PRESS WEATHER NO. 054 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 8 A.M. ON 6 OCTOBER 2025

WARNINGS:

STRONG WINDS IN HONG KONG ADJACENT WATERS AND SHANGCHUAN
DAO.

WEATHER SITUATION:

SEVERE TROPICAL STORM MATMO HAS WEAKENED INTO A TROPICAL
STORM.
 
AT 8 A.M., MATMO WITH MAXIMUM SUSTAINED WINDS OF ABOUT 75
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 21.9
DEGREES NORTH, 107.4 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 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

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

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4 TO 5, UP TO FORCE 6 AT FIRST.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

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 38 KILOMETRES

SHANTOU            WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES IN DRIZZLE

XISHA              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 14 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 08:00 HKT ON 06.10.2025