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 7:45 P.M. ON 25 SEPTEMBER
2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG.

AT 8 P.M., SEVERE TROPICAL STORM BUALOI WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 110 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 11.4 DEGREES NORTH, 127.1 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 30
KILOMETRES PER HOUR TOWARDS THE CENTRAL PART OF THE
PHILIPPINES.
 
MEANWHILE, TROPICAL DEPRESSION RAGASA WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 22.0 DEGREES NORTH, 106.6 DEGREES
EAST, IT IS FORECAST TO MOVE WEST AT ABOUT 22 KILOMETRES
PER HOUR ACROSS THE NORTHERN PART OF VIETNAM AND DISSIPATE
GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 5 TO 6, UP TO FORCE 7 AT FIRST.
A FEW SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

NAN'AO AND SHANWEI:
EAST TO NORTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 5 TO 6, BECOMING NORTHEAST UP TO
FORCE 6 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 6 TO 7. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 5 
                   VISIBILITY 24 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST FORCE 3 
                   VISIBILITY 40 KILOMETRES

XISHA              WIND EAST FORCE 2 
                   VISIBILITY 19 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 19:49 HKT ON 25.09.2025