The typhoon's rapid development took hundreds of vessels by surprise, leading to 275 offshore fatalities. Of these, 91 occurred after an oil drilling ship, the "Seacrest", capsized amid swells. Across the Malay Peninsula, 588 people died from various storm-related incidents. Several towns in coastal Chumphon were destroyed. Losses throughout Thailand totaled (). Striking India as a powerful cyclone, Gay damaged or destroyed about 20,000 homes in Andhra Pradesh, leaving 100,000 people homeless. In that country, 69 deaths and () in damage were attributed to Gay.