Nearly 400 people thronged the beach at Teethal in Valsad district of south Gujarat on Saturday evening following rumours that sea water had turned sweet.
Even as scientists dismissed the phenomenon as routine, people's curiosity was sparked off after television channels telecast the madness on Mumbai's Mahim beach.
"Some 40 people had gone to the beach in the morning out of curiosity after watching television reports about Mumbai and tasted the water", Valsad District Collector D Rawal told Hindustan Times on Saturday evening.
When the sea water was found less salty than usual, word spread like wild fire and about 400 people gathered at the beach by the evening, Rawal said.
Because of the monsoon, two rivers Auranga and Banki were in spate and were flowing into the sea in the region, Rawal explained.