Showers or thundershowers will occur at several places in the sea areas off the coast extending from Puttalam to Hambantota via Colombo and Galle. Showers or thundershowers may occur at a few places over the other sea areas around the island.
Winds:
Wind speed will be (40-50) kmph and wind speed may increase up to (60-70) kmph at times in the sea areas off the coast extending from Chilaw to Kankasanthurai via Puttalam and Mannar and from Matara to Pottuvil via Hambanthota.
Wind speed will be (30-40) kmph and wind speed may increase up to (50-55) kmph at times in the sea areas off the coast extending from Chilaw to Matara 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 Matara to Pottuvil via Hambanthota 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 off the coast extending from Chilaw to Matara via Colombo and from Kankasanthurai to Trincomalee via Mullaittivu will be rough at times.
The wave height may increase (about 2.0 – 3.0 m) in the sea areas off the coast extending from Mannar to Pottuvil via Puttalam, 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.