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 2 OCTOBER 2025

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG.

TROPICAL DEPRESSION MATMO HAS INTENSIFIED INTO A TROPICAL
STORM.
 
AT 10 A.M., MATMO WITH MAXIMUM SUSTAINED WINDS OF ABOUT 65
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 14.9
DEGREES NORTH, 127.0 DEGREES EAST. IT IS FORECAST TO MOVE
WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER HOUR CLOSER TO
THE VICINITY OF LUZON AND CONTINUE TO INTENSIFY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4.
ISOLATED SHOWERS.
MODERATE SEAS.

NAN'AO, SHANWEI AND SOUTH OF HONG KONG:
EAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
EAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 4, OCCASIONALLY FORCE
5, BECOMING CYCLONIC WINDS UP TO FORCE 12 LATER. FREQUENT
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 1 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTHWEST FORCE 1 
                   VISIBILITY 13 KILOMETRES

MACAU              WIND EAST FORCE 1

XISHA              WIND NORTHEAST FORCE 2 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:46 HKT ON 02.10.2025