@korina According to the info you referred above, It supposes there is another update by 18 UTC, however as of now (19 UTC) still no update. The GFS gets update lately.
The GFS model info shown on Windy as below.
Updated 7h ago (ref 06Z)
Next update expected at: 02:53 AM (HKT/GMT+8), now at any moment
Update interval: 6 - 7 hrs
Reference time: 2022-01-10T06:00:00Z