Sea areas off the coast extending from Puttalam to Batticaloa via Colombo and Galle, can be rough and experience surges (particularly during high tide time) due to the effect of swell waves, having 3.0 -3.5-meter height.
The sea areas extending from Puttalam to Pottuvil via Negombo, Galle and Hambanthota can be rough at times as the wind speed can increase up to 60 kmph at times.
Naval and fishing communities are requested to be vigilant in this regard.
Showers or thunder showers will occur at a few places in the eastern sea areas and light showers may occur in the sea areas extending from Colombo to Matara via Galle.
Winds will be westerly or south-westerly in direction in the sea areas around the island and wind speed will be 30-40 kmph.