The city's main bus operators said their services would slowly resume within an hour after the T8 signal was lowered, while the MTR Corporation said train frequencies would be boosted.
The Hong Kong Observatory said the No 8 storm signal will be replaced with the Standby Signal No 3 at 4.20 pm.
KMB and Long Win Bus Company announced that most of their non-overnight bus routes would start resuming from 5 pm, while Citybus said services would gradually resume from 4.30 pm.
The MTR Corporation, meanwhile, said train frequencies would be boosted and its bus services would also resume services after the T8 signal was lowered..
Ferry services were also resuming.
Sun Ferry said services between Central and both Cheung Chau and Mui Wo would re-start from 5.40 pm.