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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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 18:02 HKT 22/Mar/2017

At 6 p.m. at the Hong Kong Observatory the air temperature was 19 degrees Celsius and the relative humidity 84 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.2. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 19 degrees;
Wong Chuk Hang 20 degrees;
Ta Kwu Ling 19 degrees;
Lau Fau Shan 19 degrees;
Tai Po 19 degrees;
Sha Tin 20 degrees;
Tuen Mun 20 degrees;
Tseung Kwan O 19 degrees;
Sai Kung 19 degrees;
Cheung Chau 19 degrees;
Chek Lap Kok 20 degrees;
Tsing Yi 21 degrees;
Shek Kong 21 degrees;
Tsuen Wan Ho Koon 19 degrees;
Tsuen Wan Shing Mun Valley 20 degrees;
Hong Kong Park 20 degrees;
Shau Kei Wan 19 degrees;
Kowloon City 19 degrees;
Happy Valley 20 degrees;
Wong Tai Sin 20 degrees;
Stanley 19 degrees;
Kwun Tong 19 degrees;
Sham Shui Po 20 degrees;
Kai Tak Runway Park 20 degrees;
Yuen Long Park 20 degrees;
Tai Mei Tuk 19 degrees.

Between 4:45 and 5:45 p.m., the rainfall recorded in various regions were:

Tuen Mun 0 to 1 mm;
Yuen Long 0 to 1 mm.


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


Climatological Information for 22 Mar


Local Weather Forecast
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Local Weather Forecast RSS

Local Weather Forecast

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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

Bulletin updated at 17:45 HKT 22/Mar/2017

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

The northeast monsoon is bringing significantly cooler weather to the coast of Guangdong. Locally, temperatures over the territory in the afternoon were generally five to six degrees lower than those of yesterday.

Weather forecast for tonight and tomorrow

Cloudy with one or two rain patches at first. Misty in the morning and at night. Sunny periods tomorrow. Temperatures will range between 18 and 23 degrees. Moderate easterly winds. Fresh at first.

Outlook : Sunny intervals in the following couple of days. Occasional rain with temperatures falling significantly on Sunday.


(The above forecast period is valid up to 23:59 HKT tomorrow, 23/03/2017; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)



MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 22/Mar/2017

GALE WARNING AREAS: TAIWAN STRAIT AND BASHI.

GENERAL SITUATION AT 212100 UTC:
THE NORTHEAST MONSOON IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 220100 UTC:

HONG KONG= E 5-6, OCNL 7. DOWN TO 1000 M IN MIST OR RAIN PATCHES. SEA UP TO 4 M. SWELL E UP TO 2 M. TEMP 19-18 C. =
KWANGTUNG= E TO NE 5-6, 7 IN E AT FIRST. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA 2-3 M, 4 M AT FIRST. SWELL NE 2 M. =
TAIWAN STRAIT= NE 6-7, UP TO 8 AT FIRST. ISOL SHOWERS AND TS LATER. SEA 3-4 M, UP TO 6 M AT FIRST. SWELL NE 3 M. =
BASHI= NE 7-8, S 4-5 LATER. ISOL SHOWERS AND TS LATER. SEA 4-6 M, 2 M LATER. SWELL NE 3 M. =
PRATAS= E TO NE 5-6, UP TO 7 AT FIRST. RAIN PATCHES. SEA 2-3 M, UP TO 4 M AT FIRST. SWELL NE 2 M. =
BALINTANG= NE 6-7, S 4-5 LATER. ISOL SHOWERS AND TS. SEA 3-4 M, 2 M LATER. SWELL NE 2-3 M. =
SCARBOROUGH= E TO NE 5-6, SE 4-5 LATER. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS AT FIRST. SEA 2-3 M. SWELL NE 2 M, UP TO 3 M LATER. =
PARACEL= E TO SE 4-5. DOWN TO 2000 M IN MIST PATCHES IN N. SEA UP TO 2 M. SWELL NE 2 M LATER. =
TONKIN= E TO SE 4-5. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA UP TO 2 M. =
DANANG= E TO SE 4-5. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA UP TO 2 M. =
NNNN
Abbreviations:
KT, VRB, SLW, FRQ - knot, variable, slow, frequent STNR, QSTNR, C - stationary, quasi-stationary, degrees celsius WKN, INTSF, INTST, NC - weaken, intensify, intensity, no change LGT, ISOL, SCT, OCNL - light, isolated, scattered, occasional CLD, DZ, TS - cloudy, drizzle, thunderstorm

The date and time are specified by a 6-digit number DDHHMM. DD stands for the day of month, HH represents the hour while MM indicates the minute in UTC.



SOUTH CHINA COASTAL WATERS
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South China Coastal Waters

Current Weather | Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 16:30 HKT 22/Mar/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 22 March 2017

Warnings:
Strong winds in Hong Kong adjacent waters, Nan'ao, Shanwei and south of Hong Kong.

Weather Situation:
The northeast monsoon is affecting the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East force 4 to 5, occasionally force 6.
A few rain and mist patches.
Moderate to rough seas.

Nan'ao, Shanwei and South of Hong Kong:
East to northeast force 5, occasionally force 6.
Moderate to rough seas.

Shangchuan Dao:
East force 4 to 5.
Moderate seas.

Outlook for the next 48 hours
Easterly winds of force 4 to 5, occasionally force 6 .

