SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 P.M. ON 30 AUGUST 2025

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

TROPICAL STORM NONGFA HAS WEAKENED INTO A TROPICAL
DEPRESSION.
 
AT 10 P.M., NONGFA WITH MAXIMUM SUSTAINED WINDS OF ABOUT 55
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 17.8
DEGREES NORTH, 104.5 DEGREES EAST. IT IS FORECAST TO MOVE
WEST AT ABOUT 28 KILOMETRES PER HOUR INTO THE INLAND AREAS
OF INDO-CHINA AND DISSIPATE GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG AND 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. SCATTERED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 5

MACAU              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY OVER 65 KILOMETRES

XISHA              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 23 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 21:45 HKT ON 30.08.2025