SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 6:55 P.M. ON 6 OCTOBER 2025

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG.

TROPICAL STORM MATMO HAS WEAKENED INTO A TROPICAL
DEPRESSION.
 
AT 7 P.M., MATMO WITH MAXIMUM SUSTAINED WINDS OF ABOUT 55
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 22.5
DEGREES NORTH, 106.2 DEGREES EAST. IT IS FORECAST TO MOVE
WEST-NORTHWEST AT ABOUT 15 KILOMETRES PER HOUR ACROSS THE
INLAND AREAS OF THE 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, BECOMING NORTHEAST UP TO
FORCE 5 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
EAST TO NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4 TO 5, BECOMING NORTHEAST UP TO
FORCE 5 LATER.
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 SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST FORCE 2

XISHA              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 17 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 18:55 HKT ON 06.10.2025