October 21, Colombo (LNW): The prevailing low-level atmospheric disturbance to the east of the island still persists, and it is likely to develop into a low pressure area within the next 24 hours, the Department of Meteorology said in its daily weather forecast today (21).
Under the influence of this system, cloudy skies are expected over most parts of the island.
Showers or thundershowers will occur at times in Western, Sabaragamuwa, Central, North-western, Southern and Northern provinces. Heavy falls above 100 mm are likely at some places in these areas.
Showers or thundershowers will occur elsewhere of the island after 1.00 p.m.
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:
Naval and fishing communities engaged in fishing and naval activities in the deep and shallow sea areas around the island are requested to be vigilant in this regard.
Condition of Rain:
Showers or thundershowers will occur at times in the sea areas off the coast extending from Kankasanthurai to Pottuvil via Mannar, Colombo, Galle and Hambanthota. Showers or thundershowers will occur at several places in other sea areas around the island during the afternoon or night.
Winds:
Winds will be south-westerly or variable in direction and speed will be (25-35) kmph. Wind speed can increase up to (55-60) kmph at times in the sea areas off the coast extending from Galle to Pottuvil via Matara and Hambantota. Wind speed can increase up to 50 kmph at times in the sea areas off the coast extending from Trincomalee to Galle via Kankasanthurai, Mannar and Colombo.
State of Sea:
The sea areas off the coast extending from Galle to Pottuvil via Matara and Hambantota will be rough at times. The sea areas off the coast extending from Trincomalee to Galle via Kankasanthurai, Mannar and Colombo will be fairly rough at times. The other sea areas around the island will be slight to moderate.
Temporarily strong gusty winds and very rough seas can be expected during thundershowers.
