In the past few hours, the structure of the area of low pressure over the northern part of the South China Sea remained relatively loose. It is expected to take some time to consolidate. Whether it will develop into a tropical depression can only become more certain when it is relatively close to the coast of Guangdong. If the area of low pressure develops into a tropical depression, the Observatory will assess the need for issuing the Standby Signal, No. 1 tonight (13 July) to tomorrow at first (14 July).
According to the present forecast, the low pressure system will be closest to Hong Kong tomorrow morning, skirting within 100 kilometres of the territory. Heavy showers, thunderstorms and squalls will affect Hong Kong tomorrow. There may be a need to issue rainstorm warning signals or Localised Heavy Rain Advisory. Strong winds will prevail offshore. Flooding may occur in some low-lying areas. Under the influence of an active southwesterly airstream, showers will be heavier in some areas at first on Wednesday (15 July) and there will still be strong winds offshore. The Observatory will closely monitor the development and movement of the low pressure system. Members of the public should take note of the latest weather information from the Observatory.
Issued at 17:00 HKT 13/Jul/2026
