The Deep Depression has moved north of us, so wind will be not from Sea and it will be from land and the bands are getting stronger and stronger.
The Deep Depression is not going come towards Chennai, the winds from NW is a clear indication that the system is north east of Chennai. (Refer the radar and Vp2 tool). So rains with short heavy spell is set to continue for while.
Track the live rainfall rate of IMD Chennai -
Courtesy : Tamil Nadu Weatherman FB