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 10 P.M. ON 5 OCTOBER 2025

WARNINGS:

STORM FORCE WINDS IN SHANGCHUAN DAO. GALE FORCE WINDS IN
SOUTH OF HONG KONG. STRONG WINDS IN HONG KONG ADJACENT
WATERS AND SHANWEI.

WEATHER SITUATION:

AT 10 P.M., TYPHOON MATMO WITH MAXIMUM SUSTAINED WINDS OF
ABOUT 120 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 21.4 DEGREES NORTH, 109.2 DEGREES EAST. IT IS FORECAST
TO MOVE WEST-NORTHWEST AT ABOUT 18 KILOMETRES PER HOUR
ACROSS THE VICINITY OF THE COAST OF GUANGXI.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

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

NAN'AO:
SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

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

SOUTH OF HONG KONG:
SOUTHEAST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 8 TO 9, UP TO FORCE 10 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHEASTERLY WINDS OF FORCE 4 TO 5, BECOMING NORTHEASTERLY
WINDS OF UP TO FORCE 6 LATER. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-SOUTHEAST FORCE 4 
                   VISIBILITY 23 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 29 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 3 
                   VISIBILITY 11 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 22:04 HKT ON 05.10.2025