Heavy rain is forecast for 15 districts in Tamil Nadu beginning Sunday due to an active southwest monsoon.
Northern districts, including Chennai, Tiruvallur, and Kancheepuram, are expected to experience significant precipitation and potential thunderstorms.
Fishermen are advised to exercise caution due to strong squally winds in the Bay of Bengal from June 29.
Ocean current alerts are in effect for coastal regions including Nagapattinam, Tuticorin, and Ramanathapuram.