The rise in water level has prompted authorities to issue an alert for villages along the river's banks in Narmada, Bharuch and Vadodara districts.
Strong winds, speed reaching 40-50 kmph, are likely to prevail over west-central and south-west Arabian Sea.
Heavy showers lashed several areas of Saurashtra and south Gujarat on Wednesday, officials said, adding that the state has so far received 116.59 per cent of the season's average annual rainfall.
Strong winds, speed reaching 45-55 kmph, are very likely to prevail over the southwest Arabian Sea off Somalia coast and west-central Arabian Sea and Odisha coast.
Water from the overflowing Vishwamitri river entered several localities in the city, bringing with it many crocodiles.
Heavy rainfall is likely at isolated places in Saurashtra and Kutch regions in the next 24 hours, an official of the India Meteorological Department (IMD) said.
With every tehsil in the state receiving good showers and water stock in dams at 60 per cent, there is no longer drought anywhere, chief minister Vijay Rupani said.
All schools and colleges have been ordered to remain shut on August 1. Vadodara railway station has been shut down.
He said the parties should extend a helping hand to those affected by rains, thunderstorm and lightning, which have also caused damage to property and crops.
Kamal Nath had tweeted that Modi is the country's PM and not of Gujarat and that rains and lightning had left 10 people dead in Madhya Pradesh but Modi's concerns were confined to Gujarat.