PRESS WEATHER NO. 036 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 21 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. A REPLENISHMENT OF THE NORTHEAST MONSOON IS
EXPECTED TO REACH THE COASTAL WATERS OF GUANGDONG THIS
MORNING.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHEAST FORCE 4 TO 5, UP TO FORCE 7 LATER.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTHEAST FORCE 6 TO 7, BECOMING UP TO FORCE 8.
ROUGH SEAS, BECOMING VERY ROUGH.

SHANWEI AND SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 5 TO 6, BECOMING UP TO FORCE 7.
MODERATE TO ROUGH SEAS.

SHANGCHUAN DAO:
EAST TO 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 EAST-NORTHEAST FORCE 3

SHANTOU            WIND SOUTHWEST FORCE 1 
                   VISIBILITY 8 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 4

MACAU              WIND NORTHEAST FORCE 1 
                   VISIBILITY 22 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 12 KILOMETRES

WEATHER BULLETIN FOR HONG KONG WATERS

AT 5 A.M. HONG KONG TIME:

KAI TAK:
WIND SOUTHEAST FORCE 1.
 
STAR FERRY KOWLOON:
WIND CALM.
 
GREEN ISLAND:
WIND NORTH-NORTHEAST FORCE 2.
 
CHEUNG CHAU:
WIND NORTH-NORTHEAST FORCE 3.
 
SEA WAVES NEAR WAGLAN ISLAND WILL BE ABOUT 0.5 METRE TO 1.0
METRE DURING THE NEXT 12 HOURS.
 
SWELL OF UP TO 1 METRE CAN BE EXPECTED DUE TO THE NORTHEAST
MONSOON.
 
THE SEA TEMPERATURE IN VICTORIA HARBOUR IS 21 DEGREES
CELSIUS.
 
THE NEXT HIGH TIDE IN VICTORIA HARBOUR WILL BE 1.5 METRES
AT 11:51 A.M. TODAY AND THE NEXT LOW TIDE WILL BE 1.4
METRES AT 2:14 P.M. TODAY.

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 21.12.2025