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 8:05 A.M. ON 28 AUGUST 2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. MEANWHILE, UPPER-AIR DISTURBANCES ARE BRINGING
THUNDERY SHOWERS TO THE NORTHERN PART OF THE SOUTH CHINA
SEA AND THE COAST OF GUANGDONG. BESIDES, A BROAD AREA OF
LOW PRESSURE IS BRINGING UNSETTLED WEATHER TO THE CENTRAL
AND NORTHERN PARTS OF THE SOUTH CHINA SEA. IT IS EXPECTED
TO DEVELOP INTO A TROPICAL CYCLONE.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
UP TO FORCE 6.
OCCASIONAL SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

NAN'AO, SHANWEI AND SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4 TO 5, BECOMING UP TO FORCE 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6. OCCASIONAL
HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH-NORTHEAST FORCE 5 
                   VISIBILITY 37 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 5

MACAU              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY OVER 70 KILOMETRES

XISHA              WIND NORTH FORCE 2 
                   VISIBILITY 25 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 08:06 HKT ON 28.08.2025