SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 P.M. ON 17 AUGUST 2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AT NOON, THE TROPICAL DEPRESSION OVER THE CENTRAL AND
NORTHERN PARTS OF THE SOUTH CHINA SEA WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 17.4 DEGREES NORTH, 111.0 DEGREES
EAST. IT IS FORECAST TO MOVE NORTHWEST AT ABOUT 15
KILOMETRES PER HOUR IN THE GENERAL DIRECTION OF THE
VICINITY OF HAINAN ISLAND.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY WINDS OF FORCE 4 TO 5, SOUTHEASTERLY WINDS OF UP
TO FORCE 6 AT FIRST. FREQUENT HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 7 
                   VISIBILITY 5000 METRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 8

MACAU              WIND NORTH-NORTHEAST FORCE 2 
                   VISIBILITY OVER 70 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 2 
                   VISIBILITY 21 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 17.08.2025