Bulletin updated at 03:30 HKT 30/Nov/2025
By the Hong Kong Observatory at 3:30 a.m. on 30 Nov 2025
Warnings:
Strong winds in Nan'ao, Shanwei, south of Hong Kong and
Shangchuan Dao.
Weather Situation:
The northeast monsoon is affecting the south China coastal
waters.
At 3 a.m., Severe Tropical Storm Koto with maximum sustained
winds of about 90 kilometres per hour near its centre was
located at 13.7 degrees north, 112.2 degrees east. It is
forecast to move north-northeast slowly across the southern
part of the South China Sea.
Area forecasts for the next 24 hours
Hong Kong Adjacent Waters:
East to northeast force 4 to 5.
A few light rain patches.
Moderate seas.
Nan'ao:
Northeast force 5 to 6.
Isolated showers and thunderstorms.
Moderate to rough seas.
Shanwei, South of Hong Kong and Shangchuan Dao:
East to northeast force 5 to 6.
Isolated showers and thunderstorms.
Moderate to rough seas.
Outlook for the following 48 hours
East to northeasterly winds of force 5 to 6, up to force 7
in east later. Isolated showers and thunderstorms.
Latest reports from south china coastal weather stations
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Waglan Island Wind northeast force 4
Visibility 28 kilometres
Shantou Wind east-southeast force 1
Visibility 16 kilometres
Huangmaozhou Wind east-northeast force 4
Macau Wind north-northeast force 1
Visibility 23 kilometres
Xisha Wind east-northeast force 3
Visibility 13 kilometres