A woman rides her tricycle in rain brought by Super Typhoon Saola on Lantau island in Hong Kong on Sept 1, 2023. (PHOTO / AFP)

BEIJING -- China's national observatory on Friday renewed a red alert for typhoons Saola and Haikui, which are expected to bring gales and heavy rains to the country's southern coastal regions.

Typhoon Saola, the ninth typhoon of this year, is moving in northwesterly and westerly directions at a speed of 10-15 kilometers per hour, according to the National Meteorological Center (NMC).

Typhoon Haikui, the 11th typhoon of this year, is moving in a northwesterly direction at a speed of 15-20 kilometers per hour

READ MORE: HK buckles down for Super Typhoon Saola

It is likely to make landfall on the coast within an area stretching from Huidong to Taishan in China's southern Guangdong province from Friday evening to Saturday morning, or it may move southwestward from the coastal areas near the middle parts of Guangdong, the NMC said.

The Macao Special Administrative Region declared a "state of immediate prevention" on Friday afternoon due to the approaching of Typhoon Saola.

The Macao Meteorological and Geophysical Bureau hoisted Signal No 8, the third-highest level, and issued an orange storm surge warning at 14:00 local time.

It said that Typhoon Saola was located about 200 km east of Macao at 14:00, expecting the local winds to strengthen.

Local schools postponed opening the new school year normally scheduled on the first day of September. Three cross-sea bridges were closed. Buses gradually stopped services in the afternoon and ferry services were halted. A total of 106 flights were canceled.

Local residents were advised to stay indoors. Many lined up at supermarkets and food stores on Friday morning to buy daily necessities, Xinhua reports from Macao. 

Meanwhile, Typhoon Haikui, the 11th typhoon of this year, is moving in a northwesterly direction at a speed of 15-20 kilometers per hour, and gradually approaching the coastal areas near eastern China.

READ MORE: Residents evacuated as Saola brings city to a standstill

It may pass through Taiwan Island and enter the Taiwan Strait before approaching the coast of Fujian around Sunday, according to the NMC.