SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT MIDNIGHT ON 8 SEPTEMBER 2025

WARNINGS:

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

WEATHER SITUATION:

AT MIDNIGHT, SEVERE TROPICAL STORM TAPAH WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 105 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 20.2 DEGREES NORTH, 113.3 DEGREES
EAST. IT IS FORECAST TO MOVE NORTHWEST OR NORTH-NORTHWEST
AT ABOUT 18 KILOMETRES PER HOUR EDGING CLOSER TO THE
WESTERN COAST OF GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 8 TO 9, BECOMING SOUTH FORCE 9.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7 AT
FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

SOUTH OF HONG KONG:
CYCLONIC FORCE 9 TO 10, BECOMING SOUTH FORCE 11.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS, BECOMING VERY HIGH.

SHANGCHUAN DAO:
NORTH TO NORTHEAST FORCE 9 TO 10, BECOMING CYCLONIC FORCE
12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS, BECOMING PHENOMENAL.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY WINDS OF FORCE 4 TO 5, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 6 
                   VISIBILITY 24 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND EAST FORCE 9

MACAU              WIND EAST-NORTHEAST FORCE 4 
                   VISIBILITY OVER 75 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 4 
                   VISIBILITY 12 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 00:00 HKT ON 08.09.2025