The depression is in the south east Bay of Bengal area will gradually develop into a cyclonic storm (10th May). it is likely to move north-northeastwards towards Bangladesh Myanmar coasts.

Well-marked low over the Bay of Bengal will become Cyclone Mocha by Thursday. Mocha is expected to strike Myanmar or adjacent Bangladesh this weekend. No direct impact to Sri Lanka.


Due to this system, wind speeds will be (50-60) kmph and can increase up to 70 kmph in sea areas bounded by (02N – 15N) and (85E – 100E).
Heavy showers or thundershowers and very rough seas can also be expected in above sea areas.

Showers or thundershowers will occur at times in Western, Sabaragamuwa, Central, North-Western and Southern provinces.

Several spells of showers will occur in Northern provinces.

Showers or thundershowers will occur at several places elsewhere over the island particularly during the afternoon or night.

Strong winds about (40-45) kmph can be expected at times over western and southern coastal areas and along the western slopes of the central hills.

General public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.

Actions Required:

  • Naval and fishing communities are advised not to venture into the sea areas bounded
    by (02N – 15N) and between (85E – 100E) until further notice.
  • Those who are out at aforementioned sea regions are advised to return to coasts or
    moved safer areas immediately.
  • Fishing and naval community are requested to be attentive to future forecasts issued
    by the Department of Meteorology in this regard