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Bulletin updated at 23:30 HKT
17/Jul/2018

South China Coastal Waters

Warnings:
Gale force winds in all areas.

Weather Situation:

At 11 p.m., Tropical Storm Son-Tinh with maximum sustained winds of about 85 kilometres per hour near its centre was located near 19.2 degrees north, 112.3 degrees east. It is forecast to move west at about 35 kilometres per hour across the northern part of the South China Sea and towards Hainan Island.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East force 6 to 7, occasionally force 8 at first.
Occasional squally showers and thunderstorms.
Rough to very rough seas.

Nan'ao:
East force 6 to 7, occasionally force 8.
Frequent heavy squally showers and thunderstorms.
Rough to very rough seas.

Shanwei:
East force 6 to 7, occasionally force 8.
Frequent heavy squally showers and thunderstorms.
Rough to very rough seas.

South of Hong Kong:
East to southeast force 6 to 7, up to force 8 at first.
Frequent heavy squally showers and thunderstorms.
Very rough seas.

Shangchuan Dao:
Cyclonic force 8, east to southeast force 6 to 7 later.
Frequent heavy squally showers and thunderstorms.
Very rough seas.

Outlook for the next 48 hours
East to southeasterly winds of force 5 to 6. Scattered heavy squally showers and thunderstorms.

Latest reports from south china coastal weather stations:

Waglan Island
Wind east force 7

Shantou
Wind east force 3
Visibility 30 kilometres

Huangmaozhou
Wind east force 9

Macau
Wind east-southeast force 3
Visibility 3800 metres
in thunderstorms

Xisha
Wind west-northwest force 2
Visibility 23 kilometres

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