Thiruvananthapuram: The Indian National Centre for Ocean Information Services on Saturday withdrew a 'red alert' issued for 'Kallakkadal' in the coastal areas of Kerala and the south Tamil Nadu coast and revised it to an 'orange alert'.

'Kallakkadal' is a phenomenon of sudden sea swells causing rough waves in coastal areas.

As part of the phenomenon, the low-lying areas of the Kerala coast are likely to experience rough sea and sea surge due to extremely strong waves of 0.5 meters to 1.5 meters till 11.30 pm on Sunday, the INCOIS said.

Fishermen and coastal residents are also advised to be cautious, as there is a possibility of turbulence.

1. As the rough seas are likely to intensify, stay away from the danger areas as per the instructions of the authorities.

2. Keep fishing vessels (boats, etc.) safely moored in the harbor. Keeping a safe distance between boats can help avoid the risk of collision. The safety of fishing equipment should be ensured.

3. Avoid trips to the beach and activities at sea completely.

4. People should be kept off all beaches until the warning is lifted.

5. Fishing in boats and small craft shall not be allowed in the areas adjacent to the Kerala coast until this warning is withdrawn.

6. In areas adjacent to the Kerala coast, small vessels should not go out to sea for fishing in bays and estuaries until this warning is lifted. The sea will be rough.