SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:30 P.M. ON 20 DECEMBER
2025

WARNINGS:

GALE FORCE WINDS IN NAN'AO. STRONG WINDS IN HONG KONG
ADJACENT WATERS, SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN
DAO.

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. BESIDES, PRESSURE IS RISING OVER CENTRAL CHINA. A
REPLENISHMENT OF THE NORTHEAST MONSOON IS EXPECTED TO REACH
THE COASTAL WATERS OF GUANGDONG TOMORROW MORNING.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHEAST FORCE 4 TO 5, UP TO FORCE 6 LATER.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTHEAST FORCE 5 TO 6, UP TO FORCE 8 LATER.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH LATER.

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
NORTHEAST FORCE 5 TO 6, UP TO FORCE 7 LATER.
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 2

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-NORTHEAST FORCE 3

MACAU              WIND NORTH-NORTHEAST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 12 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:34 HKT ON 20.12.2025