Cyclone Tauktae, which has intensified into an extremely severe cyclonic storm, is expected to hit the Gujarat coast tonight between 8 and 11 pm.
The Cyclone is around 160 km south-southwest of Mumbai triggering winds and rains in the city as it hurtles towards Gujarat.
Mumbai airport has been shut between 11 am and 2 pm due to the cyclone.
In Gujarat, officials are bracing for very heavy rainfall and winds of up to 190 km per hour.
Massive damage is expected in Porbandar, Amreli, Junagarh, Gir Somnath, Botad, Bhavnagar and coastal areas of Ahmedabad. The weather department has warned of threats from flying objects and damage to power and communication lines.
More than 1.5 people lakh have been shifted from low-lying areas in the state