SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.M. ON 21 DECEMBER
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

DISPATCHED BY HONG KONG OBSERVATORY AT 09:46 HKT ON 21.12.2025