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 27 AUGUST 2025

WARNINGS:

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

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. MEANWHILE, UPPER-AIR DISTURBANCES ARE BRINGING
HEAVY SHOWERS AND THUNDERSTORMS TO THE NORTHEASTERN PART OF
THE SOUTH CHINA SEA, AND IS EXPECTED TO AFFECT THE COASTAL
WATER OF GUANGDONG TOMORROW. BESIDES, A BROAD AREA OF LOW
PRESSURE IS BRINGING UNSETTLED WEATHER TO THE WEST OF LUZON.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4, UP TO FORCE 5 LATER.
SCATTERED HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
EAST TO NORTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANWEI AND SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5, BECOMING UP TO FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

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 NORTHEAST FORCE 3 
                   VISIBILITY 48 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 4

MACAU              WIND NORTHEAST FORCE 1 
                   VISIBILITY OVER 70 KILOMETRES

XISHA              WIND NORTH-NORTHWEST FORCE 2 
                   VISIBILITY 20 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:31 HKT ON 27.08.2025