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South China Coastal Waters

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Bulletin issued at 12:30 HKT 23/Jul/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 23 July 2017

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

Weather Situation:
At noon, Tropical Storm Roke with maximum sustained winds of about 65 kilometres per hour near its centre was located at 22.6 degrees north, 114.0 degrees east. It is forecast to move west or west-northwest at about 20 kilometres per hour across inland Guangdong and weaken gradually. Meanwhile, the tropical depression over the seas east of Hainan Island with maximum sustained winds of about 45 kilometres per hour near its centre was located near 17.9 degrees north, 111.1 degrees east. It is forecast to move west-northwest slowly towards Hainan Island.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
Cyclonic force 7 to 8, becoming east to southeast up to force 7 later.
Frequent heavy squally showers and thunderstorms.
Rough to very rough seas.

Nan'ao and Shanwei:
East to southeast force 6 to 7.
Frequent heavy squally showers and thunderstorms.
Rough to very rough seas.

South of Hong Kong:
North force 7 to 8, becoming south force 8.
Frequent heavy squally showers and thunderstorms.
Rough to very rough seas.

Shangchuan Dao:
Southeast force 5 to 6.
Frequent heavy squally showers and thunderstorms.
Rough seas.

Outlook for the next 48 hours
East to southeasterly winds of force 5 to 6, occasionally force 7. Occasional squally showers and thunderstorms.

Latest reports from south China coastal weather stations
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Waglan Island Wind south force 4
  Visibility 18 Kilometres

Shantou Wind east force 2
  Visibility 2100 Metres in showers

Dongsha Wind south force 2
  Visibility 9 Kilometres

Huangmaozhou Wind north force 2

Macau Wind northeast force 3
  Visibility 9 Kilometres in drizzle

Xisha Wind southwest force 5
  Visibility 10 Kilometres