The 15-minute displays will take place simultaneously from 9.15 pm to 9.30 pm at Lam Son Square in Hac Thanh Ward and Sam Son Beach Square.
Art performances will also be held at the two venues alongside the fireworks.
The events are part of a series of cultural and entertainment activities planned for the National Day holiday.
Thanh Hoa's 2026 Sam Son Sea Tourism Festival attracted more than 10,000 people with a series of music, art and fireworks events.
The province welcomed about 13.2 million visitors in the first seven months of 2026, up 11.3 per cent year on year and reaching nearly 80 per cent of its annual target.
Tourism revenue exceeded VND 20 trillion (USD 760 million), up 12.9 per cent from the same period last year.
