SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.M. ON 4 JULY 2025

WARNINGS:

STORM FORCE WINDS IN NAN'AO AND SHANWEI.

WEATHER SITUATION:

THE AREA OF LOW PRESSURE OVER THE NORTHEASTERN PART OF THE
SOUTH CHINA SEA HAS INTENSIFIED INTO A TROPICAL DEPRESSION.

AT 10 A.M., THE TROPICAL DEPRESSION WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 45 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.5 DEGREES NORTH, 118.7 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST SLOWLY, LINGER OVER THE
NORTHEASTERN PART OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
EAST TO NORTHEAST FORCE 4 TO 5, BECOMING UP TO FORCE 10.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING HIGH.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
WEST TO NORTHWEST UP TO FORCE 5 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHEASTERLY WINDS OF FORCE 4 TO 5, BECOMING CYCLONIC
WINDS OF UP TO FORCE 12 IN EAST. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHEAST FORCE 4 
                   VISIBILITY 43 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 26 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 3

MACAU              WIND NORTH FORCE 2 
                   VISIBILITY 40 KILOMETRES

XISHA              WIND WEST FORCE 2 
                   VISIBILITY 23 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:49 HKT ON 04.07.2025