Naval and fishing communities are advised not to venture north of Andaman sea and East-central Bay of Bengal Sea area (13N-18N, 85E-96E) during subsequent days  from 09th -12th October as strong or very strong gusty winds heavy rainfall and rough or very rough seas are expected. There is a possibility for formation of low pressure area over East-central Bay of Bengal, the Meteorology Department said further. Showers or thundershowers will occur in the sea areas off the coast extending from Kankesanturai to Matara via Mannar, Puttalam, Colombo and Galle. Showers or thundershowers may occur in the sea areas off the coast extending from Batticaloa to Trincomalee in evening or night. Winds will be Westerly to South-westerly in the sea areas around the island and the wind speed will be (30-40) kmph. Wind speed can increase up to (55-60) kmph in the sea areas off the coast extending from Matara to Pottuvil via Hambanthota. Wind speed can increase up to (50-55) kmph in the sea areas off the coast extending from Kankesanturai to Puttalam via Mannar. The sea areas off the coast extending from Matara to Pottuvil via Hambanthota can be rough at times. The sea areas off the coast extending from Kankesanturai to Puttalam via Mannar, can be fairly rough at times. Other sea areas around the island will be moderate.