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 31 AUGUST 2025

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4, OCCASIONALLY FORCE 5.
A FEW SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO, SHANWEI AND SOUTH OF HONG KONG:
EAST TO SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 4 TO 5. ISOLATED
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

--------------------------------------------------------

WAGLAN ISLAND      WIND EAST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-SOUTHEAST FORCE 4

MACAU              WIND EAST FORCE 2 
                   VISIBILITY OVER 70 KILOMETRES

XISHA              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 18 KILOMETRES

WEATHER BULLETIN FOR HONG KONG WATERS

AT 5 A.M. HONG KONG TIME:

KAI TAK:
WIND EAST FORCE 2.
 
STAR FERRY KOWLOON:
WIND EAST FORCE 2.
 
GREEN ISLAND:
WIND EAST-NORTHEAST FORCE 4.
 
CHEUNG CHAU:
WIND EAST FORCE 3.
 
SEA WAVES NEAR WAGLAN ISLAND WILL BE ABOUT 0.5 METRE TO 1.5
METRES DURING THE NEXT 12 HOURS.
 
SWELL OF UP TO 0.5 METRE CAN BE EXPECTED.
 
THE SEA TEMPERATURE IN VICTORIA HARBOUR IS 28 DEGREES
CELSIUS.
 
THE NEXT HIGH TIDE IN VICTORIA HARBOUR WILL BE 2.1 METRES
AT 2:32 A.M. TOMORROW AND THE NEXT LOW TIDE WILL BE 1.1
METRES AT 9:08 A.M. TODAY.

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 31.08.2025