PRESS WEATHER NO. 186 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 5 SEPTEMBER
2025

WARNINGS:

STRONG WINDS IN NAN'AO, SHANWEI AND SOUTH OF HONG KONG.

WEATHER SITUATION:

AT 11 P.M., TROPICAL DEPRESSION OVER THE CENTRAL AND
NORTHERN PARTS OF THE SOUTH CHINA SEA WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 17.6 DEGREES NORTH, 118.3 DEGREES
EAST. IT IS FORECAST TO MOVE WEST OR WEST-NORTHWEST AT
ABOUT 10 KILOMETRES PER HOUR, INTENSIFYING PROGRESSIVELY
AND EDGING CLOSER TO THE COAST OF GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 4, BECOMING EAST TO NORTHEAST UP TO
FORCE 5 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
EAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING NORTHEAST UP
TO FORCE 6 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

SOUTH OF HONG KONG:
EAST TO SOUTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTHEAST UP TO FORCE 6 LATER.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTHEAST UP TO FORCE 5 LATER.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING
CYCLONIC WINDS UP TO FORCE 10 LATER. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-SOUTHEAST FORCE 4

MACAU              WIND SOUTH FORCE 1

XISHA              WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 23:30 HKT ON 05.09.2025