Latest reports from south China coastal weather stations
--------------------------------------------------------

Waglan Island Wind northeast force 4
  Visibility 6 Kilometres

Shantou Wind east-northeast force 1
  Visibility 14 Kilometres

Dongsha Wind east-southeast force 3
  Visibility 10 Kilometres

Huangmaozhou Wind east-northeast force 6

Macau Wind east force 3
  Visibility 4900 Metres in mist

Xisha Wind south force 2
  Visibility 28 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 22/MAR/2017
(Next update at 01:30 HKT 23/MAR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.   
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10-15
       OFFSHORE:  080/15-20, OCNL 25                   22-17
   B.   2000 FT:  130/20-25                            17
   C.   5000 FT:  180/15                               15
   D.  10000 FT:  250/30                               9
   E.  18000 FT:  250/40                               MS8
   F.  24000 FT:  240/65                               MS18
   G.  30000 FT:  240/70                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2500 - 3500 FT
   I. WEATHER       : 
      CLOUDY WITH A FEW RAIN PATCHES. LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 2000 FT
   K. VISIBILITY    : 7 KM. TEMPO 3000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 9600 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND  NEAR HILLS
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 18 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS. MAINLY CLOUDY WITH A
     FEW RAIN PATCHES. LOCALIZED MIST.=
===================================================================
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.


sigmet
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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.

The latest significant weather information
issued by the Hong Kong Observatory at 17:30 HKT on 22 Mar 17

VHHK SIGMET 1 VALID 220930/221330 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF N2100 AND W OF E11530 FL160/200 MOV ENE 10KT WKN=

Please click here for more about the SIGMET


Tropical Cyclone Warning
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Tropical Cyclone Warning

There is no tropical cyclone warning signal.

For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


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Last revision date: <06 Feb 2017> 

TROPICAL CYCLONE WARNING FOR SHIPPING
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Tropical Cyclone Warning for Shipping

There is no tropical cyclone warning for shipping*.




*Tropical cyclone warnings for shipping are issued by the Hong Kong Observatory for tropical cyclones located within the area bounded by 105E and 125E , 10N and 30N.




For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


YESTERDAY'S WEATHER AND RADIATION LEVEL Skip to main content
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Yesterday's Weather and Radiation Level

Bulletin issued at 00:15 HKT 22/Mar/2017
HKO Readings & Radiation Level

Yesterday's Weather and Radiation Level:
------------------------------------------------------

Hong Kong Observatory
Maximum Air Temperature                     27.6 C
Minimum Air Temperature                     19.1 C
Grass Minimum Temperature                   20.7 C
Relative Humidity                        69 - 96 Percent
Rainfall                                     0.6 mm 
Total rainfall since 1st January            51.6 mm
Against an average of                      120.0 mm

Other Stations                Min                  Max
King's Park                  18.5 C               26.8 C
Wong Chuk Hang               18.8 C               25.2 C
Ta Kwu Ling                  18.5 C               29.9 C
Lau Fau Shan                 19.9 C               28.0 C
Tai Po                       19.0 C               26.9 C
Sha Tin                      18.7 C               29.1 C
Tuen Mun                     20.5 C               28.6 C
Tseung Kwan O                18.1 C               27.7 C
Sai Kung                     18.5 C               25.5 C
Cheung Chau                  19.0 C               24.4 C
Chek Lap Kok                 20.5 C               27.6 C
Tsing Yi                     19.8 C               27.5 C
Shek Kong                    19.6 C               30.3 C
Tsuen Wan Ho Koon            18.8 C               26.7 C
Tsuen Wan Shing Mun Valley   19.1 C               28.5 C
Hong Kong Park               18.9 C               27.9 C
Shau Kei Wan                 17.7 C               25.6 C
Kowloon City                 18.8 C               28.6 C
Happy Valley                 19.3 C               29.3 C
Wong Tai Sin                 18.5 C               28.1 C
Stanley                      18.5 C               24.7 C
Kwun Tong                    18.0 C               28.0 C
Sham Shui Po                 19.8 C               28.3 C
Kai Tak Runway Park          18.7 C               24.4 C
Yuen Long Park               20.6 C               29.8 C
Tai Mei Tuk               18.3 C               28.1 C

Duration of sunshine (King's Park):              10.4 H
The mean UV index recorded at King's Park yesterday was 4,
the UV intensity was Moderate.
The maximum UV index for yesterday was 9.
Sea surface temperature (Waglan Island):        18.7 C 

Yesterday's (21 Mar 2017) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 to
0.15 microsievert per hour.  These are within the normal
range of fluctuation of the background radiation level in
Hong Kong (see Note). The average dose rates measured at the
radiation monitoring stations over various parts of the
territory were as follows :

Station                     Yesterday's average
                            (microsievert/hour)
Ping Chau                           0.08
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.12
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.09
King's Park                         0.14
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.15

Note
  1. From readings taken at various locations in Hong Kong during the period 1987-2016, the background ambient gamma radiation levels may vary between 0.06 and 0.30 microsievert per hour.
  2. The extent of health effects to a person as a result of exposure to radiation is expressed by a physical quantity called equivalent dose, in unit of sievert. Protective action may be required if there is an increase in the ambient gamma dose rate above background such that the total additional dose is expected to exceed 5000 microsieverts in a relatively short period of time. For example, a dose of 5000 microsieverts may be reached when the ambient gamma dose rate is 1000 microsieverts per hour (several thousand times above background) and lasts for 5 hours.
  3. The readings of ambient gamma radiation level from instrument are expressed in unit of gray, which is numerically equal to the gamma dose expressed in sievert.
Climatological Information for 21 Mar
Last revision date: <22 Mar 2017> 

From Weather Underground