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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 21:02 HKT 20/Apr/2018

At 9 p.m. at the Hong Kong Observatory the air temperature was 23 degrees Celsius and the relative humidity 85 per cent.

The air temperatures at other places were:

King's Park 23 degrees;
Wong Chuk Hang 23 degrees;
Ta Kwu Ling 23 degrees;
Lau Fau Shan 22 degrees;
Tai Po 23 degrees;
Sha Tin 23 degrees;
Tuen Mun 23 degrees;
Tseung Kwan O 22 degrees;
Sai Kung 23 degrees;
Cheung Chau 22 degrees;
Chek Lap Kok 24 degrees;
Tsing Yi 24 degrees;
Shek Kong 24 degrees;
Tsuen Wan Ho Koon 22 degrees;
Tsuen Wan Shing Mun Valley 23 degrees;
Hong Kong Park 23 degrees;
Shau Kei Wan 22 degrees;
Kowloon City 23 degrees;
Happy Valley 23 degrees;
Wong Tai Sin 23 degrees;
Stanley 23 degrees;
Kwun Tong 22 degrees;
Sham Shui Po 23 degrees;
Kai Tak Runway Park 23 degrees;
Yuen Long Park 23 degrees;
Tai Mei Tuk 22 degrees.


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


Climatological Information for 20 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 20:45 HKT 20/Apr/2018

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

A band of clouds is covering Guangdong.

Weather forecast for tonight and tomorrow

Mainly cloudy. One or two showers tomorrow morning. Sunny periods in the afternoon. Temperatures will range between 23 and 28 degrees. Moderate east to southeasterly winds.

Outlook : Hot with sunny periods in the following couple of days. Showery on Tuesday.


(The above forecast period is valid up to 23:59 HKT tomorrow, 21/04/2018; 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 20/Apr/2018

N0 WARNING.

GENERAL SITUATION AT 200900 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS

MARINE FORECAST FOR 24 HOURS FROM 201300 UTC:

HONG KONG= E TO SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. TEMP 23-28 C. =
KWANGTUNG= E TO SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
TAIWAN STRAIT= E TO NE 4-5. ISOL SHOWERS. SEA UP TO 2 M. =
BASHI= E 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
PRATAS= E 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. SWELL E TO NE UP TO 2 M. =
BALINTANG= E 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. SWELL NE UP TO 2 M. =
PARACEL= E TO SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
TONKIN= SE 4-5, OCNL 6. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA UP TO 3 M. =
DANANG= E TO SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 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 19:30 HKT 20/Apr/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 20 April 2018

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

Weather Situation:
An easterly airstream is affecting the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to southeast force 4 to 5, occasionally force 6.
A few showers.
Moderate to rough seas.

Nan'ao:
East to northeast force 4 to 5, occasionally force 6.
Moderate to rough seas.

Shanwei:
East force 4 to 5, occasionally force 6.
Moderate to rough seas.

South of Hong Kong:
East to southeast force 4 to 5, occasionally force 6.
Moderate to rough seas.

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

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

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

Waglan Island Wind east-northeast force 4
  Visibility 11 Kilometres

Shantou Wind east-northeast force 2
  Visibility 25 Kilometres

Huangmaozhou Wind east force 6

Macau Wind east force 3
  Visibility 6 Kilometres

Xisha Wind east-southeast force 2
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 21:40 HKT 20/APR/2018
(Next update at 01:30 HKT 21/APR/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.  GALE FORCE WINDS
     NEAR HILLS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 2130 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  090/20, OCNL 25                      25-22
   B.   2000 FT:  140/25-30, OCNL 35 AT FIRST          19
   C.   5000 FT:  150/10                               16
   D.  10000 FT:  220/15                               8
   E.  18000 FT:  250/25                               MS8
   F.  24000 FT:  260/35                               MS18
   G.  30000 FT:  260/45                               MS33
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH ONE OR TWO SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 3000 FT
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN SHOWERS.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 9200 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, FRESH OFFSHORE AT
     FIRST.  MAINLY CLOUDY WITH A FEW SHOWERS IN THE
     MORNING.=
===================================================================
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 13:35 HKT on 15 Apr 18

VHHK SIGMET 3 VALID 150345/150745 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2000 E11130 - N2124 E11130 - N2230 E11342 - N2336 E11712 - N2242 E11712 - N2000 E11130 - N2000 E11130 TOP FL400 MOV NE 15KT NC= VHHK SIGMET 5 VALID 150535/150935 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2248 E11442 - N2342 E11730 - N2248 E11730 - N2154 E11442 - N2248 E11442 TOP FL400 MOV NE 15KT 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.


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