The heavy rainfall and thunderstorms are expected to impact daily life in Mumbai, Thane, Palghar, and other parts of Maharashtra, potentially causing waterlogging, traffic disruptions, and localised flooding. Fishermen have been warned of squally weather with wind speeds reaching 40-50 kmph, gusting to 60 kmph along the North Maharashtra coast from 27th to 30th September, and 45-55 kmph, gusting to 65 kmph from 28th to 30th September. Similar conditions are expected along the South Maharashtra-Goa coast from 26th to 30th September, posing risks to maritime activities.