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

Bulletin issued at 12:31 HKT 04/Jun/2018

At noon at the Hong Kong Observatory the air temperature was 29 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 4. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 29 degrees;
Wong Chuk Hang 29 degrees;
Ta Kwu Ling 33 degrees;
Lau Fau Shan 30 degrees;
Tai Po 29 degrees;
Sha Tin 29 degrees;
Tuen Mun 31 degrees;
Tseung Kwan O 29 degrees;
Sai Kung 29 degrees;
Cheung Chau 27 degrees;
Chek Lap Kok 30 degrees;
Tsing Yi 30 degrees;
Shek Kong 30 degrees;
Tsuen Wan Ho Koon 29 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 28 degrees;
Shau Kei Wan 28 degrees;
Kowloon City 29 degrees;
Happy Valley 29 degrees;
Wong Tai Sin 29 degrees;
Stanley 28 degrees;
Kwun Tong 29 degrees;
Sham Shui Po 31 degrees;
Kai Tak Runway Park 28 degrees;
Yuen Long Park 31 degrees;
Tai Mei Tuk 31 degrees.

5.3 millimetres of rainfall were recorded at the Hong Kong Observatory between midnight last night and midday today.

Here is the information on Tropical Depression at noon:
Location: 15.8 degrees north, 110.5 degrees east.

Note:

The data above is provisional. Only limited data validation has been carried out.

Climatological Information for 4 Jun

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 11:45 HKT 04/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.

At noon, the tropical depression over the central part of the South China Sea was centred about 230 kilometres west-southwest of Xisha. It is forecast to move north slowly towards the vicinity of Hainan Island.

Weather forecast for this afternoon and tonight

Mainly cloudy with a few showers and thunderstorms. Moderate easterly winds, fresh offshore.

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

(The above forecast period is valid up to 23:59 HKT today, 04/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

South China Coastal Waters

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 NOON, THE TROPICAL DEPRESSION OVER THE
     CENTRAL PART OF THE SOUTH CHINA SEA WAS LOCATED
     AT 15.8 DEGREES NORTH, 110.5 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 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  080/20-25                            33-28
   B.   2000 FT:  110/20-25                            23
   C.   5000 FT:  120/15-20                            18
   D.  10000 FT:  130/15                               13
   E.  18000 FT:  160/10                               MS1
   F.  24000 FT:  180/10                               MS12
   G.  30000 FT:  300/10                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY.  A FEW ISOLATED SHOWERS AND
      SQUALLY THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 6000 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) : 11200 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS. MAINLY CLOUDY
     WITH ISOLATED SHOWERS AND SQUALLY 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