Local Weather Forecast

Current Weather | Regional Temperature Forecast in HK |  9-day Weather Forecast
UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 04:45 HKT 05/Jun/2018

Here is the latest weather bulletin issued by the Hong Kong Observatory.

Showers are affecting the coast of Guangdong and the northern part of the South China Sea. Locally, showers brought more than 10 millimetres of rainfall to many places this morning.

At 5 a.m., the tropical depression over the central part of the South China Sea was centred about 160 kilometres west of Xisha. It is forecast to move north at about 8 kilometres per hour towards the vicinity of Hainan Island.

Weather forecast for today

Mainly cloudy with showers and a few squally thunderstorms. The maximum temperature will be around 30 degrees. Moderate to fresh east to southeasterly winds, occasionally strong offshore.

Outlook : There will be squally showers and thunderstorms in the next couple of days.

(The above forecast period is valid up to 23:59 HKT today, 05/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE COAST OF
     GUANGDONG.
     AT 11 P.M. LAST NIGHT, THE TROPICAL DEPRESSION
     OVER THE CENTRAL PART OF THE SOUTH CHINA SEA WAS
     LOCATED NEAR 16.0 DEGREES NORTH, 110.6 DEGREES
     EAST. IT IS FORECAST TO MOVE NORTH SLOWLY
     TOWARDS THE VICINITY OF HAINAN ISLAND.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  110/10-15
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  120/20-25                            26-30
   B.   2000 FT:  120/20-25                            23
   C.   5000 FT:  120/20-25                            19
   D.  10000 FT:  150/15                               12
   E.  18000 FT:  170/20                               MS3
   F.  24000 FT:  180/10                               MS12
   G.  30000 FT:  150/10                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH SQUALLY SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT TEMPO FEW CB 1000 FT
      SCT 2500 FT BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.5-3.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO SOUTHEASTERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE. MAINLY CLOUDY WITH
     SQUALLY SHOWERS AND THUNDERSTORMS.=

===================================================================
Note: The forecast could be updated before the next issue time 
whenever there is newly expected occurrence or non-occurrence 
of significant weather as described below which may be hazardous 
to aircraft within 100-km radius of Hong Kong:

(a) Change of the tropical cyclone category
(b) Strong, Gale, Storm, and Hurricane force winds
(c) Thunderstorm/CBs
(d) Severe gusts
(e) Severe turbulence
(f) Significant low stratus
(g) Fog or thick haze/sandstorm/duststorm 
    causing significant reduction of visibility
(h) Volcanic ash
(i) Radioactive cloud
===================================================================

Aviation Weather Observation and Forecast Information for Hong Kong International Airport

To know more about clouds, please see Commonly observed clouds in Hong Kong.

Significant Weather Information (SIGMET)

The Airport Meteorological Office is responsible for monitoring hazardous weather and phenomena in the atmosphere that may affect the safety of aircraft operations within a designated airspace over the northern part of the South China Sea. Weather forecasters at the Airport Meteorological Office issues SIGMET information when hazardous weather and phenomena in the atmosphere such as thunderstorms, tropical cyclones, turbulence, icing occur or are expected to occur in the airspace.

Please click here for more about the SIGMET