SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 P.M. ON 5 OCTOBER 2025

WARNINGS:

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

WEATHER SITUATION:

AT NOON, TYPHOON MATMO WITH MAXIMUM SUSTAINED WINDS OF
ABOUT 145 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 20.5 DEGREES NORTH, 110.9 DEGREES EAST. IT IS FORECAST
TO MOVE WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER HOUR
TOWARDS LEIZHOU PENINSULA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

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

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

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

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 8 TO 9, UP TO FORCE 12 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS, PHENOMENAL AT FIRST.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHEASTERLY WINDS OF FORCE 5 TO 6. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 5 
                   VISIBILITY 21 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 24 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 3 
                   VISIBILITY 9 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:36 HKT ON 05.10.2025