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South China Coastal Waters

Bulletin updated at 03:30 HKT 17/Nov/2025

By the Hong Kong Observatory at 3:30 a.m. on 17 Nov 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:
The northeast monsoon is affecting the south China coastal
waters. Besides, a cold front is expected to move across the
coastal waters of Guangdong tonight to early tomorrow.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 4 to 5, becoming north up to force 7
later.
A few light rain patches later.
Moderate seas, becoming rough later.

Nan'ao:
Northeast force 6 to 7, becoming north force 8 later.
Rough seas, becoming very rough later.

Shanwei:
East to northeast force 6 to 7, becoming north force 8
later.
Rough seas, becoming very rough later.

South of Hong Kong and Shangchuan Dao:
East to northeast force 6 to 7, becoming north force 7
later.
Rough seas.

Outlook for the following 48 hours 
North to northeasterly winds of force 7 to 8.

Latest reports from south china coastal weather stations
--------------------------------------------------------

Waglan Island       Wind east-northeast force 4 
                    Visibility 25 kilometres 

Shantou             Wind south-southwest force 1 
                    Visibility 28 kilometres 

Huangmaozhou        Wind east-northeast force 4 
                    

Macau               Wind east force 2 
                    Visibility 23 kilometres 

Xisha               Wind east-northeast force 3 
                    Visibility 11 kilometres 



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