Bookmark and Share
Page refreshed at   [Refresh] [中文]

Warning(s) in Force [Details] [Def]

Earthquake Info

+M 6.9 - 2km S of Belanting, Indonesia

UTC Time: Sun 2018/08/19 14:56:28
Local Time: Sun 2018/08/19 22:56:28
HK Time: Sun 2018/08/19 22:56:28

Location: 8.32S 116.63E; Magnitude: 6.9
3,413 km from HK
Depth: 25.62 km

+M 6.8 - 282km ESE of Lambasa, Fiji

UTC Time: Sun 2018/08/19 04:28:59
Local Time: Sat 2018/08/18 16:28:59
HK Time: Sun 2018/08/19 12:28:59

Location: 16.95S 178.02W; Magnitude: 6.8
8,565 km from HK
Depth: 422.83 km

+M 6.3 - 6km NE of Sembalunlawang, Indonesia

UTC Time: Sun 2018/08/19 04:10:21
Local Time: Sun 2018/08/19 12:10:21
HK Time: Sun 2018/08/19 12:10:21

Location: 8.32S 116.58E; Magnitude: 6.3
3,413 km from HK
Depth: 7.91 km

Tropical Cyclone Information [Details] [HKO link]

- Category 3 Typhoon SOULIK bulletin #4 (2018/08/19, 22:15 HKT)
- Severe Tropical Storm CIMARON bulletin #2 (2018/08/19, 22:15 HKT)

Weather Details around Hong Kong [Details] [HKO link]

Regional Weather of Hong Kong

Astronomical / Tidal Information [Details] [HKO link]

Info for 20/08/2018 (Monday):
Astro. Info
Sunrise:06:0204:392.0 m
Sunset:18:5112:341.0 m
Moonrise:14:1719:041.4 m
Moonset:00:4621:361.3 m

Planetary phenomena in the coming week:
Aug 21, 17:55 HKT: Moon-Saturn: 2.4° S
Aug 22, 10:58 HKT: Moon South Dec.: 20.8° S
Aug 23, 19:23 HKT: Moon Apogee: 405700 km
Aug 24, 12:51 HKT: Moon Descending Node
Aug 26, 19:56 HKT: Full Moon
Aug 27, 03:59 HKT: Mercury Elongation: 18.3° W
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 09:30 on 20/8/2018

27.2 C 91 % 1004.1 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:27.2 C
RH.: 91 %
Apparent Temp.:31.4 C (CAUTION)
Dew Point:25.6 C
Temp. of today:28.8 / 26.1 C (Range 2.7 C)
Mean SLP.:1004.1 hPa
King's Park Wind:4 km/h (W)
UV:0.1 (Low)
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 20:00 HKT on 19/8/2018 - Level of instability:

3-day Weather Forecast [Click for 9-day] [HKO link]

3-day Weather Forecast Data as of 08:25 HKT 20/Aug/2018

General Situation: A broad trough of low pressure will linger over the south China coast and the northern part of the South China Sea this week, bringing showers to the region. Besides, Tropical Cyclone Soulik will move across the western North Pacific towards the vicinity of the Ryukyu Islands to the Korean Peninsula in the next couple of days.

20/8 (Mon)

Mainly cloudy with occasional showers and thunderstorms. Sunny intervals in the afternoon.

Sunny intervals and a few showers.

Sunny periods and a few showers.
Wind SW force 2 to 3. SW force 2 to 3. Light winds force 2.
26 - 31 °C
27 - 31 °C
28 - 32 °C
75 - 95 %
75 - 95 %
70 - 95 %

Weather Conditions in South China Sea [Details] [HKO link]

Real-time Weather Photos [Details] [HKO link]

The following photo shows the real-time view of Victoria Harbour (active from 5am to 9pm), as viewed from Central towards the east.

Real-time photo at Central

Satellite / Radar Images [Details]

Radar: 256 km range

Radar: 128 km range

Radar: 64 km range

Satellite: IR imagery*

* The Satellite imagery above is taken by Himawari-8 operated by the Japan Meteorological Agency (JMA).

Aviation Weather Observation Report [HKO link]

HK International Airport METAR report Data as of 09:30 HKT on 20 Aug 18

Original code: METAR VHHH 200130Z VRB02KT 3500 BR FEW012 SCT025 29/26 Q1004 TEMPO 3500 -RA BR FEW010 SCT020=

Wind Visibility Weather Cloud Amount Cloud Base Temperature Dew Point Pressure (QNH)
2 knots direction variable
3500 m
1 to 2 oktas
3 to 4 oktas
1200 feet
2500 feet
29 oC
26 oC
1004 hPa

Next Two Hours Change Visibility Weather Cloud Amount Cloud Base
3500 m
Light Rain, Mist
1 to 2 oktas
3 to 4 oktas
1000 feet
2000 feet

Meteorological Calculation

A. Conversion between units


B. Calculation of distance between places on Earth

Place 1:     Lat :   Long :
Place 2:     Lat :   Long :

Current Partner Sites [Details]


Our Facebook Page [Link]



This site is best viewed at 1024 x 768 resolution.

All weather information of Hong Kong contained in this site is given by the Hong Kong Observatory. Permission has been granted by the Observatory for the reproduction of weather information in this site.

Last Modified: Thu, Jan 04 2018