Under the combined effect of spring tide and the northeast monsoon, water levels over local coastal areas will be generally 0.5 to 1 metre higher than normal today and tomorrow (22 and 23 October). Flooding may occur over some low-lying coastal areas during the high tides at night. The water level over Victoria Harbour will rise to around 3 metres above Chart Datum.
Issued at 00:00 HKT 22/Oct/2025
