May 31, Colombo (LNW): Showers or thundershowers will occur at times in Western, Sabaragamuwa and North-western provinces and in Galle, Matara, Kandy and Nuwara-Eliya districts. Fairly heavy falls above 50 mm are likely at some places in Western and Sabaragamuwa provinces and in Galle and Matara districts.
Showers or thundershowers may occur at a few places in Uva province and in Ampara and Batticaloa districts after 1.00 pm.
Fairly strong winds about (30-40) kmph can be expected at times over Western slopes of the central hills, Northern, North-central, North-western and Southern provinces and in Trincomalee district.
The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized 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 southwesterly. Wind speed will be (30-40) kmph. Wind speed can increase up to (60-65) kmph at times in the sea areas off the coast extending from Mullaittivu to Chilaw via Kankasanthurai, Mannar and from Galle to Pottuvil via Hambantota. Wind speed can increase up to 50 kmph at times in the other sea areas around the island.
State of Sea: The sea areas off the coasts extending from Mullaittivu to Chilaw via Kankasanthurai, Mannar and from Galle to Pottuvil via Hambantota will be very rough at times. The other sea areas around the island will be fairly rough at times.
The wave height may increase about (2.0 – 2.5) meters in the sea areas off the coast extending from Kalpitiya 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.