The Leisure and Cultural Services Department reported on September 17, 2026 that red flags had been raised at several Hong Kong beaches because of big waves. Beachgoers were advised not to swim at the affected sites.

On Hong Kong Island, the flags were raised at Stanley Main Beach, Shek O Beach and Big Wave Bay Beach in Southern District. In Sai Kung District, the flags were raised at Silverstrand Beach and Clear Water Bay Second Beach.

The department issued the report with an appeal to television and radio announcers to broadcast it promptly to swimmers. The advisory applies to the named beaches only.