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 19 AUGUST 2025

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AT 4 P.M., THE TROPICAL DEPRESSION OVER THE SOUTHERN PART
OF GUANGXI WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 22.8
DEGREES NORTH, 107.2 DEGREES EAST. IT IS FORECAST TO MOVE
NORTH AT ABOUT 18 KILOMETRES PER HOUR INTO INLAND AREAS AND
DISSIPATE GRADUALLY.
 
MEANWHILE, THE TROPICAL DEPRESSION OVER THE VICINITY OF THE
RYUKYU ISLANDS WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 27.2
DEGREES NORTH, 127.4 DEGREES EAST. IT IS FORECAST TO MOVE
NORTH AT ABOUT 15 KILOMETRES PER HOUR ACROSS THE EAST CHINA
SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 4, OCCASIONALLY FORCE 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
SOUTH TO SOUTHWEST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANWEI AND SOUTH OF HONG KONG:
SOUTH FORCE 4, OCCASIONALLY FORCE 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
SOUTH FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY WINDS OF FORCE 4 TO 5. ISOLATED SHOWERS AND
SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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

WAGLAN ISLAND      WIND SOUTH FORCE 2 
                   VISIBILITY 49 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND SOUTH-SOUTHEAST FORCE 3

MACAU              WIND SOUTH FORCE 2

XISHA              WIND SOUTH-SOUTHWEST FORCE 3 
                   VISIBILITY 16 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:32 HKT ON 19.08.2025