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 25 SEPTEMBER
2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

THE UNSETTLED WEATHER IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AT NOON, TROPICAL STORM RAGASA WITH MAXIMUM SUSTAINED WINDS
OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 21.7 DEGREES NORTH, 108.3 DEGREES EAST. IT IS FORECAST
TO MOVE WEST AT ABOUT 22 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 11.2 DEGREES NORTH, 128.5 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, BECOMING NORTHEAST FORCE 6 LATER.
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.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING 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 10 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 2 
                   VISIBILITY 26 KILOMETRES IN RAIN

MACAU              WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 25 KILOMETRES

XISHA              WIND SOUTH FORCE 2 
                   VISIBILITY 15 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:34 HKT ON 25.09.2025