New Delhi: The severe cyclonic storm Maha, which is currently over the Arabian Sea, is "very likely" to weaken into a depression by Thursday evening, the Indian Meteorological Department (IMD) said.

In a bulletin released late Wednesday night, the weather department said 'Maha' had moved east-northeastwards with a speed of 21 kmph and lay centred over east-central and adjoining northeast the Arabian Sea, about 250 km southwest of Porbandar in Gujarat and 290 km west-southwest of Diu.