THIRUVANANTHAPURAM: There is a possibility of heavy rain in the state today as well. Yellow alert has been declared in nine districts. The yellow alert is in Kollam, Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam, Thrissur, Kozhikode and Kannur districts.

Wave heights of up to 3.3 m are likely along the Kerala coast till tomorrow. The National Institute of Oceanography issued a warning for coastal areas.