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 25 SEPTEMBER
2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AT 10 A.M., TROPICAL STORM RAGASA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 21.5 DEGREES NORTH, 108.7 DEGREES EAST. IT IS
FORECAST TO MOVE WEST AT ABOUT 18 KILOMETRES PER HOUR
CROSSING THE COAST OF GUANGXI TOWARDS THE NORTHERN PART OF
VIETNAM AND WEAKEN GRADUALLY.
 
MEANWHILE, SEVERE TROPICAL STORM BUALOI WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 110 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 11.1 DEGREES NORTH, 128.9 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 25
KILOMETRES PER HOUR TOWARDS THE CENTRAL PART OF THE
PHILIPPINES.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 5 TO 6, UP TO FORCE 7 AT FIRST.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

SOUTH OF HONG KONG:
SOUTHEAST FORCE 5 TO 6.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANGCHUAN DAO:
SOUTHEAST FORCE 5 TO 6, SOUTH TO SOUTHEAST UP TO FORCE 7 AT
FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING
NORTHEASTERLY WINDS UP TO FORCE 7 LATER. OCCASIONAL HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-SOUTHEAST FORCE 6 
                   VISIBILITY 22 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 3700 METRES IN RAIN

MACAU              WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 14 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 4 
                   VISIBILITY 8 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:53 HKT ON 25.09.2025