THIRUVANANTHAPURAM: The state will receive isolated rain for two days. A yellow alert is in place in Alappuzha, Ernakulam, Thrissur, Malappuram, Kozhikode and Kannur districts today and in Kannur and Kasaragod tomorrow. Coastal residents should be cautious as there is a possibility of high waves along Kerala and Tamil Nadu coasts. Fishing isn't allowed on Kerala coast.