places elsewhere of the island during the evening or night.
Fairly strong winds of about (30-40) kmph can be expected at times over North-western, North-central, Northern 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 around the island.
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 Puttalam to Pottuvil via Colombo, Galle, Matara and Hambanthota.
Wind speed can increase up to (50-55) kmph at times in the sea areas off the coast extending from Puttalam to Batticaloa via Mannar, Kankasanthurai and Trincomalee.
State of Sea:
The sea areas off the coast extending from Puttalam to Pottuvil via Colombo, Galle, Matara and Hambanthota will be rough at times.
The sea areas off the coast extending from Puttalam to Batticaloa via Mannar, Kankasanthurai and Trincomalee 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).
Temporarily strong gusty winds and very rough seas can be expected during thundershowers.
