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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 01:02 HKT 09/Apr/2018

At 1 a.m. at the Hong Kong Observatory the air temperature was 19 degrees Celsius and the relative humidity 75 per cent.

The air temperatures at other places were:

King's Park 18 degrees;
Wong Chuk Hang 16 degrees;
Ta Kwu Ling 15 degrees;
Lau Fau Shan 17 degrees;
Tai Po 16 degrees;
Sha Tin 15 degrees;
Tuen Mun 18 degrees;
Tseung Kwan O 15 degrees;
Sai Kung 16 degrees;
Cheung Chau 18 degrees;
Chek Lap Kok 20 degrees;
Tsing Yi 17 degrees;
Shek Kong 15 degrees;
Tsuen Wan Ho Koon 15 degrees;
Tsuen Wan Shing Mun Valley 15 degrees;
Hong Kong Park 18 degrees;
Shau Kei Wan 18 degrees;
Kowloon City 18 degrees;
Happy Valley 17 degrees;
Wong Tai Sin 17 degrees;
Stanley 18 degrees;
Kwun Tong 18 degrees;
Sham Shui Po 18 degrees;
Kai Tak Runway Park 19 degrees;
Yuen Long Park 16 degrees;
Tai Mei Tuk 18 degrees.


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


Climatological Information for 9 Apr


Local Weather Forecast
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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 00:45 HKT 09/Apr/2018

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

The northeast monsoon continued to affect Guangdong yesterday. Locally, the weather was fine. It was dry in the afternoon and the relative humidity over the territory stayed around 50 per cent. The northeast monsoon is expected to moderate today and tomorrow. Temperatures over the region will rise gradually.

Weather forecast for Hong Kong

Mainly fine. The minimum temperature will be about 19 degrees in the urban areas in the morning, and a couple of degrees lower in the New Territories. Warm during the day with a maximum temperature of around 26 degrees. Moderate easterly winds.

Outlook : Sunny periods in the following couple of days. Hot during the day in the middle and latter parts of this week.


(The above forecast period is valid up to 23:59 HKT today, 09/04/2018; 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 21:00 HKT 08/Apr/2018

GALE WARNING AREAS: BASHI, BALINTANG AND SCARBOROUGH.

GENERAL SITUATION AT 080900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 081300 UTC:

HONG KONG= E TO NE 4-5, OCNL 6. FINE. SEA UP TO 3 M. SWELL N TO NE 2 M. TEMP 19-26 C. =
KWANGTUNG= E TO NE 5-6. FINE. SEA 2-3 M. SWELL N TO NE 2-3 M. =
TAIWAN STRAIT= NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL N TO NE 3 M. =
BASHI= E TO NE 6-7, OCNL 8. ISOL SHOWERS. SEA UP TO 6 M. SWELL N TO NE 3 M. =
PRATAS= E TO NE 6-7. ISOL SHOWERS. SEA 3-4 M. SWELL N TO NE 3 M. =
BALINTANG= E TO NE 6-7, OCNL 8. ISOL SHOWERS. SEA UP TO 6 M. SWELL N TO NE 3 M. =
SCARBOROUGH= NE 6-7, OCNL 8. ISOL SHOWERS. SEA UP TO 6 M. SWELL N TO NE 3 M. =
PARACEL= E TO NE 5-6, UP TO 7 IN S. ISOL SHOWERS. SEA 2-3 M, UP TO 4 M IN S. SWELL N TO NE 3 M. =
TONKIN= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL N TO NE 2-3 M. =
DANANG= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL N TO NE 3 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 23:30 HKT 08/Apr/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 08 April 2018

Warnings:
Strong winds in all areas.

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.
Moderate to rough seas.

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

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

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

Waglan Island Wind east force 1
  Visibility 16 Kilometres

Shantou Wind southeast force 2
  Visibility 30 Kilometres

Dongsha Wind east force 4
  Visibility 10 Kilometres

Huangmaozhou Wind east force 3

Macau Wind south-southeast force 1
  Visibility 9 Kilometres

Xisha Wind northeast force 3
  Visibility 12 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 09/APR/2018
(Next update at 9:00-9:30 HKT 09/APR/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON NOW AFFECTING SOUTH CHINA IS MODERATING
     GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/5-10
       OFFSHORE:  080/10-15                            16-26
   B.   2000 FT:  120/10-15                            15
   C.   5000 FT:  160/15                               12
   D.  10000 FT:  260/10                               7
   E.  18000 FT:  280/35                               MS8
   F.  24000 FT:  280/50                               MS15
   G.  30000 FT:  270/55                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3500 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 8200 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.5-2.0 M     SEA TEMPERATURE    : 22 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS. MAINLY FINE.=
===================================================================
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 14:15 HKT on 07 Apr 18

VHHK SIGMET 1 VALID 070615/071015 VHHH- VHHK HONG KONG FIR SEV ICE OBS N OF N2030 AND E OF E11230 FL140/200 MOV E 10KT NC=

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 Apr 2018> 

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 09/Apr/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     24.9 C
Minimum Air Temperature                     16.3 C
Grass Minimum Temperature                   13.1 C
Relative Humidity                        41 - 73 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            89.4 mm
Against an average of                      210.2 mm

Other Stations                Min                  Max
King's Park                  15.7 C               23.8 C
Wong Chuk Hang               13.3 C               23.4 C
Ta Kwu Ling                   7.4 C               25.9 C
Lau Fau Shan                 13.0 C               23.6 C
Tai Po                       12.8 C               22.6 C
Sha Tin                      12.1 C               25.0 C
Tuen Mun                     15.0 C               24.9 C
Tseung Kwan O                14.1 C               23.7 C
Sai Kung                     15.8 C               22.6 C
Cheung Chau                  14.6 C               24.7 C
Chek Lap Kok                 14.5 C               24.6 C
Tsing Yi                     16.1 C               24.5 C
Shek Kong                    10.1 C               26.6 C
Tsuen Wan Ho Koon            12.9 C               23.7 C
Tsuen Wan Shing Mun Valley   11.9 C               24.9 C
Hong Kong Park               15.0 C               23.7 C
Shau Kei Wan                 15.2 C               23.5 C
Kowloon City                 15.5 C               24.4 C
Happy Valley                 13.1 C               25.0 C
Wong Tai Sin                 14.7 C               24.4 C
Stanley                      16.4 C               22.9 C
Kwun Tong                    15.7 C               23.8 C
Sham Shui Po                 15.3 C               23.9 C
Kai Tak Runway Park          16.9 C               22.0 C
Yuen Long Park               11.1 C               25.8 C
Tai Mei Tuk               14.6 C               25.3 C

Duration of sunshine (King's Park):              11.1 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 8.
Sea surface temperature (Waglan Island):        22.0 C 

Yesterday's (08 Apr 2018) 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                               0.11
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                         0.15
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 in the past, the hourly mean ambient gamma radiation dose rate may vary between 0.06 and 0.3 microsievert per hour. (1 microsievert = 0.000001 sievert = 0.001 millisievert)
  2. Temporal variations are generally caused by changes in meteorological conditions such as rainfall, wind and barometric pressure.
  3. Spatial variations are generally caused by differences in the radioactive content of local rock and soil.
  4. The data displayed is provisional. Only limited data validation has been carried out.
Climatological Information for 08 Apr
Last revision date: <09 Apr 2018> 

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