Bulletin updated at 09:45 HKT 21/Dec/2025
By the Hong Kong Observatory at 9:45 a.m. on 21 Dec 2025
Warnings:
Gale force winds in Nan'ao and Shanwei. Strong winds in Hong
Kong adjacent waters, south of Hong Kong and Shangchuan Dao.
Weather Situation:
A replenishment of the northeast monsoon is affecting the
south China coastal waters gradually.
Area forecasts for the next 24 hours
Hong Kong Adjacent Waters:
Northeast force 5 to 6, becoming up to force 7.
Moderate to rough seas.
Nan'ao:
Northeast force 6 to 7, becoming up to force 8.
Rough seas, becoming very rough.
Shanwei:
East to northeast force 6 to 7, up to force 8 later.
Rough seas, becoming very rough later.
South of Hong Kong and Shangchuan Dao:
East to northeast force 5 to 6, becoming up to force 7.
Moderate to rough seas.
Outlook for the following 48 hours
East to northeasterly winds of force 6 to 7, up to force 8
in east at first.
Latest reports from south china coastal weather stations
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Waglan Island Wind northeast force 4
Shantou Wind southeast force 1
Visibility 10 kilometres
Huangmaozhou Wind northeast force 4
Macau Wind north force 2
Visibility 19 kilometres
Xisha Wind east-northeast force 3
Visibility 7 kilometres in mist