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 6 OCTOBER 2025

WARNINGS:

STRONG WINDS IN HONG KONG ADJACENT WATERS.

WEATHER SITUATION:

AT 10 A.M., TROPICAL STORM MATMO WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 75 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 22.1 DEGREES NORTH, 107.2 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 15 KILOMETRES PER
HOUR ACROSS INLAND AREAS OF GUANGXI TO NORTHERN PART OF
VIETNAM AND DISSIPATE GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 4 TO 5, UP TO FORCE 6 AT FIRST.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTHEAST UP TO FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG:
EAST TO SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 4 TO 5, BECOMING UP TO
FORCE 6 IN EAST. ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-NORTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 25 KILOMETRES IN RAIN

XISHA              WIND SOUTH FORCE 2 
                   VISIBILITY 14 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:46 HKT ON 06.10.2025