The Southwest monsoon conditions are gradually establishing over the island; hence, the prevailing showery and windy conditions will continue further.
Showers or thundershowers will occur at times in Western, Sabaragamuwa, Central, North-western, Southern and Northern provinces.
Very heavy showers about 150 mm are likely at some places in Western and Sabaragamuwa provinces and in Kandy and Nuwara-Eliya districts. Heavy showers above 100 mm are likely at some places in North-western province and in Mannar, Galle and Matara districts.
Showers or thundershowers will occur at several places elsewhere of the island.
Strong winds of about (50-60) kmph can be expected at times over Western slopes of the central hills and in Northern, North-central, Western, Southern and North western provinces. Fairly strong winds about (30-40) kmph can be expected at times elsewhere of the island.
General public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.
The sea areas extending from Colombo to Pottuvil via Galle and Hambantota will be very rough at times and Naval and fishing communities are advised not to venture into these sea areas, until further notice.
The sea areas extending from Mannar to Colombo will be rough at times, therefore, naval and fishing communities in this sea area are requested to be vigilant in this regard.
The swell waves (about 2.5 m – 3.0 m) height (This is not for land area) may increase in the sea areas off the coast extending from Kalpitiya to Pottuvil via Colombo, Galle, and Hambantota.
Temporarily strong gusty winds and very rough seas can be expected during thundershowers.