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 AUGUST 2025

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AT 4 P.M.,  THE TROPICAL DEPRESSION OVER THE EAST CHINA SEA
WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER
HOUR NEAR ITS CENTRE WAS LOCATED AT 30.8 DEGREES NORTH,
128.2 DEGREES EAST. IT IS FORECAST TO MOVE NORTH-NORTHEAST
AT ABOUT 15 KILOMETRES PER HOUR TOWARDS THE SEAS WEST OF
KYUSHU OF JAPAN.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 4.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

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

SHANWEI AND SOUTH OF HONG KONG:
SOUTH FORCE 4.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
SOUTH FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4, OCCASIONALLY FORCE
5, BECOMING EAST TO NORTHEASTERLY WINDS OF UP TO FORCE 5
LATER. ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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

WAGLAN ISLAND      WIND SOUTHEAST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND SOUTH-SOUTHEAST FORCE 3

MACAU              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 2 
                   VISIBILITY 20 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:30 HKT ON 20.08.2025